[30446] | 1 |
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| 2 | function MusicStand(httpdoc,cgiargc,docoid,thisOID,cgiNumPages,cgiGotoPage,
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| 3 | cgiPageWidth,cgiPageHeight,cgiScaleFactor)
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| 4 | {
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| 5 |
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| 6 | var httpdocument = httpdoc;
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| 7 | var collect = cgiargc;
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| 8 | var site = gs.xsltParams.site_name;
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| 9 |
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| 10 | var docid = docoid;
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| 11 | var _cutpos = docid.indexOf(".");
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| 12 | var docRoot = (_cutpos>0) ? docid.substr(0,_cutpos) : docid;
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| 13 |
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| 14 | var assocDir = thisOID;
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| 15 |
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| 16 | var totalPageCount = cgiNumPages;
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| 17 | var speedBreak = 500;
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| 18 | var pageXDim = cgiPageWidth;
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| 19 | var pageYDim = cgiPageHeight;
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| 20 | var scaleFactor = cgiScaleFactor;
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| 21 |
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| 22 | var topVal = 0;
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| 23 | var rightVal = pageXDim;
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| 24 | var bottomVal = 0;
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| 25 | var leftVal = 0;
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| 26 |
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| 27 | var pageNum = cgiGotoPage;
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| 28 |
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| 29 | var pageAnimTimer;
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| 30 |
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| 31 | var cgiPrefix;
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| 32 | var cgiSuffix;
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| 33 |
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| 34 | var postitBgCol = "rgba(255,200,200,0.7)";
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| 35 | var postitSelCol = "rgba(128,0,0,0.7)";
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| 36 |
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| 37 | var username = null;
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| 38 |
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| 39 | imageserverURL = function()
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| 40 | {
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| 41 | //return gsapi.apiURL("image-server.pl");
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| 42 | return "cgi-bin/image-server.pl";
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| 43 | }
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| 44 |
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| 45 | this.setStyleColors = function(bg,sel)
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| 46 | {
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| 47 | postitBgCol = bg;
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| 48 | postitSelCol = sel;
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| 49 | }
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| 50 |
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| 51 |
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| 52 | this.setUsername = function(cgiUsername)
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| 53 | {
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| 54 | username = cgiUsername;
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| 55 | }
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| 56 |
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| 57 | this.getUsername = function()
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| 58 | {
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| 59 | return username;
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| 60 | }
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| 61 |
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| 62 | this.getScaleFactor = function()
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| 63 | {
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| 64 | return scaleFactor;
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| 65 | }
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| 66 |
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| 67 | this.getPageNum = function()
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| 68 | {
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| 69 | return pageNum;
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| 70 | }
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| 71 |
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| 72 | this.getDocRoot = function()
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| 73 | {
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| 74 | return docRoot;
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| 75 | }
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| 76 |
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| 77 | this.getDocOID = function()
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| 78 | {
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| 79 | return docid;
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| 80 | }
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| 81 |
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| 82 | this.getSpeedBreak = function()
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| 83 | {
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| 84 | return speedBreak;
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| 85 | }
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| 86 |
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| 87 | this.setSpeedBreak = function(newSpeedBreak)
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| 88 | {
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| 89 | speedBreak = newSpeedBreak;
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| 90 | }
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| 91 |
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| 92 |
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| 93 | this.setPagePrefix = function(p)
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| 94 | {
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| 95 | cgiPrefix = p;
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| 96 | }
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| 97 |
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| 98 | this.setPageSuffix = function(s)
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| 99 | {
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| 100 | cgiSuffix = s;
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| 101 | }
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| 102 |
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| 103 |
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| 104 | this.docwritePrevPageNum = function()
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| 105 | {
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| 106 | document.write(pageNum-1);
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| 107 | }
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| 108 |
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| 109 | this.activatePrevPageNum = function()
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| 110 | {
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| 111 | if (pageNum>1) {
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| 112 | displayInline('prevpagespan');
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| 113 | }
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| 114 | else {
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| 115 | displayNone('prevpagespan');
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| 116 | }
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| 117 | }
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| 118 |
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| 119 |
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| 120 | this.docwriteOptOfPages = function()
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| 121 | {
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| 122 | if (totalPageCount>1) {
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| 123 | document.write(' of ' + totalPageCount + ' pages');
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| 124 | }
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| 125 | }
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| 126 |
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| 127 | this.docwriteNextPageNum = function()
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| 128 | {
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| 129 | document.write(pageNum+1);
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| 130 | }
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| 131 |
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| 132 | this.activateNextPageNum = function()
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| 133 | {
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| 134 | if (pageNum < totalPageCount) {
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| 135 | displayInline('nextpagespan');
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| 136 | }
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| 137 | else {
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| 138 | displayNone('nextpagespan');
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| 139 | }
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| 140 | }
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| 141 |
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| 142 | delayedShowStatus = function(mess)
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| 143 | {
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| 144 | window.status = mess;
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| 145 | }
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| 146 |
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| 147 | this.showStatus = function(mess)
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| 148 | {
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| 149 | window.status = mess;
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| 150 |
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| 151 | // NS6 series of browsers set URL after doing event
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| 152 | // => have a delayed version that sets the status bar
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| 153 | setTimeout("delayedShowStatus('"+mess+"')",10);
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| 154 |
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| 155 | return true;
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| 156 | }
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| 157 |
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| 158 |
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| 159 | pageAnimPrivate = function(direction,pagePrefix,pageSuffix)
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| 160 | {
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| 161 | var imagediv = (direction>0) ? 'nextpagediv' : 'prevpagediv';
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| 162 | var imagelayer = document.getElementById(imagediv)
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| 163 | var bleedlayer = document.getElementById('animedgebleed')
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| 164 |
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| 165 | var deltaY;
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| 166 | var deltaTime;
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| 167 |
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| 168 | if (bottomVal<speedBreak) {
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| 169 | deltaY = 2;
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| 170 | deltaTime = 10;
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| 171 | }
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| 172 | else {
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| 173 | deltaY = 1;
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| 174 | deltaTime = 30;
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| 175 | }
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| 176 |
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| 177 | if(bottomVal < pageYDim) {
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| 178 | bottomVal += deltaY;
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| 179 | imagelayer.style.clip="rect("+topVal+"px "+rightVal+"px "+bottomVal+"px "+leftVal+"px)"
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| 180 | bleedlayer.style.clip="rect("+topVal+"px "+rightVal+"px "+(bottomVal+2)+"px "+leftVal+"px)"
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| 181 | var callPageAnim = "pageAnimPrivate("+direction+",'"+pagePrefix+"','"+pageSuffix+"')";
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| 182 | pageAnimTimer = setTimeout(callPageAnim,deltaTime)
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| 183 | }
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| 184 | else {
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| 185 |
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| 186 | // finished => update the image that is the current page
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| 187 | var thisimg = document.getElementById('thispageimg')
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| 188 | var nextimg = document.getElementById('nextpageimg')
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| 189 | var previmg = document.getElementById('prevpageimg')
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| 190 |
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| 191 | if (direction>0) {
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| 192 | if (pageNum<totalPageCount) {
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| 193 | pageNum++;
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| 194 | previmg.src = thisimg.src;
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| 195 | thisimg.src = nextimg.src;
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| 196 |
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| 197 | resetValues(); // reset clip rectangles
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| 198 |
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| 199 | var nextSrc = httpnextanimPrivate(pagePrefix,pageSuffix,pageNum+1);
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| 200 | nextimg.src = nextSrc;
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| 201 |
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| 202 | var nextspan = document.getElementById('nextpagespan');
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| 203 |
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| 204 | // update page numbers displayed for next and prev
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| 205 | var nextval = document.getElementById('nextpageval');
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| 206 | if (pageNum<totalPageCount) {
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| 207 | nextval.innerHTML = (pageNum+1);
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| 208 | displayInline('nextpagespan');
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| 209 | }
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| 210 | else {
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| 211 | nextval.innerHTML = "";
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| 212 | displayNone('nextpagespan');
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| 213 | }
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| 214 |
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| 215 | var prevval = document.getElementById('prevpageval');
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| 216 | prevval.innerHTML = (pageNum-1);
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| 217 |
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| 218 | displayInline('prevpagespan');
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| 219 | }
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| 220 | }
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| 221 | else {
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| 222 | // previous page
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| 223 | if (pageNum>0) {
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| 224 | pageNum--;
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| 225 | nextimg.src = thisimg.src;
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| 226 | thisimg.src = previmg.src;
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| 227 |
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| 228 | resetValues(); // reset clip rectangles
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| 229 |
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| 230 | var prevSrc = httpnextanimPrivate(pagePrefix,pageSuffix,pageNum-1);
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| 231 | previmg.src = prevSrc;
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| 232 |
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| 233 | // update page numbers displayed for next and prev
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| 234 | var nextval = document.getElementById('nextpageval');
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| 235 | nextval.innerHTML = (pageNum+1);
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| 236 |
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| 237 | displayInline('nextpagespan');
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| 238 | //var nextspan = document.getElementById('nextpagespan');
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| 239 | //nextspan.style.display = "block";
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| 240 |
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| 241 | var prevspan = document.getElementById('prevpagespan');
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| 242 |
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| 243 | var prevval = document.getElementById('prevpageval');
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| 244 | if (pageNum>1) {
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| 245 | prevval.innerHTML = (pageNum-1);
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| 246 | displayInline('prevpagespan');
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| 247 | }
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| 248 | else {
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| 249 | prevval.innerHTML = "";
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| 250 | displayNone('prevpagespan');
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| 251 | }
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| 252 | }
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| 253 | }
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| 254 |
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| 255 | // update docid member variable (pageNum reflect new page value)
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| 256 | docid = docRoot + "." + pageNum;
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| 257 |
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| 258 | /*
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| 259 | // remove any existing annotations
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| 260 | annotate.clearAnnotations();
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| 261 |
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| 262 | //var annotateCanvasElem = document.getElementById("annotateCanvas");
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| 263 | //annotateCanvasElem.style.display = "none";
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| 264 |
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| 265 | // load in new ones for this page
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| 266 | annotate.loadAnnotations(docid);
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| 267 |
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| 268 | //annotateCanvasElem.style.display = "block";
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| 269 | */
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| 270 |
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| 271 | // update slide position (pageNum already changed)
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| 272 |
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| 273 |
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| 274 | var username = musicStand.getUsername();
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| 275 | var metaval;
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| 276 |
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| 277 | if (username != null) {
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| 278 | // try of user specific one, if it exists
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| 279 | var metaname = username + "-sliderposTop";
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| 280 | metaval = gsapi.getLiveMetadata(docid,metaname);
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| 281 | if (metaval == "") {
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| 282 | // fallback to looking up non-user specific one
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| 283 | metaval = gsapi.getLiveMetadata(docid,"sliderposTop");
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| 284 | }
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| 285 | }
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| 286 | else {
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| 287 | //metaval = gsapi.getLiveMetadata(docid,"sliderposTop");
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| 288 | metaval = 700; // ******** hack
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| 289 | }
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| 290 | var sliderposTop = parseInt(metaval);
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| 291 |
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| 292 | updateSlider(sliderposTop);
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| 293 |
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| 294 | }
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| 295 | }
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| 296 |
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| 297 | cancelPageAnimPrivate = function() {
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| 298 | clearTimeout(pageAnimTimer);
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| 299 | resetValues();
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| 300 | }
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| 301 |
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| 302 | this.cancelPageAnim = function() {
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| 303 | cancelPageAnimPrivate();
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| 304 | }
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| 305 |
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| 306 | this.pageAnim = function(direction,pagePrefix,pageSuffix)
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| 307 | {
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| 308 | pageAnimPrivate(direction,pagePrefix,pageSuffix);
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| 309 | }
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| 310 |
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| 311 | httpnextanimPrivate = function(pagePrefix,pageSuffix,nextPageNum)
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| 312 | {
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| 313 | var imgserver = imageserverURL();
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| 314 |
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| 315 | var screenWidth = screen.width;
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| 316 | var screenHeight = screen.height;
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| 317 |
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| 318 | nextPageNum--; // filenames use values one less that pageNum
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| 319 |
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| 320 | var url = imgserver + "?a=fit-screen"
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| 321 | url += "&c="+collect;
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| 322 | url += "&site="+site;
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| 323 | url += "&pageWidth="+pageXDim;
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| 324 | url += "&pageHeight="+pageYDim;
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| 325 | url += "&assocDir=" + assocDir;
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| 326 | url += "&assocFile=" + pagePrefix;
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| 327 |
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| 328 |
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| 329 | if (totalPageCount>1) {
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| 330 | url += "-" + nextPageNum;
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| 331 | }
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| 332 | url += pageSuffix;
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| 333 |
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| 334 | if (orientation == "landscape") {
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| 335 | url += "&orientation=landscape";
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| 336 | }
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| 337 |
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| 338 | return url;
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| 339 | }
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| 340 |
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| 341 | this.httpnextanim = function(pagePrefix,pageSuffix,nextPageNum)
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| 342 | {
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| 343 | return httpnextanimPrivate(pagePrefix,pageSuffix,nextPageNum);
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| 344 | }
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| 345 |
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| 346 | nextPageAnimPrivate = function(pagePrefix,pageSuffix)
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| 347 | {
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| 348 | // set up next page
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| 349 |
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| 350 | if (pageNum<totalPageCount) {
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| 351 | //saveAnnotations();
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| 352 | pageAnimPrivate(1,pagePrefix,pageSuffix);
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| 353 | }
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| 354 | }
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| 355 |
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| 356 | this.nextPageAnim = function(pagePrefix,pageSuffix)
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| 357 | {
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| 358 | nextPageAnimPrivate(pagePrefix,pageSuffix);
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| 359 | }
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| 360 |
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| 361 | prevPageAnimPrivate = function(pagePrefix,pageSuffix)
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| 362 | {
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| 363 | // set up next page
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| 364 |
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| 365 | if (pageNum>1) {
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| 366 | //saveAnnotations();
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| 367 | pageAnimPrivate(-1,pagePrefix,pageSuffix);
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| 368 | }
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| 369 | }
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| 370 |
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| 371 | this.prevPageAnim = function(pagePrefix,pageSuffix)
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| 372 | {
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| 373 | prevPageAnimPrivate(pagePrefix,pageSuffix);
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| 374 | }
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| 375 |
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| 376 | this.nextOrPrevPageEventLRMouse = function(evt,pagePrefix,pageSuffix)
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| 377 | {
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| 378 | if (!evt) var evt = window.event;
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| 379 |
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| 380 | var rightclick = false;
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| 381 | if (evt.which) rightclick = (evt.which == 3);
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| 382 | else if (evt.button) rightclick = (evt.button == 2);
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| 383 |
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| 384 | var leftclick = false;
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| 385 | if (evt.which) leftclick = (evt.which == 1);
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| 386 | else if (evt.button) leftclick = (evt.button == 1);
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| 387 |
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| 388 | if (rightclick) {
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| 389 | this.nextPageAnim(pagePrefix,pageSuffix);
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| 390 | }
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| 391 | else if (leftclick) {
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| 392 | this.prevPageAnim(pagePrefix,pageSuffix);
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| 393 | }
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| 394 |
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| 395 |
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| 396 | return false;
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| 397 | }
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| 398 |
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| 399 |
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| 400 | var numClicks = 0;
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| 401 | var clicksTimer = null;
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| 402 |
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| 403 | this.nextOrPrevPageEvent = function(evt,pagePrefix,pageSuffix)
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| 404 | //this.pageMenu = function(e)
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| 405 | {
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| 406 | //var pagePrefix = cgiPrefix;
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| 407 | //var pageSuffix = cgiSuffix;
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| 408 |
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| 409 | if (clicksTimer!=null) {
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| 410 | clearTimeout(clicksTimer);
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| 411 | }
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| 412 |
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| 413 | var callPageAction = 'pageAction("'+pagePrefix+'","'+pageSuffix+'")';
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| 414 | clicksTimer = setTimeout(callPageAction,1000);
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| 415 |
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| 416 | numClicks = (numClicks % 3) + 1;
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| 417 |
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| 418 | var menu = document.getElementById("pagemenu");
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| 419 | menu.style.visibility = "visible";
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| 420 |
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| 421 | for (var i=1; i<=3; i++) {
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| 422 | var menuItem = document.getElementById("pagemenu"+i);
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| 423 | if (i==numClicks) {
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| 424 | menuItem.style.backgroundColor = postitSelCol;
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| 425 | }
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| 426 | else {
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| 427 | menuItem.style.backgroundColor = postitBgCol;
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| 428 | }
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| 429 | }
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| 430 |
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| 431 | return false;
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| 432 | }
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| 433 |
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| 434 | pageAction = function(pagePrefix,pageSuffix)
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| 435 | {
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| 436 | var menu = document.getElementById("pagemenu");
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| 437 | menu.style.visibility = "hidden";
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| 438 |
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| 439 | var keepState = numClicks;
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| 440 |
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| 441 | clicksTimer = null;
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| 442 | numClicks = 0;
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| 443 |
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| 444 | if (keepState==1) {
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| 445 | cancelPageAnimPrivate();
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| 446 | }
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| 447 | else if (keepState==2) {
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| 448 | nextPageAnimPrivate(pagePrefix,pageSuffix);
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| 449 | }
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| 450 | else if (keepState==3) {
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| 451 | prevPageAnimPrivate(pagePrefix,pageSuffix);
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| 452 | }
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| 453 |
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| 454 | }
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| 455 |
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| 456 | this.hidePageMenu = function(elem,event)
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| 457 | {
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| 458 | elem.style.visibility="hidden";
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| 459 | //de.cursor.setCursorAtXY(mouseX,mouseY);
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| 460 | }
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| 461 |
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| 462 |
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| 463 | resetValues = function()
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| 464 | {
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| 465 | var nextlayer = document.getElementById('nextpagediv')
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| 466 | var prevlayer = document.getElementById('prevpagediv')
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| 467 | var bleedlayer = document.getElementById('animedgebleed')
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| 468 |
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| 469 | topVal=0;
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| 470 | rightVal=pageXDim;
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| 471 | bottomVal=0;
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| 472 | leftVal=0
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| 473 |
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| 474 | var startingClip = "rect("+topVal+"px "+rightVal+"px "+bottomVal+"px "+leftVal+"px)";
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| 475 |
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| 476 | nextlayer.style.clip=startingClip;
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| 477 | prevlayer.style.clip=startingClip;
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| 478 | bleedlayer.style.clip=startingClip;
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| 479 | }
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| 480 | }
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