1 |
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2 | var cgiGotoPage;
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3 | if (gs.cgiParams["gp"]) {
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4 | cgiGotoPage = gs.cgiParams["gp"];
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5 | }
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6 | else {
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7 | cgiGotoPage = 1;
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8 | }
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9 |
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10 |
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11 | var musicStand
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12 | = new MusicStand(httpdocument, gs.cgiParams["c"], gs.cgiParams["d"], gs.documentMetadata["assocfilepath"],
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13 | gs.cgiParams["numPages"], cgiGotoPage,
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14 | gs.cgiParams["pageWidth"], gs.cgiParams["pageHeight"],
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15 | gs.cgiParams["scaleFactor"]);
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16 |
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17 | musicStand.setStyleColors("_postitbgcol_","_postitselcol_");
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18 |
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19 | musicStand.setPagePrefix(gs.cgiParams["pagePrefix"]);
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20 | musicStand.setPageSuffix(gs.cgiParams["pageSuffix"]);
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21 |
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22 |
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23 |
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24 | function getElementsByClass(searchClassPrefix,node,tag) {
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25 |
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26 | var classElements = new Array();
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27 | if ( node == null )
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28 | node = document;
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29 | if ( tag == null )
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30 | tag = '*';
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31 |
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32 | if (node.getElementsByTagName) {
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33 | var els = node.getElementsByTagName(tag);
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34 |
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35 | var elsLen = els.length;
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36 | var pattern = new RegExp('(^|\\s)'+searchClassPrefix);
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37 | for (var i = 0, j = 0; i < elsLen; i++) {
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38 | if ( pattern.test(els[i].className) ) {
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39 | classElements[j] = els[i];
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40 | j++;
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41 | }
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42 | }
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43 | }
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44 | return classElements;
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45 | }
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46 |
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47 |
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48 |
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49 | var dotsTimer = null;
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50 | var dotsDelta = 200;
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51 |
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52 | function dotsAnim(numDots)
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53 | {
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54 | var dots = [ "", ".", "..", "..." ];
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55 |
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56 | var dotSpan = document.getElementById('loadingdots');
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57 | dotSpan.innerHTML = "loading " + dots[numDots];
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58 |
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59 | var nextNumDots = (numDots+1) %4;
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60 | dotsTimer = setTimeout("dotsAnim("+nextNumDots+")",dotsDelta);
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61 | }
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62 |
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63 |
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64 | function bodyLoaded()
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65 | {
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66 | // load page 1
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67 | var thisPageImg = document.getElementById("thispageimg");
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68 |
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69 | var thisPageUrl = musicStand.httpnextanim(gs.cgiParams["pagePrefix"],gs.cgiParams["pageSuffix"],musicStand.getPageNum());
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70 |
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71 | var thisImg = document.createElement('img');
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72 | thisImg.onload = function (evt) {
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73 | //var annotateCanvasElem = document.getElementById("annotateCanvas");
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74 | //annotateCanvasElem.style.display = "none";
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75 |
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76 | //annotate.loadAnnotations(musicStand.getDocOID());
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77 |
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78 | var thisLoading = document.getElementById("loading");
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79 | thisLoading.style.display = "none";
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80 | if (dotsTimer != null) {
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81 | clearTimeout(dotsTimer);
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82 | }
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83 | thisPageImg.src = thisImg.src;
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84 |
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85 | //annotateCanvasElem.style.display = "block";
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86 | }
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87 |
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88 | // alert("url = " + thisPageUrl);
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89 |
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90 | thisImg.src = thisPageUrl;
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91 | // thisPageImg.src = thisPageUrl;
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92 |
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93 | // setup page 2 as next page
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94 | var nextPageImg = document.getElementById("nextpageimg");
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95 | var nextPageUrl = musicStand.httpnextanim(gs.cgiParams["pagePrefix"],gs.cgiParams["pageSuffix"],musicStand.getPageNum()+1);
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96 |
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97 | var nextImg = document.createElement('img');
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98 | //nextImg.onload = function (evt) {
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99 | //nextPageImg.onload = function (evt) {
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100 | //
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101 | //}
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102 | nextPageImg.src = nextPageUrl;
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103 |
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104 | // some browsers clear clip rectangle with new image => set it to what we need
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105 | var nextpagediv = document.getElementById("nextpagediv");
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106 | nextpagediv.style.clip = "rect(0px, "+gs.cgiParams["pageWidth"]+"px, "+gs.cgiParams["pageHeight"]+"px, "+gs.cgiParams["pageWidth"]+"px)";
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107 |
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108 | var prevpagediv = document.getElementById("prevpagediv");
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109 | prevpagediv.style.clip = "rect(0px, "+gs.cgiParams["pageWidth"]+"px, "+gs.cgiParams["pageHeight"]+"px, "+gs.cgiParams["pageWidth"]+"px)";
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110 |
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111 | var animedgebleed = document.getElementById("animedgebleed");
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112 | animedgebleed.style.clip = "rect(0px, "+gs.cgiParams["pageWidth"]+"px, "+gs.cgiParams["pageHeight"]+"px, "+gs.cgiParams["pageWidth"]+"px)";
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113 |
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114 | // no previous page to set up
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115 |
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116 | // start loading dots
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117 | dotsTimer = setTimeout("dotsAnim(0)",dotsDelta);
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118 |
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119 |
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120 | var thispage = document.getElementById("thispage");
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121 |
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122 | ////YAHOO.util.Event.addListener("thispage", 'mouseover', trackMouse);
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123 | //// YAHOO.util.Event.addListener(document, 'mousemove', trackMouse);
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124 |
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125 | //de.events.addMouseMoveHandler(trackMouse);
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126 |
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127 | //// de.events.prependMouseUpHandler(musicStand.pageMenu);
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128 |
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129 | ////YAHOO.util.Event.addListener(document, 'keydown', keyPress);
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130 |
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131 | //de.events.prependKeyPressHandler(keyPress);
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132 | }
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133 |
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134 |
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135 | var sliderMoving = false;
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136 |
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137 | var prevOnMouseMove = null;
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138 | var prevOnMouseUp = null;
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139 |
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140 | function dragSlider(evt)
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141 | {
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142 | evt = evt || window.event;
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143 |
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144 | evt.returnValue = false;
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145 | if (evt.preventDefault) evt.preventDefault();
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146 |
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147 | sliderMoving = true;
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148 | moveSlider(evt);
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149 |
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150 | prevOnMouseMove = document.onmousemove;
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151 | prevOnMouseUp = document.onmouseup;
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152 |
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153 | document.onmousemove = moveSlider;
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154 | document.onmouseup = releaseSlider;
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155 | }
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156 |
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157 |
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158 |
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159 | function moveSlider(evt)
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160 | {
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161 | if (!sliderMoving) return;
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162 |
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163 | evt = evt || window.event;
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164 |
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165 | evt.returnValue = false;
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166 | if (evt.preventDefault) evt.preventDefault();
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167 |
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168 | var mousePos = getMouseCoords(evt);
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169 |
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170 | var sliderContainer = document.getElementById('slidercontainer');
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171 | var sliderContainerYTop = getAbsoluteTop(sliderContainer);
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172 | var sliderContainerHeight = getRectHeight(sliderContainer) -1;
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173 |
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174 | var slider = document.getElementById('sliderpos');
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175 | var sliderHeight = getRectHeight(slider);
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176 |
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177 | var halfSliderHeight = sliderHeight/2;
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178 | var newSliderTop = (mousePos.y - sliderContainerYTop) - halfSliderHeight;
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179 |
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180 | if ((newSliderTop >= 0)
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181 | && (newSliderTop < (sliderContainerHeight-halfSliderHeight))) {
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182 | slider.style.top = newSliderTop + "px";
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183 | var speedBreak = newSliderTop;
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184 | musicStand.setSpeedBreak(speedBreak);
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185 |
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186 | var trackabove = document.getElementById('slidertrackabove');
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187 | trackabove.style.height = speedBreak + "px";
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188 |
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189 | var trackbelow = document.getElementById('slidertrackbelow');
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190 | trackbelow.style.top = speedBreak + "px";
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191 | trackbelow.style.height = (gs.cgiParams["pageHeight"] - speedBreak) + "px";
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192 |
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193 | }
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194 |
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195 | }
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196 |
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197 |
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198 | function releaseSlider(evt)
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199 | {
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200 | if (!sliderMoving) return;
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201 |
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202 | document.onmousemove = prevOnMouseMove;
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203 | document.onmouseup = prevOnMouseUp;
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204 |
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205 | sliderMoving = false;
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206 |
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207 | var slider = document.getElementById('sliderpos');
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208 | var sliderposTop = parseInt(slider.style.top);
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209 |
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210 | if (sliderposTop>0) {
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211 | sliderposTop /= musicStand.getScaleFactor();
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212 | }
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213 |
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214 |
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215 | var docid = musicStand.getDocRoot() + "." + musicStand.getPageNum();
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216 |
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217 | var username = musicStand.getUsername();
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218 | var metaname = (username!=null) ? username + "-sliderposTop" : "sliderposTop";
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219 | //gsapi.setLiveMetadata(docid,metaname,sliderposTop);
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220 | //alert("Need to set slider");
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221 | }
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222 |
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223 |
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224 | function updateSlider(sliderposTop)
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225 | {
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226 | if (sliderposTop>0) {
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227 | sliderposTop *= musicStand.getScaleFactor();
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228 |
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229 | }
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230 | var speedBreak = sliderposTop;
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231 | musicStand.setSpeedBreak(speedBreak);
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232 |
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233 | var sliderpos = document.getElementById('sliderpos');
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234 | sliderpos.style.top = speedBreak + "px";
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235 | sliderpos.style.left = "-8px";
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236 |
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237 | var trackabove = document.getElementById('slidertrackabove');
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238 | trackabove.style.height = speedBreak + "px";
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239 |
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240 | var trackbelow = document.getElementById('slidertrackbelow');
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241 | trackbelow.style.top = speedBreak + "px";
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242 | trackbelow.style.height = (gs.cgiParams["pageHeight"] - speedBreak) + "px";
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243 | }
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244 |
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