1 | //used to stored the current items in basket, including collection name, document id and dodument title
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2 | //in the format of collection:id:[title], it is updated when the page is loaded (reloaded) or the user adds
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3 | // new items in the basket (see ygDDplayer.js). It is used to show the contents of the basket.
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4 |
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5 | // note we only support favourites now, not the old drag and drop berry baskets
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6 | // berry is still used here for legacy reasons
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7 | var berryList = new Array();
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8 | var show = false;
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9 |
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10 |
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11 | var countFavourites = function(callback) {
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12 | var request_type = "GET";
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13 | var url = gs.xsltParams.library_name + "?a=pr&rt=r&ro=1&s=GetNumFavourites&o=XML&hhf="+makeURLComponentSafe("[{\"name\":\"Cache-Control\", \"value\":\"no-cache\"}]")+"&c=";
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14 |
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15 | var responseSuccess = function(o) {
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16 |
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17 | var response = o.responseXML;
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18 | var size = response.getElementsByTagName('size').item(0).getAttribute('value');
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19 |
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20 | var items = response.getElementsByTagName('documentNode');
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21 |
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22 | callback(items.length);
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23 | }
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24 |
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25 | YAHOO.util.Connect.asyncRequest(request_type , url , {success: responseSuccess });
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26 |
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27 | }
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28 |
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29 |
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30 | // display selected favourites (filled-in star icon) on page
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31 | var favouritesCheckout = function(){
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32 |
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33 | if ( document.getElementById('berrybasket') == null ) return;
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34 |
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35 | var request_type = "GET";
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36 | var url = gs.xsltParams.library_name + "?a=pr&rt=r&ro=1&s=GetNumFavourites&o=XML&hhf="+makeURLComponentSafe("[{\"name\":\"Cache-Control\", \"value\":\"no-cache\"}]")+"&c=";
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37 |
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38 | var responseSuccess = function(o){
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39 |
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40 | var response = o.responseXML;
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41 | var size = response.getElementsByTagName('size').item(0).getAttribute('value');
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42 |
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43 | var items = response.getElementsByTagName('documentNode');
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44 |
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45 | berryList = new Array();
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46 | for (var i=0;i < items.length ; i++ ){
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47 |
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48 | var itemID = items[i].getAttribute('collection')+":"+items[i].getAttribute('name');
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49 | var item = YAHOO.util.Dom.get(itemID);
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50 |
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51 | if (item != null){
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52 | item.src = gs.variables.selected_favourite_icon_url;
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53 | item.setAttribute("data-is-favourite","true");
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54 | }
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55 | berryList[berryList.length] = items[i];
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56 | }
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57 |
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58 | // set favourite images visible
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59 | // they are set to be invisible to prevent flickering when first loaded (see berry.css)
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60 |
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61 | var berries = document.getElementsByTagName('img');
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62 |
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63 | for (var j=0; j < berries.length; j++){
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64 | var berry = berries[j];
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65 | var parent = berry.parentNode;
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66 | if (parent !=null && parent.id == "documentberries"){
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67 | var root = YAHOO.util.Dom.get(berry.id+":root");
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68 | var section = YAHOO.util.Dom.get(berry.id+":section");
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69 | if(root!=null && root.id.indexOf(berry.id) !=-1){
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70 | root.style.visibility ="visible" ;
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71 | }
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72 |
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73 | if(section!=null && section.id.indexOf(berry.id) !=-1){
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74 | section.style.visibility ="visible" ;
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75 | }
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76 | }
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77 |
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78 | if (berry.className && berry.className == 'pick'){
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79 | berry.style.visibility = "visible";
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80 | // new ygDDPlayer(berry.id,'basket',berryList); // **** can go
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81 | }
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82 | }
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83 | updateFavouritesCount();
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84 | }
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85 |
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86 | var responseFailure = function(o){
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87 | console.error("Berry Basket GetItems AJAX call failed:" + url);
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88 | }
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89 |
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90 | var callback = {
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91 | success: responseSuccess,
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92 | failure: responseFailure
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93 | }
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94 |
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95 | //var date = new Date();
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96 | //url += "&rand=" + date.getTime();
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97 | YAHOO.util.Connect.asyncRequest(request_type , url , callback);
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98 | }
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99 |
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100 |
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101 |
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102 | function updateFavouritesCount() {
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103 | var favouritesCountElement = YAHOO.util.Dom.get('favouritesCountDisplay');
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104 | if ( favouritesCountElement == null ) return;
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105 | if ( berryList.length == 0 ) {
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106 | favouritesCountElement.innerHTML = "(0)";
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107 | } else {
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108 | favouritesCountElement.innerHTML = "(" + berryList.length + ")";
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109 | }
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110 | }
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111 |
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112 |
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113 |
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114 | function addFavourite(el){
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115 | var addurl = gs.xsltParams.library_name + "?a=pr&rt=r&ro=1&s=AddFavourite&c=&s1.id=2&o=XML&hhf="+makeURLComponentSafe("[{\"name\":\"Cache-Control\", \"value\":\"no-cache\"}]")+"&s1.item=" + el.id;
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116 |
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117 | var request_type = "GET";
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118 | var addSuccess = function(o){
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119 | var result = o.responseXML;
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120 | var items = result.getElementsByTagName('documentNode');
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121 |
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122 | if (items.length > 0){
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123 | // assumes that there is only 1 item to add
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124 | var item = items[0];
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125 | berryList[berryList.length]= item;
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126 |
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127 | updateFavouritesCount();
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128 | }
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129 |
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130 | }
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131 |
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132 | var addFailure = function(o){
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133 | }
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134 |
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135 | var addcallback = {
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136 | success:addSuccess,
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137 | failure:addFailure
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138 | }
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139 |
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140 | YAHOO.util.Connect.asyncRequest(request_type , addurl , addcallback);
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141 | }
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142 |
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143 |
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144 | function deleteFavourite(el){
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145 | var delurl = gs.xsltParams.library_name + "?a=pr&rt=r&ro=1&s=DeleteFavourites&c=&o=XML&hhf="+makeURLComponentSafe("[{\"name\":\"Cache-Control\", \"value\":\"no-cache\"}]")+"&s1.items=" + el.id;
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146 |
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147 | var request_type = "GET";
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148 | var delSuccess = function(o){
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149 |
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150 | for (var i in berryList) {
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151 | var berry = berryList[i];
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152 | console.log(berry);
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153 | var id = berry.getAttribute('collection')+":"+berry.getAttribute('name');
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154 |
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155 | if (id == el.id){
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156 | berryList.splice(i,1);
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157 |
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158 | break;
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159 | }
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160 |
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161 | }
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162 | updateFavouritesCount();
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163 |
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164 | }
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165 |
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166 | var delFailure = function(o){
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167 | }
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168 |
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169 | var delcallback = {
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170 | success:delSuccess,
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171 | failure:delFailure
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172 | }
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173 |
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174 | YAHOO.util.Connect.asyncRequest(request_type , delurl , delcallback);
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175 | }
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176 |
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177 |
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178 |
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179 | function toggleFavourite(el)
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180 | {
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181 | var is_favourite = el.getAttribute("data-is-favourite");
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182 | if (is_favourite == "true") {
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183 | deleteFavourite(el);
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184 | el.src = gs.variables.unselected_favourite_icon_url;
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185 | el.setAttribute("data-is-favourite","false")
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186 | }
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187 | else {
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188 | addFavourite(el);
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189 | el.src = gs.variables.selected_favourite_icon_url;
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190 | el.setAttribute("data-is-favourite","true")
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191 | }
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192 | }
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193 |
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194 | YAHOO.util.Event.addListener(window, 'load', favouritesCheckout);
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195 | //YAHOO.util.Event.addListener(window, 'click', basketUpdate);
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196 |
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197 |
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198 |
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