EBG=window.EBG||{};if(EBG.declareNamespace){EBG.declareNamespace("URLUtil");}EBG.URLUtil=function (reportCallback,options){this._maximumUrlLength=options?options.maximumUrlLength:null;this._maximumAorgUrls=options?options.maximumAorgUrls:null;this.TOP_WINDOW=EBG.URLUtil.getTopAccessibleWindow(false);if(reportCallback){reportCallback({referrer:this.getReferrerUrl(),top:this.getTopUrl(),aorg:this.getAncestorOriginsUrls(this._maximumAorgUrls)});}};EBG.URLUtil.prototype={capUrl:function (url){if(!url||!this._maximumUrlLength){return url;}return url.substring(0,this._maximumUrlLength);},getReferrerUrl:function (){return this.capUrl(this.TOP_WINDOW.document.referrer);},getTopUrl:function (){return this.capUrl(this.TOP_WINDOW.location.href);},getAncestorOriginsUrls:function (maximumUrls){var aorg=[];if(window&&window.location&&window.location.ancestorOrigins&&typeof window.URL=="function"){var a=window.location.ancestorOrigins;if(a.length>0){var len=maximumUrls?Math.min(maximumUrls,a.length):a.length;for(var i=0;i<len;i++){if(location.ancestorOrigins[i]){aorg.push(this.capUrl(location.ancestorOrigins[i]));}}}}return aorg;}};EBG.URLUtil.getTopAccessibleWindow=function (contiguous){contiguous=typeof contiguous=='boolean'?contiguous:true;var win=window;var doIfAccessible=function (){win=this;};EBG.Adaptors.StdWebAdaptor._walkUpIframes(doIfAccessible,null,window,!contiguous);return win;};EBG.URLUtil._walkUpIframes=function (doIfAccessible,doIfNotAccessible,win,iterateUnfriendly){var startWin=win||window,startOrigin=startWin.location.origin||(startWin.location.protocol+"/" + "/"+startWin.location.host),currWin=startWin,isFriendly=false,parentOrigin="";iterateUnfriendly=!!iterateUnfriendly;try{if(startWin.location.ancestorOrigins){doIfAccessible&&doIfAccessible.call(currWin);for(var i=0;i<startWin.location.ancestorOrigins.length;i++){if(i==0&&startOrigin=="null"){startOrigin=startWin.location.ancestorOrigins[0];}currWin=currWin.parent;isFriendly=false;if(startWin.location.ancestorOrigins[i]==startOrigin){try{parentOrigin=currWin.location.origin;isFriendly=true;}catch(e){isFriendly=false;}}if(isFriendly){doIfAccessible&&doIfAccessible.call(currWin);}else{try{doIfNotAccessible&&doIfNotAccessible.call(currWin);}catch(e){}if(!iterateUnfriendly){break;}}}}else{doIfAccessible&&doIfAccessible.call(currWin);while(currWin!==currWin.parent){currWin=currWin.parent;parentOrigin=null;try{parentOrigin=currWin.location.origin||(currWin.location.protocol+"/" + "/"+currWin.location.host);if(startOrigin=="null" || startOrigin == ("about:/" + "/")){startOrigin=parentOrigin;}}catch(e){}if(parentOrigin===startOrigin){doIfAccessible&&doIfAccessible.call(currWin);}else{try{doIfNotAccessible&&doIfNotAccessible.call(currWin);}catch(e){}if(!iterateUnfriendly){break;}}}}}catch(e){}};if(EBG.declareClass){EBG.declareClass(EBG.URLUtil,null);}