function getCookieData(label){
			var cookieString=String(document.cookie);
			
			var labelLen=label.length;
			var cLen=document.cookie.length;
			var i=0;
			var cEnd;
			while(i<cLen){
				var j=i+label.length;
				if (cookieString.substring(i,j)==label){
					cEnd=document.cookie.indexOf(";",j);
					if (cEnd==-1) cEnd=document.cookie.length;
					cookieString=cookieString.substring(j+1,cEnd);
					//alert("str: "+document.cookie+"\n\nsub: "+cookieString+"\nj: "+j+" cEnd: "+cEnd+" cookie length: "+document.cookie.length);
					return cookieString;
				}
				i++;		
			}
			return "";
		}
		
		var bcookie=true;
		if (navigator.appName.indexOf("Microsoft")!=-1){
			bcookie=navigator.cookieEnabled;
		}
		var cookieStr;
		if (bcookie){
			cookieStr=getCookieData("DPT_session_id");
		}