var pctOfferedSurvey = .4;
		var popupLocation = "/survey/surveyInvite.htm";
		var cookieSurveyDisplayed = "dotedusurveyinvite";
		
		var expDate = new Date ();
		var milOneYear = (365 * 24 * 60 * 60 * 1000);
		var storedValue;
		
		expDate.setTime (expDate.getTime() + milOneYear);
		storedValue = GetCookie(cookieSurveyDisplayed);
		cn = Math.random();
		
		function errortrap(msg,url,line)
		{
			GenRandomIntercept();
		}
		
		onerror = errortrap;
		
		function GenRandomIntercept()
		{
			if ((cn <= pctOfferedSurvey) && (storedValue == null))
			{
				SetCookie(cookieSurveyDisplayed, 'alreadyOffered', expDate, '/');
				window.open(popupLocation,'intercept','width=385,height=300,screenX=20,screenY=200,top=20,left=200');
			}
		}
		
		function GetCookie (name)
		{
			var mycookie = document.cookie;
			var start = mycookie.indexOf(name, 0);
			if(start >= 0)
			{
				var end = mycookie.indexOf(';', start);
				if(end < 0)
				{
					end = mycookie.length;
				}
				return mycookie.substring(start, end);
			}
			else
			{
				return null;
			}
		}
		
		function SetCookie (name,value,expires,path,domain,secure)
		{
				document.cookie = name + "=" + escape (value) +
				((expires) ? "; expires=" + expires.toGMTString() : "") +
				((path) ? "; path=" + path : "") +
				((domain) ? "; domain=" + domain : "") +
				((secure) ? "; secure" : "");
		}
		
		window.onunload = GenRandomIntercept;