// JavaScript for temporary survey launch event
function getSurveyCookie(){
	var inc = 0;
	var expiredate = new Date();
	expiredate.setDate(expiredate.getDate()+30);
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf("ga_dhc_surveyholder" + "=");
		if (c_start!=-1)
		{
			c_start=c_start + "ga_dhc_surveyholder".length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			inc = unescape(document.cookie.substring(c_start,c_end));
		}
	}
	if (inc=='11') {
		openSurvey();
		inc = inc + 1;
		document.cookie="ga_dhc_surveyholder" + "=" + inc + ";expires=" + expiredate.toGMTString();
	} else {
		inc = inc + 1;
		document.cookie="ga_dhc_surveyholder" + "=" + inc + ";expires=" + expiredate.toGMTString();
	}
}
function openSurvey()
{
	var url = "pre_survey";
	var option = "scrollbars=1,resizable=1,toolbar=1,width=650,height=400";
	window.open(url,"Survey",option);
}