function getQuerystring()
{

	inputstr = document.location.href;
	var posn_ct = inputstr.indexOf("ct=");
	var posn_char = inputstr.indexOf("?", posn_ct+1);
	var today = new Date();
	var expires = new Date();
	expires.setTime(today.getTime() + 1000*60*60*24*30);
	
	if (posn_ct != -1)
	{
		posn_ct = posn_ct+3;

		if (posn_char != -1)
		{
			posn_char = posn_char - posn_ct;
			var ct = inputstr.substr(posn_ct,posn_char);
		}
		else
		{
			var ct = inputstr.substr(posn_ct);
		}
		//alert (ct);
		//alert (expires);

		setCookie("EnsimSFCT",ct,expires,'/','ensim.com');

	}

}

function setCookie (name1, value1, expires1, path1, domain1)
{
	//alert (document.cookie);

	document.cookie = name1 + "=" + escape (value1) +
         ((expires1 == null) ? "" : ("; expires=" + expires1.toGMTString())) +
         ((path1 == null) ? "" : ("; path=" + path1)) +
         ((domain1 == null) ? "" : ("; domain=" + domain1)) ;

	//alert (document.cookie);

}

getQuerystring();