//...set up unique survey vars
	
	var surveyVgnvisitorid = "";
	var surveyCookieValueName = "vgnvisitor";
	var surveyStart = document.cookie.indexOf( surveyCookieValueName + "=" );
	var surveyLen = surveyStart + surveyCookieValueName.length + 1;
	
	//...make sure the the variable even exists in the cookie
	if ( ( !surveyStart ) && ( surveyCookieValueName != document.cookie.substring( 0, surveyCookieValueName.length ) ) ) {
		 surveyVgnvisitorid = "null";
	}
	
	if ( surveyStart == -1 ) {
		surveyVgnvisitorid = "null";
	}
	
	//...if it exists, get the end and capture the value
	if ( surveyVgnvisitorid =="" ) {
		var surveyEnd = document.cookie.indexOf( ";", surveyLen );
	
		if ( surveyEnd == -1 ) {
			surveyEnd = document.cookie.length;
		}
		
		surveyVgnvisitorid = unescape( document.cookie.substring( surveyLen, surveyEnd ) );
	}