function get_cookie(Name) 
{
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) 
	{
		offset = document.cookie.indexOf(search)
		// if cookie exists
		if (offset != -1) 
		{ 
			offset += search.length
			// set index of beginning of value
			end = document.cookie.indexOf(";", offset);
			// set index of end of cookie value
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}
	return returnvalue;
}

function lightupdate()
{
	document.cookie="lightsqueeze=true";
}

function checkReferrer()
{
	alert(document.referrer);
}

function getQueryVariable(variable) 
{ 
	var query = window.location.search.substring(1); 
	var vars = query.split("&"); 
	for (var i=0;i<vars.length;i++) 
	{ 
		var pair = vars[i].split("="); 
		if (pair[0] == variable) 
		{ 
			//return pair[1]; 
			return true;
		} 
	} 
	//alert('Query Variable ' + variable + ' not found'); 
	return false;
} 

function detect()
{
	//return true;
	if(getQueryVariable("ls")) return false;
	if (get_cookie("lightsqueeze")=="true") return true;
	lightupdate();
	if(getQueryVariable("ar")) return true;
	return false;
}