function get_referer() {
	var name = "get_referer";
	var value = document.referrer;
	var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
	if(arr != null)
		value += "\n" + unescape(arr[2]);
	document.cookie = name + "=" + escape(value) + "; path=/";
	//alert(value);
}
function get_referer_end() {
	var name = "get_referer";
	var exp = new Date();
	exp.setTime(exp.getTime() - 1);
	document.cookie = name + "=; expires=" + exp.toGMTString() + "; path=/";
}