// JavaScript Document

function GetParam(name){ /*Returns values from location urls and assigns to reference variable*/
var start=location.search.indexOf("?"+name+"=");
if (start<0) start=location.search.indexOf("&"+name+"=");
if (start<0) return '';
start += name.length+2;
var end=location.search.indexOf("&",start)-1;
if (end<0) end=location.search.length;
var result=location.search.substring(start,end);
var result='';
for(var i=start;i<=end;i++) {
	var c=location.search.charAt(i);
	result=result+(c=='+'?' ':c);}
return unescape(result);
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return '';
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}