function Get_Login_Cookie(name) 
{
	var start = document.cookie.indexOf(name+"="); 
	var len = start+name.length+1; 
	
	if ((!start) && (name != document.cookie.substring(0,name.length))) return null; 
	if (start == -1) return null; 
	
	var end = document.cookie.indexOf(";",len); 
	if (end == -1) 
		end = document.cookie.length; 
	
	return unescape(document.cookie.substring(len,end)); 
} 

function Set_Login_Cookie(name,value,path,domain,secure) 
{
	var expires = 30*60*1000;  //30min
	var today = new Date();
	var expires_date = new Date( today.getTime() + (expires) );
	var cookieString = name + "=" +escape(value) + 
	 ( (expires) ? ";expires=" + expires_date.toGMTString() : "") + 
	 ( (path) ? ";path=" + path : "") + 
	 ( (domain) ? ";domain=" + domain : "") + 
	 ( (secure) ? ";secure" : ""); 
	document.cookie = cookieString; 
}