function Get_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_Cookie(name,value,expires,path,domain,secure)
{
	var today=new Date();
	today.setTime(today.getTime());
	if(expires)
	{
		expires=expires*1000*60*60*24;
	}
	var expires_date=new Date(today.getTime()+(expires));
	document.cookie=name+"="+escape(value)+
	((expires)?";expires="+expires_date.toGMTString():"")+
	((path)?";path="+path:"")+
	((domain)?";domain="+domain:"")+
	((secure)?";secure":"");
}
function Delete_Cookie(name,path,domain)
{
	if(Get_Cookie(name))
		document.cookie=name+'='+
		((path)?';path='+path:'')+
		((domain)?';domain='+domain:'')+';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}