function CH(){
	this.set=function(name,value,seconds,path)
	{
		var expires="";
		if (typeof(seconds)!='undefined')
		{
			var date=new Date();
			date.setTime(date.getTime()+(seconds*1000));
			var expires=";expires="+date.toGMTString();
		}
		value=escape(value);
		if(value.length>4095)
			value=value.substring(0,4095);
		document.cookie=name+"="+value+expires+";path="+path;
	}
	this.get=function(name)
	{
		name=name+"=";
		var cA=document.cookie.split(';');
		for(i=0;i<cA.length;i++)
		{
			var c=cA[i];
			while(c.charAt(0)==' ')c=c.substring(1,c.length);
			if(c.indexOf(name)==0)
				return unescape(c.substring(name.length,c.length));
		}
		return null;
	}
	this.del=function(name){this.setCookie(name,"",-1);}
}