var Cookie = {
	set : function (name,value,day){
		var today= new Date();
		today.setDate(today.getDate() + day);
		document.cookie = name + "=" + escape(value) + "; path=/; expires=" + today.toGMTString() + ";"
	},
	get : function (name){
		name += "=";
		var start = document.cookie.indexOf(name);
		if(start > -1){
			start = start+name.length;
			var end = document.cookie.indexOf(";", start);
			if(end > 0)
				return document.cookie.substr(start, end - start);
			else
				return document.cookie.substr(start);
		}
		return ;
	}
}


function open_popup(url,fn,opt,evid){

	if(Cookie.get(evid) != 'false'){
		window.open(url,fn,opt);
	}
}