function cookie_controller(){
	this.getCookie = function(cookieName){
		var ourCookie=window.document.cookie;
		if(!ourCookie || ourCookie==""){return "";}
		ourCookie=ourCookie.split(";");
		var i=0;
		var Cookie;
		while(i<ourCookie.length){
			Cookie=ourCookie[i].split("=")[0];
			if(Cookie.charAt(0)==" "){
					Cookie=Cookie.substring(1);}
			if(Cookie==cookieName){
				return unescape(ourCookie[i].split("=")[1]);
			}
			i++;
		}
		return "";
	}
	this.setCookie = function (cookieName, cookieContent, cookieExpireTime,path){
		if((path=='dir')||(path==undefined)){path="";}
		if(path=='site'){path='path=/;';}
		if(cookieExpireTime>0){
			var expDate=new Date();
			expDate.setTime(expDate.getTime()+cookieExpireTime*1000*60*60);
			var expires=expDate.toGMTString();
			window.document.cookie=cookieName+"="+escape(cookieContent)+"; "+path+" expires="+expires;
		}else{
			window.document.cookie=cookieName+"="+escape(cookieContent)+"; "+path;
		}
	}
	this.deleteCookie = function(cookieName) {
		window.document.cookie=cookieName+"="+";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}
}

function get_page_name(){
	var saddr=window.location.toString();
	return saddr.substr(saddr.lastIndexOf('/')+1,saddr.lastIndexOf('.')-saddr.lastIndexOf('/')-1);
}