function $(element) {
	var elements = new Array();
	if (arguments.length > 1) {
		for (var i = 0, elements = [], length = arguments.length; i < length; i++)
		elements.push($(arguments[i]));
		return elements;
	}
	element = document.getElementById(element);
	return element;
}

var Cookie=new Object();
Cookie.setCookie=function(name,value,option){
	var str=name+"="+escape(value);		
	if(option){
		if(option.expireDays){
			var date=new Date();
			var ms=option.expireDays*24*3600*1000;
			date.setTime(date.getTime()+ms);
			str+="; expires="+date.toGMTString();
		}	
		if(option.path)str+="; path="+path;
		if(option.domain)str+="; domain"+domain;
		if(option.secure)str+="; true";	
	}
	document.cookie=str;
}

Cookie.getCookie=function(name){
	var cookieArray=document.cookie.split("; ");
	var cookie=new Object();
	for(var i=0;i<cookieArray.length;i++){
		var arr=cookieArray[i].split("=");
		if(arr[0]==name)return unescape(arr[1]);
	}
	return "";
}

Cookie.deleteCookie=function(name){
	this.setCookie(name,"",{expireDays:-1});
}

function list_mode(elm){
	
	var elms = $('content').getElementsByTagName('DIV');
	
	if(Cookie.getCookie('smeta')){
		
		for(var i=0; i<elms.length; i++){
			if(elms[i].className == 'box2'){
				elms[i].style.display = 'block';
			}
		}
		Cookie.deleteCookie('smeta');
		elm.innerHTML='簡潔模式';
		
	}else{
		for(var i=0; i<elms.length; i++){
			if(elms[i].className == 'box2'){
				elms[i].style.display = 'none';
			}
		}
		Cookie.setCookie('smeta',1);
		elm.innerHTML='摘要模式';
	}
}