function $(obj){
	return document.getElementById(obj)
}

function addBookmark(){
	var title="“■4399小游戏”"/www.4399.com";
	var url="http://www.4399.com";
	if (window.sidebar){
		window.sidebar.addPanel(title,url,""); 
	}
	else if(document.all){
		window.external.AddFavorite(url,title);
	}
	else if(window.opera && window.print){
		return true;
	}
}

/* Search */
function strlen(str){var i;var len = 0;for (i=0;i<str.length;i++) if (str.charCodeAt(i)>255) len+=2; else len++;return len;}

function checksearch(obj) {if (obj.k.value=="" || obj.k.value=="搜索小游戏"){obj.k.className = "sh text clicked";obj.k.value="";alert("请输入搜索关键字.");obj.k.focus();return false;}if (strlen(obj.k.value)<2){alert("关键字不能少于2个字节.");obj.k.focus();return false;}}

/* Cookie */
function getCookie(name){var strCookies = document.cookie;var cookieName = name + "=";var valueBegin, valueEnd, value;valueBegin = strCookies.indexOf(cookieName);if (valueBegin == -1) return null;valueEnd = strCookies.indexOf(";", valueBegin);if (valueEnd == -1)valueEnd = strCookies.length;value = strCookies.substring(valueBegin+cookieName.length,valueEnd);return unescape(value);}

function setCookie (name, value) {var argv = setCookie.arguments;var argc = setCookie.arguments.length;var path = (argc > 2) ? argv[2] : null;var expireDays = (argc > 3) ? argv[3] : 365;var domain = (argc > 4) ? argv[4] : ".4399.com";var secure = (argc > 5) ? argv[5] : false;var date=new Date();date.setTime(date.getTime()+expireDays*24*3600*1000);deleteCookie (name);document.cookie = name + "=" +  escape(value) + ((expireDays == null) ? "" : ("; expires=" + date.toGMTString())) + ((path == null) ? "" : ("; path=" + path));}

function checkCookieExist(name){	if (getCookie(name))return true;else return false;}

function deleteCookie (name) {  var exp = new Date();  exp.setTime (exp.getTime() - 1); var cval = getCookie (name); document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();}

function chkSosmart(){
	if($("smart_input").value=="搜索小游戏"){
		$("smart_input").value = "";
	}
	$("smart_input").className = "sh text clicked";
}