// JavaScript Document
function af(){
	var sURL = window.location;
	var sTitle = "nail art";
	if(document.all)
		window.external.AddFavorite(sURL, sTitle); 
	else
		window.sidebar.addPanel(sTitle, sURL, "");	
}

function mh(){
	var sURL = "http://www.nailartsupplier.com";
	var sTitle = "nail art";
	if (document.all){
			document.body.style.behavior='url(#default#homepage)';
	  		document.body.setHomePage(sURL);
		}
	else if (window.sidebar){
		if(window.netscape){
			try{  
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
			}  
			catch (e){  
				alert( "" );  
			}
		} 
		var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
		prefs.setCharPref('browser.startup.homepage',sURL);
	 }
}

function $(id){
	return(document.getElementById(id));
}

function isNum(num){
	return(new RegExp(/^\d+$/).test(num));
}
 
function act(id){
	if(id=="" || !isNum(id)) return;
	
	var obj = $("b"+id);
	if(obj == null || obj == "undefined") return;
	obj.className = "liact";
//	alert(obj.className);
	obj = $("sm"+id);
	if(obj == null || obj == "undefined") return;
	obj.style.display = "block";
}

function act2(id){
	if(id=="" || !isNum(id)) return;

	var obj = $("smi"+id);
	if(obj == null || obj == "undefined") return;
	obj.className = "smiact";
}

function cookies(){
	var s = getScreenSize();
	if(s.w<1680) setActiveStyleSheet("/sc.css");
	if(s.w>=1680) setActiveStyleSheet("/bc.css");
	setCookie("width",s.w);
	setCookie("height",s.dh);
}

function setActiveStyleSheet(title){ 
 // document.getElementsByTagName("link")[1].href=title; 
//$("scss").href=title;
	if(document.styleSheets[1])
		document.styleSheets[1].href=title;
	else
		document.getElementsByTagName("link")[1].href=title;
}

function getScreenSize(){
	return {w:window.screen.width,dh:document.body.clientHeight};
}

function setCookie(name,value)//两个参数，一个是cookie的名子，一个是值
{
    var Days = 30; //此 cookie 将被保存 30 天
    var exp  = new Date();    //new Date("December 31, 9998");
    exp.setTime(exp.getTime() + Days*24*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}

function getCookie(name)//取cookies函数        
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
     if(arr != null) return unescape(arr[2]); return null;

}

function delCookie(name)//删除cookie
{
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}

window.onload = function(){
	//cookies();
};