//change locale
function tolink(str){
	location.href=str;
}


//图片提示效果
$(function(){
    var x = 10;  
    var y = -50;
    $(".tip").mouseover(function(e){
        myTitle = this.title;
        this.title = ""; 
        var $tip = $("<div id='tip'><img src='"+this.alt+"' width='100'/><\/div>"); //创建 div 元素
        $("body").append($tip); //把它追加到文档中
        $("#tip").show("fast");   //设置x坐标和y坐标，并且显示
   }).mouseout(function(e){
       $("#tip").remove();
        this.title = myTitle;
   }).mousemove(function(e){
       $("#tip")
   .css({
    "top": (e.pageY+y) + "px",
    "left": (e.pageX+x)  + "px"
   });
   })
})

//set home page
function setHomepage(url,tip){  
    if (document.all){   
        document.body.style.behavior = 'url(#default#homepage)';   
        document.body.setHomePage(url);   
    }else if (window.sidebar){   
        if (window.netscape){   
            try {   
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");   
            }catch (e) {   
                alert("return false");   
            }   
        }   
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);   
        prefs.setCharPref('browser.startup.homepage',url);   
    }   
}    

//addcookie
function addCookie(url,tip){ 
    if (document.all){   
        window.external.addFavorite(url,tip);   
    }else if (window.sidebar){   
        window.sidebar.addPanel(url,tip,""); 
    }   
}   


//check message form
function chkmsg(){
	if($("#name").val() == ""){
		alert($("#name").attr("tip"));
		$("#name").focus();
		return false;
	}else if($("#phone").val() == ""){
		alert($("#phone").attr("tip"));
		$("#phone").focus();
		return false;
	}else if($("#mail").val() == ""){
		alert($("#mail").attr("tip"));
		$("#mail").focus();
		return false;
	}else if($("#con").val() == ""){
		alert($("#con").attr("tip1"));
		$("#con").focus();
		return false;
	}else if($("#con").val().length<20){
		alert($("#con").attr("tip2"));
		$("#con").focus();
		return false;
	}else if($("#code").val() == ""){
		alert($("#code").attr("tip"));
		$("#code").focus();
		return false;
	}
}


//max width
function resize(id,maxWidth) {
var i = new Image();
i.src = id.src;
if (id.width > maxWidth) {
id.height = id.height*maxWidth/id.width;
id.width = maxWidth;
}
}

//check search
function chksearch(tip){
    if($("#searchtitle").val()==""){
		alert(tip);
		$("#searchtitle").focus();
		return false;
	}
}

function mpass(str){
   if(str==true){
	   $("#userpass").attr("disabled",'');
	   $("#userpass").val("");
   }else{
	   $("#userpass").attr("disabled",'disabled');
   }
}

//check login
function chklogin(tip1,tip2,tip3){
   if($("#username").val()==""){
		alert(tip1);
		$("#username").focus();
		return false;
	}else if($("#userpass").val()==""){
		alert(tip2);
		$("#userpass").focus();
		return false;
	}else if($("#code").val()==""){
		alert(tip3);
		$("#code").focus();
		return false;
	}
}

//chekg reg form
function chkreg(){
    if($("#username").val()=="" || $("#username").val().length<6 || $("#username").val().length>15){
		alert($("#username").attr("tip"));
		$("#username").focus();
		return false;
	}else if($("#userpass").val()=="" || $("#userpass2").val()==""){
		alert($("#userpass").attr("tip1"));
		$("#userpass").focus();
		return false;
	}else if($("#userpass").val().length < 6){
		alert($("#userpass").attr("tip2"));
		$("#userpass2").focus();
		return false;
	}else if($("#userpass").val()!=$("#userpass2").val()){
		alert($("#userpass2").attr("tip"));
		$("#userpass2").focus();
		return false;
	}else if($("#name").val()==""){
		alert($("#name").attr("tip"));
		$("#name").focus();
		return false;
	}else if($("#phone").val()==""){
		alert($("#phone").attr("tip"));
		$("#phone").focus();
		return false;
	}else if($("#code").val()==""){
		alert($("#code").attr("tip"));
		$("#code").focus();
		return false;
	}
}

//

$(document).ready(function(){
	$("ul.topnav li a").mouseover(function() {
		$(this).parent().find("ul.subnav").slideDown('fast').show(); 
		$(this).parent().hover(function() {
		}, function(){	
			$(this).parent().find("ul.subnav").slideUp('slow'); 
		});
		}).hover(function() { 
			$(this).addClass("subhover"); 
		}, function(){
			$(this).removeClass("subhover");
	});

});