function sethome(obj,url){
  try{
    obj.style.behavior='url(#default#homepage)';
    obj.sethomepage(url);
  }catch(e){
    if(window.netscape){
     try{
       netscape.security.privilegemanager.enableprivilege("universalxpconnect");
     }catch(e){
       alert("抱歉，此操作被浏览器拒绝！\n\n请在浏览器地址栏输入“about:config”并回车然后将[signed.applets.codebase_principal_support]设置为'true'");
     }
    }else{
    alert("抱歉，您所使用的浏览器无法完成此操作。\n\n您需要手动将【"+url+"】设置为首页。");
    }
 }
}

function addfavorite(title, url) {
 try {
   window.external.addfavorite(url, title);
 }
catch (e) {
   try {
    window.sidebar.addpanel(title, url, "");
  }
   catch (e) {
     alert("抱歉，您所使用的浏览器无法完成此操作。\n\n加入收藏失败，请进入新网站后使用ctrl+d进行添加");
   }
 }
}

function dy_scroll(wraper,prev,next,img,speed,or)
 { 
  var wraper = $(wraper);
  var prev = $(prev);
  var next = $(next);
  var img = $(img).find('ul');
  var w = img.find('li').outerwidth(true);
  var s = speed;
  next.click(function()
       {
        img.animate({'margin-left':-w},function()
        {
		   img.find('li').eq(0).appendto(img);
		   img.css({'margin-left':0});
        });
        });
  prev.click(function()
       {
			img.find('li:last').prependto(img);
			img.css({'margin-left':-w});
			img.animate({'margin-left':0});
        });
  if (or == true)
  {
   ad = setinterval(function() { next.click();},s*1000);
   wraper.hover(function(){clearinterval(ad);},function(){ad = setinterval(function() { next.click();},s*1000);});
 
  }
 }
 
$(function(){
	var cname="";
	$("#topnav li").hover(function(){
		cname=$(this).attr("class");
		if(!cname){$(this).addclass("hover");}
		$("dl",this).show();
	},function(){
		$("dl",this).hide();
		if(!cname){$(this).removeclass("hover");}
	});
	//
	dy_scroll('.pro_width','.arrow_left','.arrow_right','.pro_width',5,true);

})


function checksearch(the)
{  
	if ($.trim(the.key.value)=='')
	{   alert('请输入关键字');
		the.key.focus();
		the.key.value='';
		return false
	}
	if ($.trim(the.key.value)=='请输入关键字')
	{   alert('请输入关键字');
		the.key.focus();
		the.key.value='';
		return false
	}
}
//回顶部
window.onload = function () {
    var topbtn = document.getelementbyid("top");
    var timer = null;
    var pagelookheight = document.documentelement.clientheight;
	
    topbtn.onclick = function () {

        timer = setinterval(function () {
            var backtop = document.body.scrolltop;
            var speedtop = backtop/4;
            document.body.scrolltop = backtop -speedtop;
            if(backtop ==0){
                clearinterval(timer);
            }
        }, 20);
    }
}

$(document).ready(function(){
    $('.menu-kj2').each(function(){
        if ($(this).has('li').length == 0){
            $(this).remove();
        }
    });
});