$ = function(el){	return document.getElementById(el);}
//头选项卡脚本
function initNavTab(navID,len)
{
    var obj = document.getElementById(navID);
    var curClassName="a"+len+"v"; 
    if(obj)
    {
         obj.className=curClassName;
    }  
}

function swapNavTab(navID)
{
    for(i=1;i<=10;i++)
    {
        var objID = "nav_"+i;

        var obj = document.getElementById(objID);
        if(obj)
        {
                if(obj.className.indexOf("v")!=-1)
                {
                    obj.className=obj.className.replace("v","");
                }
        }
    } 

    var searchType = document.getElementById('searchType');  
    if(searchType)
    {
        searchType.value=navID; 
        var searchKey = document.getElementById("txtSearchKeyword");
        if(searchType.value==2)
        {
            searchKey.value="请输入要查找的订单信息名称";
        }
        if(searchType.value==3)
        {
            searchKey.value="请输入要查找的供应信息名称";
        }
        if(searchType.value==4)
        {
            searchKey.value="请输入要查找的求购信息名称";
        }
        if(searchType.value==5)
        {
            searchKey.value="请输入要查找的合作信息名称";
        }
        if(searchType.value==6)
        {
            searchKey.value="请输入要查找的服务信息名称";
        }
        if(searchType.value==10)
        {
            searchKey.value="请输入要查找的订单信息";
        }
    }  
    var curIntID = navID; 
    var navID = "nav_"+navID; 
    var obj = document.getElementById(navID);
    var curClassName="a3v";  
    if(curIntID==10 || curIntID==7)
    curClassName="a4v";  

    if(obj)
    {
         obj.className=curClassName;
    } 
}

function search()
{
    var searchType = document.getElementById('searchType').value;
    var searchKey = document.getElementById("txtSearchKeyword").value;
    window.open("http://b2b.3wto.com/Search.aspx?type="+searchType+"&keyword="+searchKey); 
}


//左侧切换热点脚本
function top_left_re_check(curType)
{	
    if(curType==1)
    {		
            $("top_left_re_title1").className = "check link1";		
            $("top_left_re_title2").className = "uncheck link2";		
            $("top_left_re_title3").className = "uncheck link3";				
            $("top_left_re_left").className = "top_left_re_left top_left_re_left_bg1"
            $("top_left_re_cont1").style.display = "block";		
            $("top_left_re_cont2").style.display = "none";		
            $("top_left_re_cont3").style.display = "none";	}
     else 
     if(curType==2)
     {		
            $("top_left_re_title1").className = "uncheck link1";		
            $("top_left_re_title2").className = "check link2";		
            $("top_left_re_title3").className = "uncheck link3";				
            $("top_left_re_left").className = "top_left_re_left top_left_re_left_bg2";
            $("top_left_re_cont1").style.display = "none";		
            $("top_left_re_cont2").style.display = "block";		
            $("top_left_re_cont3").style.display = "none";	}
     else 
     if(curType==3)
     {		
            $("top_left_re_title1").className = "uncheck link1";		
            $("top_left_re_title2").className = "uncheck link2";		
            $("top_left_re_title3").className = "check link3";				
            $("top_left_re_left").className = "top_left_re_left top_left_re_left_bg3";
            $("top_left_re_cont1").style.display = "none";		
            $("top_left_re_cont2").style.display = "none";		
            $("top_left_re_cont3").style.display = "block";	
      }
}


//向上滚动文字脚本
function scrollUpText(ul, delay, speed, lh) {
    var slideBox = (typeof ul == 'string')?document.getElementById(ul):ul;
    var delay = delay||1000, speed=speed||20, lh = lh||20;
    var tid = null, pause = false;
    var start = function() {
    tid=setInterval(slide, speed);
}
var slide = function() {
    if (pause) return;
    slideBox.scrollTop += 2;
    if (slideBox.scrollTop % lh == 0) {
        clearInterval(tid);
        slideBox.appendChild(slideBox.getElementsByTagName('li')[0]);
        slideBox.scrollTop = 0;
        setTimeout(start, delay);
    }
}
slideBox.onmouseover=function(){pause=true;} 
slideBox.onmouseout=function(){pause=false;}
setTimeout(start, delay);
}


//添加到收藏夹
function addFavorite(){
    var title=document.title;
    var url=document.location.href;
    if (window.sidebar) window.sidebar.addPanel(title, url,"");
    else 
         if( window.opera && window.print ){
            var mbm = document.createElement('a');
            mbm.setAttribute('rel','sidebar');
            mbm.setAttribute('href',url);
            mbm.setAttribute('title',title);
            mbm.click();}else 
         if( document.all ) window.external.AddFavorite( url, title);
}