function GetObj(objName)
{
    if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}
}

function showHideDiv()
{
    setTimeout("HideDiv()",300);
    //alert('ddd');
}
    
function HideDiv()
{
    if(GetObj("city_Names")){GetObj("city_Names").className="city_Names";}
    
    for (i=0;i<arguments.length;i++)
    {
        //显示下拉列表
         GetObj(arguments[i].toString()).style.visibility='visible';
    }
}
function ShowDiv()
{
    GetObj("city_Names").className="city_Names_1";
    GetObj("city_Names").style.top=getY(GetObj("imgSelect"))+5;
    GetObj("city_Names").style.left=getX(GetObj("imgSelect"))+20;
    
    for (i=0;i<arguments.length;i++)
    {
        //隐藏下拉列表
         GetObj(arguments[i].toString()).style.visibility='hidden';
         //alert(arguments[i].toString());
    }
}
function getY(element) 
{
    var y = 0;
    for(var e = element; e; e = e.offsetParent) 
        y += e.offsetTop;                       
    for(e = element.parentNode; e && e != document.body; e = e.parentNode)
    if (e.scrollTop) y -= e.scrollTop;  
    return y;
}
function getX(element) 
{
    var y = 0;
    for(var e = element; e; e = e.offsetParent) 
        y += e.offsetLeft;                       
    for(e = element.parentNode; e && e != document.body; e = e.parentNode)
    if (e.scrollLeft) y -= e.scrollLeft;  
    return y;
}