/*function ehover(preid,count,idx,curidx,now,oth){
    for (var i=0;i<count;i++)
    {
        if (idx ==i)
            $(preid+i.toString ()).className=now;
        if (curidx !=idx)
            $(preid+i.toString ()).className=oth;
        
    }
}
*/
function ehover(pre,idx,objid){
    var divs=$(pre+idx);
    var t=com.isIE==true?205:11;
    var l=com.isIE==true?((screens .getViewWidth ()-980)/2)+265:0;
    l=l<0?0:l;
    l=l<0?0:l;
    if (com.isIE8)
    {
        t=25
        l=-100;
    }
    
    var obj=$(objid);
    divs.style.left=(obj.offsetLeft+obj.offsetWidth+l)+"px";
    divs.style.top=(obj.offsetTop+t)+"px";
    divs.className ="e_items";
}

function ehovers(obj){obj.className="e_items";}
function eovers(obj){obj.className="e_items_hide";}
function _eovers(id){$(id).className="e_items_hide";};
//function hovers(obj){obj.className="sublist_show";}
//function overs(obj){obj.className="sublist_hide";}function over(obj){if(obj!=null && obj!=undefined){if (obj.className=="lpointnow")obj.className="lpoint";}for (var i=0;i<=3;i++){document .getElementById ("_sub_nav_"+i.toString ()).className="sublist_hide";}}
var _arrleft=["/theme/v1/images/ico/t_you.png","/theme/v1/images/ico/btn_2.png"];
var _arrright=["/theme/v1/images/ico/t_zuo.png","/theme/v1/images/ico/btn_1.png"];
var _count=7;
var _currentidx=0;
function s_item(M)
{

    var arr =document.getElementById ("menu_expres").getElementsByTagName("div");
    switch(M)
    {
        case "left":
            if (_currentidx>0)
            {
                _currentidx--;
                spliceitem(_currentidx,_currentidx+_count);
            }else
            {
                $("img_z").src=_arrright[1];
                $("img_y").src=_arrleft[0];
            }
            break;
        case "right":
            var _len=arr.length ;
            if (_currentidx+_count <_len)
            {
                _currentidx++;
                spliceitem(_currentidx,_currentidx+_count);
            }else
            {
                $("img_z").src=_arrright[0];
                $("img_y").src=_arrleft[1];
            }
            break;
        default:
            break;
    }
}
function getlength()
{
    var arr =$("menu_expres").getElementsByTagName("div");
    return arr.length;
}
function spliceitem(start,end)
{
    var arr =$("menu_expres").getElementsByTagName("div");
    for (var i=0;i<arr.length;i++)
    {
        if (i>=start && i<end)
            arr[i].className="moth";
        else arr[i].className="menu_hide";
    }
}