function perloader() { 
    var imageObj = new Image();
    var images = new Array();
    var pathUrl = "http://www.wulongonline.com/images/";
    images[0] = pathUrl + "menu_title001.gif";images[1] = pathUrl + "menu_title002.gif";
    images[2] = pathUrl + "menu_title003.gif";images[3] = pathUrl + "menu_title004.gif";
    images[4] = pathUrl + "menu_title005.gif";images[5] = pathUrl + "menu_title006.gif";
    images[6] = pathUrl + "menu_title007.gif";images[7] = pathUrl + "menu_title008.gif";
    images[8] = pathUrl + "menu_title009.gif";
    images[9] = pathUrl + "menu_title011.gif";images[10] = pathUrl + "menu_title012.gif";
    images[11] = pathUrl + "menu_title013.gif";images[12] = pathUrl + "menu_title014.gif";
    images[13] = pathUrl + "menu_title015.gif";images[14] = pathUrl + "menu_title016.gif";
    images[15] = pathUrl + "menu_title017.gif";images[16] = pathUrl + "menu_title018.gif";
    images[17] = pathUrl + "menu_title019.gif";
    images[18] = pathUrl + "menu_title111.gif";images[19] = pathUrl + "menu_title112.gif";
    images[20] = pathUrl + "menu_title113.gif";images[21] = pathUrl + "menu_title114.gif";
    images[22] = pathUrl + "menu_title115.gif";images[23] = pathUrl + "menu_title116.gif";
    images[24] = pathUrl + "menu_title117.gif";images[25] = pathUrl + "menu_title118.gif";
    images[26] = pathUrl + "menu_title119.gif";
    
    for(var i=0; i<images.length;i++){
        imageObj.src = images[i];
    }    
    
}

function voidNews(obj){
    for(var i=1;i<=3;i++){
        if(obj==i){
            $("#tb-"+i)[0].className = "news-visiter";$("#tab-"+i)[0].style.display = "block";
        }else{
            $("#tb-"+i)[0].className = "news-hover";$("#tab-"+i)[0].style.display = "none";
        }
        if(obj==1)$("#parentMenuID")[0].href = "http://www.wulongonline.com/bbs/showtopiclist.aspx?type=digest&forums=all";
        else if(obj==2)$("#parentMenuID")[0].href = "http://www.wulongonline.com/bbs/showforum-32.aspx";
        else $("#parentMenuID")[0].href = "http://www.wulongonline.com/bbs/showtopiclist.aspx?type=newtopic&newtopic=120&forums=all";
    }
}

function voidCat(obj){
    for(var i=1;i<=2;i++){
        if(obj==i){$("#cat-"+i)[0].className = "cat-visiter";$("#cat-tab-"+i)[0].style.display = "block";}else{$("#cat-"+i)[0].className = "cat-hover";$("#cat-tab-"+i)[0].style.display = "none";}
    }
}