function TopAd()
{
    var strTopAd="";
	//var location="http://www.jjchina.cc";
    if(location=="http://www.jjchina.cc/"||location=="http://www.jjchina.cc"||location=="http://www.jjchina.cc/default.html"||location=="http://jjchina.cc")
    {
        strTopAd="<table width='1003' border='0' align='center' cellpadding='0' cellspacing='0'><tr><td align='center'><div id='adimage' style='margin: 0px auto; text-align:center; width:990px'><div id='adBig' ><img title='' src='/i/top_dt.jpg' width='990' border='0'></div><div id='adSmall' style='display:none'><img title='' src='/i/top_st.jpg' border='0'></div></div></td></tr></table>";}
    else
    {
        strTopAd="<div style='margin: 0px auto; text-align:center;'><img src='/i/top_st.jpg' border='0'></div>";
    }
    //<a href='/infolist.asp?cateid=1246' target='_blank'>
	//strTopAd+="<div style='margin: 0px auto; text-align:center; height:4px; clear:both;overflow:hidden;'></div>";
	//alert(strTopAd);
    return strTopAd;
}
document.write(TopAd());
$(function(){
    setTimeout("showImage();",2500);
    //alert(location);
});
function showImage()
{ $("#adBig").slideUp(1000,function(){$("#adSmall").slideDown(1000);});
}