// JScript 文件
function TopAd()
{
    var strTopAd="";
	
	//定义小图片内容
    var topSmallBanner="<div style=\"width:950px; margin:0 auto;\"><img src=\"ad/aa.jpg\" /></div>";
	
	//判断在那些页面上显示大图变小图效果，非这些地址只显示小图（或FLASH）
    if (location == "http://www.lyabc.net/" || location == "http://www.lyabc.net/" || location == "http://www.lyabc.net//" || true)
    {
		//定义大图内容
        strTopAd="<center><div id=adimage style=\"width:950px; margin:0 auto;\">"+
                    "<div id=adBig><img "+
                    "src=\"ad/bb.jpg\" " +
                    "border=0></div>"+
                    "<div id=adSmall style=\"display: none\">";
        //strTopAd+=  topFlash;     
		strTopAd+=  topSmallBanner;  
        strTopAd+=  "</div></div>";
    }
    else
    {
        //strTopAd+=topFlash;
		strTopAd+=  topSmallBanner;  
    }
    strTopAd+="<div style=\"height:7px; clear:both;overflow:hidden\"></div>";
    return strTopAd;
}
document.write(TopAd());
$(function(){
	//过两秒显示 showImage(); 内容
    setTimeout("showImage();",3000);
    //alert(location);
});
function showImage()
{
    $("#adBig").slideUp(2000,function(){$("#adSmall").slideDown(1000);});
}