// jscript 文件
function topad()
{
    var strtopad="";
	
	//定义小图片内容
    var topsmallbanner="";
	
	//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 == "#" || location == "#" || location == "#" || true)
    {
		//定义大图内容
        strtopad="<div id=adimage style=\"width:1001px; clear:both;margin:auto;\">"+
                    "<div id=adbig><a href=\"#\" " + 
                    "target=_blank><img title='' "+
                    "src=\"images/banner.png\" " +
                    "border=0></a></div>"+
                    "<div id=adsmall style=\"display: none\">";
        //strtopad+=  topflash;     
		strtopad+=  topsmallbanner;  
        strtopad+=  "</div></div>";
    }
    else
    {
        //strtopad+=topflash;
		strtopad+=  topsmallbanner;  
    }
    strtopad+="";
    return strtopad;
}
document.write(topad());
$(function(){
	//过两秒显示 showimage(); 内容
    settimeout("showimage();",4000);
    //alert(location);
});
function showimage()
{
    $("#adbig").slideup(1000,function(){$("#adsmall").slidedown(1000);});
}