宣传FLASH的隐现

下面为效果显示

脚本说明:
把如下代码加入<body>区域中
<script>
<!--

lstart=0
loop=true
speed=85 
pr_step=3 
newspeed=800
newspeed2=0

function makeObj(obj,nest){
	nest=(!nest) ? '':'document.'+nest+'.'
	this.css=(document.layers) ? eval(nest+'document.'+obj):eval(obj+'.style')
	this.scrollHeight=(document.layers) ?

this.css.document.height:eval(obj+'.offsetHeight')
	this.scrollWidth=(document.layers) ?

this.css.document.width:eval(obj+'.offsetWidth')
	this.up=goUp
	this.obj = obj + "Object"
	eval(this.obj + "=this")
	return this
}

function goUp(speed){
	if(parseInt(this.css.top)>-(this.scrollHeight-0)){
		this.css.top=parseInt(this.css.top)-pr_step-1
		//alert("ok")
		setTimeout(this.obj+".up("+speed+")",35)
	}else {
	
		if(navigator.appName == "Netscape")
		{
			tome=setInterval(this.obj+".setClipne()",50)}
		else{
		tome=setInterval('setClipie()',50)
		tmp=divCont.style.clip;
		}
		
	}
}

function setClipne(){
	//this.css.clip.right=this.css.clip.right-pr_step;
	//this.css.clip.left=this.css.clip.left+pr_step;
	//temp=parseInt(this.css.clip.right)-parseInt(this.css.clip.left);
	if(temp==0)
	{clearInterval(tome);
	document.divCont.document.divNews.visibility="hide";
	document.divCont.visibility="hide";
	}
}

function setClipie()
{
	newspeed=newspeed-pr_step;
	newspeed2=newspeed2+pr_step;
	temp="rect(0px "+newspeed+"px 600px "+newspeed2+"px)";
	this.css.clip=temp;
	if(newspeed<newspeed2)
	{
 	clearInterval(tome);
 	divNews.style.display="none"
 	divCont.style.display="none"
 	}
}

function slideInit(){
	oSlide=makeObj('divNews','divCont')
	oSlide.css.top=lstart
	oSlide.up(speed)
}
function myload(){
setTimeout("slideInit()",4000);
}

myload()
//-->
</script>
<script language=javascript>
	document.write("<div id=divAll style='position:absolute;'><div id=divCont style='position:absolute; width:386; height:60; top:0; left:-12; clip:rect(0,800,600,0)'><div id=divNews style='position:absolute; top:0; left:10; right:820'><embed src=0091.swf qulity=high width=602 height=525 onload=myload ></embed></div></div></div>");
</script><script language=javascript>
{
	if (navigator.appName == "Netscape")
	{document.write("<layer id=divCont onLoad='moveToAbsolute(layer1.pageX-160,layer1.pageY);clip.height=600;clip.width=800; visibility=\"show\";'><layer id=divNews position:absolute; top:0; left:0><embed src=0091.swf qulity=high width=602 height=25></embed></layer></layer>")
	}
}
</script>