lstart=0
loop=true
speed=85 
pr_step=2     // 速度，数值越大，速度越快
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) // 设置速度，流畅性比较好
}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()",800);    // 打开时显示flash的停留时间
}

myload()