var ie=document.all
 
var dom = document.getElementById
 
var ns4 = document.layers
 
var bouncelimit = 32
 
var direction = "up"
 
var crossobj = null;
function initbox()
{
if (!dom&&!ie&&!ns4)
return;
 
crossobj=(dom)?document.getElementById("dropin") : ie? document.all.dropin : document.dropin
 
scroll_top=(ie)? document.body.scrollTop : window.pageYOffset
crossobj.style.top = scroll_top-250 + "px"
 
crossobj.style.visibility=(dom||ie)? "visible" : "show"
 
dropstart = setInterval("dropin()", 50)
 
}
 
function dropin(){
 
scroll_top=(ie)? document.body.scrollTop : window.pageYOffset
 
if (parseInt(crossobj.style.top)<100+scroll_top)
 
crossobj.style.top = parseInt(crossobj.style.top) + 40 + "px"
 
else{
 
clearInterval (dropstart)
 
bouncestart = setInterval("bouncein()", 50)
 
}
 
}
 
function bouncein(){
 
crossobj.style.top = parseInt(crossobj.style.top) - bouncelimit + "px"
 
if (bouncelimit<0)
 
bouncelimit+=8
 
bouncelimit = bouncelimit * -1
 
if (bouncelimit==0){
 
clearInterval (bouncestart)
 
}
 
}
 
function dismissbox(){
 
if (window.bouncestart) clearInterval(bouncestart)
 
crossobj.style.visibility = "hidden"
 
}