var ie=document.all
var dom=document.getElementById
var ns4=document.layers
var calunits=document.layers? "" : "px"

var bouncelimit=32 //(must be divisible by 8)
var direction="up"
	
function initbox()
	{
	if (!dom&&!ie&&!ns4)
		return
	crossobj=(dom)?document.getElementById("dropin").style : ie? document.all.dropin : document.dropin
	scroll_top=(ie)? truebody().scrollTop : window.pageYOffset
	crossobj.top=scroll_top-150+calunits
	crossobj.visibility=(dom||ie)? "visible" : "show"
	dropstart=setInterval("dropin()",50)
	}
	
function dropin()
	{
	scroll_top=(ie)? truebody().scrollTop : window.pageYOffset
	if (parseInt(crossobj.top)<100+scroll_top)
		crossobj.top=parseInt(crossobj.top)+40+calunits
			else
				{
				clearInterval(dropstart)
				bouncestart=setInterval("bouncein()", 50)
				}
	}
	
function bouncein()
	{
	crossobj.top=parseInt(crossobj.top)-bouncelimit+calunits
	if (bouncelimit<0)
		bouncelimit+=8
	
	bouncelimit=bouncelimit*-1
		
	if (bouncelimit==0)
		{
		clearInterval(bouncestart)
		}
	}
	
function dismissbox()
	{
	if (window.bouncestart) clearInterval(bouncestart)
		crossobj.visibility="hidden"
	}
	
function truebody()
	{
	return (document.compatMode!="BackCompat")? document.documentElement : document.body
	}
	
	
window.onload=initbox