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-250+calunits

crossobj.visibility=(dom||ie)? "visible" : "show"

dropstart=setInterval("dropin()",50)

}



function dropin(){

scroll_top=(ie)? truebody().scrollTop : window.pageYOffset

if (parseInt(crossobj.top)<35+scroll_top)

crossobj.top=parseInt(crossobj.top)+40+calunits

else{

clearInterval(dropstart)

bouncestart=setInterval("bouncein()",20)

}

}



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 && document.compatMode!="BackCompat")? document.documentElement : document.body

}