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"



}