// Drop-in content box- By Dynamic Drive
// For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
// This credit MUST stay intact for use

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)<100+scroll_top) {
    crossobj.top=parseInt(crossobj.top)+150+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 && document.compatMode!="BackCompat")? document.documentElement : document.body
}