// 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=48 //(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)<50+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 && document.compatMode!="BackCompat")? document.documentElement : document.body
}


function get_cookie(Name) {
	var search = Name + "="
	var returnvalue = ""
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search)
		if (offset != -1) {
			offset += search.length
			end = document.cookie.indexOf(";", offset)
			if (end == -1)
			end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}
	return returnvalue;
}
function setCookie(name, val) {
	var expCookieDays = 30;
	var exp = new Date();
	var cookieTimeToLive = exp.getTime() + (expCookieDays * 24 * 60 * 60 * 1000);
	exp.setTime(cookieTimeToLive);
	document.cookie = name + "=" + escape(val) + "; expires=" + exp.toGMTString();
}

function dropornot(){
	if (get_cookie("droppedin")==""){
		initbox();
		setCookie("droppedin", "yes");
	}
}