/***********************************************
* Amazon style Drop-in content box- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Visit DynamicDrive.com for hundreds of DHTML scripts
* This notice must stay intact for legal use
* Go to http://www.dynamicdrive.com/ for full source code
*  Modified to work on mouse click
***********************************************/

var dropboxleft=0 //set left position of box (in px)
var dropboxtop=100 //set top position of box (in px)
var dropspeed=1000 //set speed of drop animation (larger=faster)


///Don't edit beyond here///////////

var ie=document.all;
var dom=document.getElementById;

function initbox(n) {
	if (!dom&&!ie)
		return;
	dismissbox();	
	var covername = "dropinboxcover"+n;
	var boxname = "dropinbox"+n; 
	crossboxcover=document.getElementById(covername);
	crossbox=document.getElementById(boxname); 
	scroll_top=(ie)? truebody().scrollTop : window.pageYOffset;
	crossbox.height=crossbox.offsetHeight;
	crossboxcover.style.height=parseInt(crossbox.height)+"px";
	crossbox.style.top=crossbox.height*(-1)+"px";
	crossboxcover.style.left=dropboxleft+"px";
	crossboxcover.style.top=dropboxtop+"px";
	crossboxcover.style.visibility=(dom||ie)? "visible" : "show";
	dropstart=setInterval("dropin()",50);
}

function dropin(){
	scroll_top=(ie)? truebody().scrollTop : window.pageYOffset;
	if (parseInt(crossbox.style.top)<0) {
		crossboxcover.style.top=scroll_top+dropboxtop+"px";
		crossbox.style.top=parseInt(crossbox.style.top)+dropspeed+"px";
	}
	else {
		clearInterval(dropstart);
		crossbox.style.top=0;
	}
}

function dismissbox(){
	if (window.dropstart) 
		clearInterval(dropstart);
	for (i=1; i<=numDropInBoxes; i++) {
		var n = "dropinboxcover"+i;
		document.getElementById(n).style.visibility="hidden";
	}
}

function truebody() {
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}