//-------------------------------------------------------------------------------
//	Dynamic Ventures, Inc.
//	BioCentury - Home pages
//
//	JavaScript for promo boxes: Slide - Show
//-------------------------------------------------------------------------------
var tickspeed		= 15000 //ticker speed in miliseconds (1000 = 1 seconds)
var enablesubject	= 0 //enable scroller subject? Set to 0 to hide

// Firefox, Netscape
/*if (document.getElementById)
{
	document.write('<style type="text/css">\n')
	document.write('.dropcontent{display:none;}\n')
	document.write('</style>\n')
}*/

var selectedDiv=0
var totalDivs=0
var timerid=0;

function contractall()
{
	var inc=0
	while (document.getElementById("slidenumber"+inc))
	{
		document.getElementById("slidenumber"+inc).style.display="none"
		inc++
	}
}

function expandone()
{
	var selectedDivObj = document.getElementById("slidenumber"+selectedDiv)
	contractall()
	document.getElementById("PromoBox_in_subject").innerHTML = selectedDivObj.getAttribute("subject")
	selectedDivObj.style.display = "block"
	selectedDiv=(selectedDiv<totalDivs-1)? selectedDiv+1 : 0
	timerid=setTimeout("expandone()",tickspeed)
}

function startscroller()
{
	while (document.getElementById("slidenumber"+totalDivs)!=null)
		totalDivs++
	expandone()
	if (!enablesubject)
		document.getElementById("PromoBox_in_subject").style.display="none"
}


function HideMoreIfNoNeeded()
{
	var alldivs = document.getElementsByTagName("div");
	var numOfSlides = 0;
	for (var i = 0; i < alldivs.length; i++)
	{
		if (alldivs[i].id.indexOf('slidenumber') == 0)
		{
			numOfSlides++;
		}
	}
	//if (document.getElementById('SecondDiv').clientHeight <= document.getElementById('slidenumber0').clientHeight)
	if (numOfSlides <= 1)
	{
		document.getElementById('MoreDiv').style.visibility = "hidden";
		document.getElementById('MoreDiv').style.display = "none";		
	}
}

if (window.addEventListener)
	window.addEventListener("load", startscroller, false)
else if (window.attachEvent)
	window.attachEvent("onload", startscroller)