/* Lib.JS by BarkingSparrows.com */
/*------------------------------------------------------------*/

/* getBrowserHeight adapted from: www.uxmag.com via www.particletree.com */

		function getBrowserHeight(){
			if (window.innerHeight){
				return window.innerHeight;}	
			else if (document.documentElement && document.documentElement.clientHeight != 0){
				return document.documentElement.clientHeight;	}
			else if (document.body){return document.body.clientHeight;}		
				return 0;
		}

		
		
/* centerDiv merely finds the top margin of the container Div based on browser height*/

function centerDivContainer() {
	var scrHeight = getBrowserHeight();
	var topMargin = (scrHeight/2)-195;
	if (topMargin < 20) {
	topMargin = 20;
	};
	topMargin = topMargin + "px"
	return topMargin;
};

/* image replacement/rollover scripts, modified with thanks to quirksmode.org */

var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOvers = new Array();
var mouseOuts = new Array();

window.onload = init;

function init()
{
	if (!W3CDOM) return;
	var nav = document.getElementById('affiliates');
	var imgs = nav.getElementsByTagName('img');
	for (var i=0;i<imgs.length;i++)
	{
		imgs[i].onmouseover = mouseGoesOver;
		imgs[i].onmouseout = mouseGoesOut;
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i] = new Image();
		mouseOuts[i].src = imgs[i].src;
		mouseOvers[i] = new Image();
		mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "-omo" + suffix;
		imgs[i].number = i;
	}
}

function mouseGoesOver()
{
	this.src = mouseOvers[this.number].src;
}

function mouseGoesOut()
{
	this.src = mouseOuts[this.number].src;
}