/**
 * W3C DOM script to "auto-create" rollovers
  */
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('helmet');
	var imgs = nav.getElementsByTagName('img');
	for (var i=0;i<imgs.length;i++) {
    	if( (imgs[i].src.indexOf('_omo') == -1) && (imgs[i].src.indexOf('contact_info') == -1)  )
    	{
    		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;
}