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

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

window.onload = init;

function init()
{
	if (!W3CDOM) return;

	var imgs = document.getElementsByTagName('img');
	var img_cnt = imgs.length;
	for (var i=0;i<imgs.length;i++)
	{
		if(imgs[i].id.indexOf('mouseover') != -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('.')) + "_over" + suffix;
		imgs[i].number = i;
		}
	}

	var imgs = document.getElementsByTagName('input');
	for (var i=0;i<imgs.length;i++)
	{
		if(imgs[i].id.indexOf('mouseover') != -1) {
		imgs[i].onmouseover = mouseGoesOver;
		imgs[i].onmouseout = mouseGoesOut;
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i + img_cnt] = new Image();
		mouseOuts[i + img_cnt].src = imgs[i].src;
		mouseOvers[i + img_cnt] = new Image();
		mouseOvers[i + img_cnt].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "_over" + suffix;
		imgs[i].number = i + img_cnt;
		}
	}

}

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

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

function openWin(url, name, w, h, perc, scroll, resize) {
	var winX = (screen.availWidth - w)*perc*.01;
	var winY = (screen.availHeight - h)*perc*.01;
	return window.open(url, name,'width=' + w + ',height=' + h + ',left=' + winX + ',top=' + winY + ',scrollbars=' + scroll + ',resizable=' + resize);
}

function openWinCentered(mypage, myname, w, h, scroll, resize) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable='+resize;
	return window.open(mypage, myname, winprops)
}