/**************************************************************


	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php

**************************************************************/

function initRollovers() {
	if (!document.getElementById) return

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {

		if (aImages[i].className == 'imgover') {

			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);

			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;

			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}

			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}

		}

	}
}

function popWindow(address, width, height) {
if (screen) {
   y=(screen.availHeight - height)/2;
   x=(screen.availWidth - width)/2;
 }

 if (screen.availWidth > 1800) {
   x=((screen.availWidth/2) - width)/2;
 }

  var popup = window.open(address, 'popup' , 'toolbar=0,location=0,directories=0,status=1,menubar=0,resizable=1,scrollbars=1,width='+ width + ',height=' + height +',screenX='+x+',screenY='+y+',top='+y+',left='+x);
}