/*-------------------------
Rollover
-------------------------*/
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 == 'rollover')
		{
			var src = aImages [i].getAttribute ('src');
			var ftype = src.substring (src.lastIndexOf ('.') , src.length);
			var hsrc = src.replace (ftype, '_sw' + 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 ('_o' + ftype, ftype);
				this.setAttribute ('src', sTempSrc);
			}
		}
	}
}
try
{
	window.addEventListener ("load", initRollovers, false);
}catch (e)
{
	window.attachEvent ("onload", initRollovers);
}