/*
 * taken from: http://peps.ca/blog/easy-image-rollover-script-with-jquery/
 * usage:
 <img src="image1.gif" class="ro" />
 <img src="image2.gif" class="ro" />
 <img src="image3.gif" class="ro" />
 <input type="image" src="image1.gif" class="ro" />
 */


$(document).ready( function()
{
 PEPS.rollover.init();
});

PEPS = {};

PEPS.rollover =
{
 init: function()
 {
	this.preload();
	
	$(".ro").hover(
	   function () { $(this).attr( 'src', PEPS.rollover.newimage($(this).attr('src')) ); },
	   function () { $(this).attr( 'src', PEPS.rollover.oldimage($(this).attr('src')) ); }
	);
 },
 
 preload: function()
 {
	$(window).bind('load', function() {
	   $('.ro').each( function( key, elm ) { $('<img>').attr( 'src', PEPS.rollover.newimage( $(this).attr('src') ) ); });
	});
 },
 
 newimage: function( src ) { return src.substring( 0, src.search(/(\.[a-z]+)/) ) + '_o' + src.match(/(\.[a-z]+)/)[0]; },
 oldimage: function( src ){ return src.replace(/_o/, ''); }
};