/* =========================================================

// jquery.imghover.js

// Date: 11-04-2008
// Author: Brad Spuhler


// Fancy ImageHover Plugin
// Adds '_on" to the end of the image source. Works with 'gif', 'jpg' and 'png'
// Example: 'my_btn.gif' looks for rollover of 'my_btn_on.gif'

 *
 *  <img src="images/my_image.gif" class="rollover">
 *
 *
 *  $('.rollover').imghover(); 
 *
 
// ========================================================= */

(function($){  
	$.fn.imghover = function(options) {  
		
		var defaults = {  
			extension: "_on"  
		};  
		var currentOn = false;
		
		return $(this).hover(
			function () {
				if( currentOn == false ){
					var newImage = $(this).attr('src').replace(/^(.*?)(\.(?:gif|jpg|png))$/, "$1"+defaults.extension+"$2");
					$(this).attr('src', newImage);
					currentOn = true;
				}else{
					var newImage = $(this).attr('src').replace(defaults.extension, '');
					$(this).attr('src', newImage);
					currentOn = true;
				}
			},
			function() {
				var newImage = $(this).attr('src').replace(defaults.extension, '');
				$(this).attr('src', newImage);
				currentOn = false;
			}
		);
	};  
})(jQuery);