(function($) {  
   
 $.fn.imageMouseOver = function(add) {
	 
	var i = 0;
	var old_src = new Array();
	var new_src =new Array();
	var new_pic =new Array();
	
	return this.each(function() {     
		
		var  $this = $(this),
				src = $this.attr('src');
		
		
		
		old_src[i] = src;
		
		new_src[i] = src.substr(0,src.length-4)+add+'.png';
		
		new_pic[i] = new Image($this.width(),$this.height());
		new_pic[i].src = new_src[i];
		
		$this.attr('rel',i);
		
		$this.mouseover(function(){
			$this.attr('src',new_src[$this.attr('rel')]);
		});

		$this.mouseout(function(){
			$this.attr('src',old_src[$this.attr('rel')]);
		});
		
		i++;

	});
	
 }  
 })(jQuery);