(function( $ ){
	var methods = {
		
	}
	$.fn.imageRollOver = function(suffix){
		$(this).mouseover(function(){
			var src = $(this).attr("src");
			var splitPeriod = src.split(".");
			var extension = splitPeriod.pop();
			var filePath = splitPeriod.join(".");
			$(this).attr("src", filePath+suffix+"."+extension);
		}).mouseleave(function(){
			var src = $(this).attr("src");
			var splitPeriod = src.split("_roll");
			$(this).attr("src", splitPeriod.join(""));
		});
	};
	
})( jQuery );