function bindMouseOver(className) {
	var className = '.'+className;	
	$(className).hover(function (i) { 
		var imageSrc = $(this).attr("src");			
		var imageNewSrc = imageSrc.replace(/(.gif|.jpg|.jpeg|.png|.bmp)$/i,"_on$1");
		$(this).attr("src",imageNewSrc); 
	},function () { 
		var imageSrc = $(this).attr("src");			
		var imageNewSrc = imageSrc.replace(/_on/i,'');
		$(this).attr("src",imageNewSrc); 
	});
}