$(document).ready(function() {
	
		$(".logoimg").hover(function(){
			var file = $(this).attr("src");
			file = file.replace("_gr","_over");
			$(this).attr("src",file);
		},function(){
			var file = $(this).attr("src");
			file = file.replace("_over","_gr");
			$(this).attr("src",file);
		})
	
	

	
});