$(document).ready(function(){
	$('.facebook').hover(function(){
		$(this).children('img').attr('src','./_img/facebook-hover.png');
		},
	function() {
		$(this).children('img').attr('src','./_img/facebook.png');
	});
	$('.students').hover(function(){
		$(this).attr('src','./_img/students-hover.png');
		},
	function() {
		$(this).attr('src','./_img/students.png');
	});

	
	$('.icon-container').hover(function(){
		var hover = $(this).children('img:first-child').attr('src');
		if(!/hover/.test(hover)){
			hover = hover.substr(0,hover.length-4)+'-hover.png';
			$(this).children('img:first-child').attr('src', hover);
		}
	},
	function(){
		var hover = $(this).children('img:first-child').attr('src');
		if(/hover/.test(hover)){
			hover = hover.substr(0,hover.length-10)+'.png';
			$(this).children('img:first-child').attr('src', hover);
		}
	});
	
	$('#footer').hover(function(){
	var hover = $(this).children('img:first-child').attr('src');
		if(!/hover/.test(hover)){
			hover = hover.substr(0,hover.length-4)+'-hover.png';
			$(this).children('img:first-child').attr('src', hover);
		}
	},
	function(){
		var hover = $(this).children('img:first-child').attr('src');
		if(/hover/.test(hover)){
			hover = hover.substr(0,hover.length-10)+'.png';
			$(this).children('img:first-child').attr('src', hover);
		}
	});
});