$(document).ready(function() {
// navigation functions	
		var studentsA = $('#studentsA').attr('href');
		var prosA = $('#prosA').attr('href');
		var investorsA = $('#investorsA').attr('href');
		var partnersA = $('#partnersA').attr('href');
		$('#students_over').click(function() {
			window.location.href = studentsA;							   
		});
		$('#students_over').hover(function() {
			$('#students_over').css('background-image', 'url(/img/ICC_AUDIENCE_on_r1_c1.jpg)');
				}, function() {
			$('#students_over').css('background-image', 'url(/img/ICC_AUDIENCE_off_r1_c1.jpg)');
		});
		$('#pros_over').hover(function() {
			$('#pros_over').css('background-image', 'url(/img/ICC_AUDIENCE_on_r1_c2.jpg)');
				}, function() {
			$('#pros_over').css('background-image', 'url(/img/ICC_AUDIENCE_off_r1_c2.jpg)');
		});
		$('#investors_over').hover(function() {
			$('#investors_over').css('background-image', 'url(/img/ICC_AUDIENCE_on_r1_c3.jpg)');
				}, function() {
			$('#investors_over').css('background-image', 'url(/img/ICC_AUDIENCE_off_r1_c3.jpg)');
		});
		$('#partners_over').hover(function() {
			$('#partners_over').css('background-image', 'url(/img/ICC_AUDIENCE_on_r1_c4.jpg)');
				}, function() {
			$('#partners_over').css('background-image', 'url(/img/ICC_AUDIENCE_off_r1_c4.jpg)');
		});

});