$(document).ready(function(){
		window.onload = function() {opening_anim();} 	
		
		 function opening_anim () {
			$('#main_nav').fadeIn('slow', function() {
        	// Animation complete
     		});
			
			$('#main_content').delay(400).fadeIn('slow', function() {
        	// Animation complete
     		});
			
		 }

		 

     });