$(document).ready(function () {
    // OPEN MAIN CODE AREA
	
    // Identify the objects to manipulate
    var $anchors = $('#mainnav a'); // the main navigation menu items
	
   $anchors.hover( 
     	function() {  
      		var id = $(this).attr('rel');
			var divClassRo = id + '-ro';
       	    $('#' + id).addClass(divClassRo); 
     		},  
     	function() {  
      		var id = $(this).attr('rel');
			var divClassRo = id + '-ro';
      		$('#' + id).removeClass(divClassRo);
     		}  
    );  



// CLOSE DOCUMENT READY
});