jQuery(document).ready(function() {
								
$(".roll").hover(
function()
{
this.src = this.src.replace(".jpg","-on.jpg");
},
function()
{
this.src = this.src.replace("-on.jpg",".jpg");
}
);

var url = document.URL;
var pathname = url.substring(url.lastIndexOf('/')+1);
		
		switch(pathname)
		{
		case 'index.htm':
		  $('#nav1').attr({src : "images/home-on.jpg"});
		  $('#nav1').unbind();
		  break;
		  case 'port-douglas-accommodation.htm':
		  $('#nav2').attr({src : "images/accommodation-on.jpg"});
		 $('#nav2').unbind();
		  break;
		  case 'port-douglas-location.htm':
		  $('#nav3').attr({src : "images/location-on.jpg"});
		  $('#nav3').unbind();
		  break;	
		case 'port-douglas-attractions.htm':
		  $("#nav4").attr({src : "images/attractions-on.jpg"});
		  $('#nav4').unbind();
		  break;
			case 'index.php?act=cnt&pg=form':
		  $('#nav5').attr({src : "images/reservations-on.jpg"});
		  $('#nav5').unbind();
		  break;
		  	case 'index.php?act=cnt&pg=form2':   
		  $('#nav5').attr({src : "images/reservations-on.jpg"});
		  $('#nav5').unbind();
		  break;
		case 'port-douglas-guestbook.htm':
		  $('#nav6').attr({src : "images/guest-reviews-on.jpg"});
		 $('#nav6').unbind();
		  break;
		case 'coral-sea-contact.htm':
		  $('#nav7').attr({src : "images/contact-on.jpg"});
		  $('#nav7').unbind();
		  break;
		}
});