jQuery.preloadImages = function() {
  for(var i = 0; i<arguments.length; i++) {
    jQuery("<img>").attr("src", arguments[i])
  }
}
$(function() {
  $('.rollover').hover(
    function() {
      this.src = this.src.replace('_off','_on')
    },
    function() {
      this.src = this.src.replace('_on','_off')
    }
  )
})
$(window).bind('load', function() {
  if($('#right-col').height() < $('#main-col').height()) {
    $('#right-col').height($('#main-col').height())
  }
});
$(document).ready(function() {			
	//Execute the slideShow, set 4 seconds for each images
	slideShow(6000);
});
function slideShow(speed) {
	//append a LI item to the UL list for displaying caption
	$('ul.slideshow').append('<li id="slideshow-caption" class="caption"><div class="slideshow-caption-container"><h3></h3><p></p></div></li>');
	//Set the opacity of all images to 0
	$('ul.slideshow li').css({opacity: 0.0});
	//Get the first image and display it (set it to full opacity)
	$('ul.slideshow li:first').css({opacity: 1.0});
	//Get the caption of the first image from REL attribute and display it
	$('#slideshow-caption h3').html($('ul.slideshow a:first').find('img').attr('title'));
	$('#slideshow-caption p').html($('ul.slideshow a:first').find('img').attr('alt'));
	//Display the caption
	$('#slideshow-caption').css({opacity: 0.7, bottom:0});
	//Call the gallery function to run the slideshow	
	var timer = setInterval('gallery()',speed);
	//pause the slideshow on mouse over
	$('ul.slideshow').hover(
		function () {
			clearInterval(timer);	
		}, 	
		function () {
			timer = setInterval('gallery()',speed);			
		}
	);
}
function gallery() {
	//if no IMGs have the show class, grab the first image
	var current = ($('ul.slideshow li.show')?  $('ul.slideshow li.show') : $('#ul.slideshow li:first'));
	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().attr('id') == 'slideshow-caption')? $('ul.slideshow li:first') :current.next()) : $('ul.slideshow li:first'));
	//Get next image caption
	var title = next.find('img').attr('title');	
	var desc = next.find('img').attr('alt');	
	//Set the fade in effect for the next image, show class has higher z-index
	next.css({opacity: 0.0}).addClass('show').animate({opacity: 1.0}, 1000);
	//Hide the caption first, and then set and display the caption
	$('#slideshow-caption').animate({bottom:-70}, 300, function () {
			//Display the content
			$('#slideshow-caption h3').html(title);
			$('#slideshow-caption p').html(desc);				
			$('#slideshow-caption').animate({bottom:0}, 500);	
	});		
	//Hide the current image
	current.animate({opacity: 0.0}, 1000).removeClass('show');
}