/**
 * 
 * 
 */

var imageRotatorInterval = 0;

jQuery("document").ready(function() {
	
	jQuery('ul.sf-menu').supersubs({ 
        minWidth:    12,   // minimum width of sub-menus in em units 
        maxWidth:    27,   // maximum width of sub-menus in em units 
        extraWidth:  1     // extra width can ensure lines don't sometimes turn over 
                           // due to slight rounding differences and font-family 
    }).superfish();
    
    if ('#image_rotator') {
    	
    	jQuery('.main_image .desc').show(); //Show Banner
    	jQuery('.main_image .block').animate({ opacity: 0.65 }, 1 ); //Set Opacity
    	jQuery('.image_thumb ul li:first').addClass('active'); //Add the active class (highlights the very first list item by default)

    	// runs function on image thumb click
    	jQuery('.image_thumb ul li').click(function () {
    		$active = jQuery(this);
    		slideSwitchClick();
    		// clear auto rotation after click
    		clearInterval(imageRotatorInterval);
    		return false;
    		
    	}).hover(function() { 
    		// hover effects on list-item, dd class 'hover' on hover
    		jQuery(this).addClass('hover');
    	}, function() {
    		jQuery(this).removeClass('hover'); // remove class 'hover' on hover out
    	});

    	// start auto rotation interval
    	jQuery(function() {
    		imageRotatorInterval = setInterval( 'slideSwitchTimed()', 7000 );
    	});
    }
    
});


function slideSwitchTimed() {
	$active = jQuery('.image_thumb ul li.active').next();
	if ( $active.length == 0 ) $active = jQuery('.image_thumb ul li:first'); //goes back to start when finishes
	slideSwitch();
}

function slideSwitchClick() {
	slideSwitch();
}

function slideSwitch() {
	var $prev = jQuery('.image_thumb ul li.active');
	
	//Show active list-item
	$prev.removeClass('active');
	$active.addClass('active');
	
	//Set Variables
	var imgAlt = $active.find('img').attr('alt'); //Get Alt Tag of Image
	var imgSrc = $active.find('img').attr('src'); //Get Alt Tag of Image    	    
	var imgDesc = $active.find('.block').html();  //Get HTML of the 'block' container
	var imgDescHeight = jQuery('.main_image').find('.block').height(); //Find the height of the 'block'
	
	if (jQuery(this).is('.active')) {  //If the list item is active/selected, then...
		return false; // Don't click through - Prevents repetitive animations on active/selected list-item
	} else { //If not active then...
		//Animate the Description
		jQuery(".main_image img").animate({ opacity: 0}, 250 );
		jQuery('.main_image .block').animate({ opacity: 0, marginBottom: -imgDescHeight }, 250 , function() { //Pull the block down (negative bottom margin of its own height)
			jQuery('.main_image .block').html(imgDesc).animate({ opacity: 0.85,  marginBottom: '0' }, 250 ); //swap the html of the block, then pull the block container back up and set opacity
			jQuery('.main_image img').attr({ src: imgSrc , alt: imgAlt}).animate({ opacity: 1}, 250 ); //Switch the main image (URL + alt tag)
		});
	}
	return false;
}