function toggleLayer( whichLayer, whichParent )
{
	var elem, vis, par, styl;
	
	if( document.getElementById ) {
		elem = document.getElementById( whichLayer );
		par = document.getElementById( whichParent );
		}
	else if( document.all ) {
		elem = document.all[whichLayer];
		par = document.all[whichParent];
		}
	else if( document.layers ) {
		elem = document.layers[whichLayer];
		par = document.layers[whichParent];
		}
		
	vis = elem.style;
	
	if(par!=null) {
		styl = par.style;
		str = styl.backgroundImage;
		result=str.search(/(down)+/ig);
		
		if(result>0) {
			styl.backgroundImage = "url(/images/list-arrow.gif)";
		} else {
			styl.backgroundImage = "url(/images/list-arrow-down.gif)";
		}
		
		styl.paddingLeft = (styl.paddingLeft=='25px')?'15px':'25px';
	}
	
	// if the style.display value is blank we try to figure it out here
	if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
		vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';

	vis.display = (vis.display==''||vis.display=='block')?'none':'block';

}

function theRotator() {
	//Set the opacity of all images to 0
	$('div#rotator ul li').css({opacity: 0.0});
	
	//Get the first image and display it (gets set to full opacity)
	$('div#rotator ul li:first').css({opacity: 1.0});
		
	//Call the rotator function to run the slideshow, 6000 = change to next image after 6 seconds
	setInterval('rotate()',6000);
	
}

function rotate() {	
	//Get the first image
	var current = ($('div#rotator ul li.show')?  $('div#rotator ul li.show') : $('div#rotator ul li:first'));

	//Get next image, when it reaches the end, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().hasClass('show')) ? $('div#rotator ul li:first') :current.next()) : $('div#rotator ul li:first'));	
	
	//Set the fade in effect for the next image, the show class has higher z-index
	next.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 1000);

	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	
};
