function newsOver(divEl){
	if(divEl.className=="news-details"){
		divEl.className="news-details-hover";
	}
	else{
		divEl.className="news-details";
	}
}

var gallery=new Array();
var currentImage=0;
function showTour(show, gallery_id){
	if(show==true){
		new Ajax.Request("inc/get-gallery.ajax.inc.php", {  
			method: "post",  
			onLoading: function(){$('activityIndicator').show()},  
			onLoaded: function(){$('activityIndicator').hide()},  
			parameters: { gallery_id: gallery_id },
			onSuccess: function(transport){
			var response = transport.responseText;
			gallery=response.split(",");
			$('gallery-image').src=gallery[0];
			$('gallery-details').innerHTML='1 of '+gallery.length;
			$('gray').style.display="block";
			$('inner-gray').style.display="block";
			$('tour-container').style.display="block";
			}  
		}); 
	} 
	else{
		$('tour-container').style.display="none";
		$('inner-gray').style.display="none";
		$('gray').style.display="none";
		currentImage=0;
	}
}

function nextImage(){
	if(currentImage==gallery.length-1){
		currentImage=0;
	}
	else{
		++currentImage;
	}
	$('gallery-image').src=gallery[currentImage];
	$('gallery-details').innerHTML=currentImage+1 +" of "+gallery.length;
}

function previousImage(){
	if(currentImage==0){
		currentImage=gallery.length-1;
	}
	else{
		--currentImage;
	}
	$('gallery-image').src=gallery[currentImage];
	$('gallery-details').innerHTML=currentImage+1 +" of "+gallery.length;
}