Event.observe(window, 'load', function(){
	
	
	$$('div.vidtitle').each(function(t){
		Event.observe(t, 'click', function(){
			
			switch(t.id){
		
			case 'vidtitle_01':
			Effect.toggle('vid_bubble_1', 'appear', {duration: 0.3, afterFinish: function() {
				if ($('im_minimise1').src.indexOf('plus_button.jpg') > -1) {
				$('im_minimise1').src = "img/videowall/minus_button.jpg";
				}
				else {
					$('im_minimise1').src = "img/videowall/plus_button.jpg";
				}
			}
			});
			break;
			
			case 'vidtitle_02':
			Effect.toggle('vid_bubble_2', 'appear', {duration: 0.3, afterFinish: function() {
				if ($('im_minimise2').src.indexOf('plus_button.jpg') > -1) {
					$('im_minimise2').src = "img/videowall/minus_button.jpg";
				}
				else {
					$('im_minimise2').src = "img/videowall/plus_button.jpg";
				}
			}
			});
			break;
			
			case 'vidtitle_03':
			Effect.toggle('vid_bubble_3', 'appear', {duration: 0.3, afterFinish: function() {
				if ($('im_minimise3').src.indexOf('plus_button.jpg') > -1) {
					$('im_minimise3').src = "img/videowall/minus_button.jpg";
				}
				else {
					$('im_minimise3').src = "img/videowall/plus_button.jpg";
				}
			}
			});
			break;
			
			case 'vidtitle_04':
			Effect.toggle('vid_bubble_4', 'appear', {duration: 0.3, afterFinish: function() {
				if ($('im_minimise4').src.indexOf('plus_button.jpg') > -1) {
					$('im_minimise4').src = "img/videowall/minus_button.jpg";
				}
				else {
					$('im_minimise4').src = "img/videowall/plus_button.jpg";
				}
			}
			});
			break;
			
			}
		});	//end Event.observe
	}); //end each
	
}); //end Event.observe window