var ImgViewer = null;
var fadein_opacity = 0;
var fadein_img = null;
		

function changeImg(img) 
	{		
		ImgViewer.src=img;							
	}
	
function PrepareSlide( ImgProjector )
{       
		ImgViewer = document.getElementById( ImgProjector ); 
		SLIDES.image = ImgViewer;
		fadein_opacity = 0;
		fadein_img = SLIDES.image;
		
		SLIDES.post_update_hook = function() { fadein(0); }	
	    SLIDES.play();	
}

		function fadein(opacity)
		{
			if (typeof opacity != 'undefined') fadein_opacity = opacity;
			if (fadein_opacity < 1 && fadein_img && fadein_img.style && typeof fadein_img.style.MozOpacity != 'undefined')
			{ 
				fadein_opacity += .05;
				fadein_img.style.MozOpacity = fadein_opacity;
				setTimeout("fadein()", 50);
			}
		}