function onOnNavLinkOver(style){
		var homePicture = document.getElementById("home-picture");
		if(dojo.hasAttr(homePicture, "current-home-picture-style")){			
			dojo.removeClass(homePicture, dojo.attr(homePicture, "current-home-picture-style"));
		}
		
		/*
		Hide enlarged image when mouse moves out of anchor link?hideimgmouseout: false, 
		Hide enlarged image when mouse moves out of anchor link?				
		*/
		hideimgmouseout: false;
		dojo.attr(homePicture, {"current-home-picture-style": style});
		dojo.addClass(homePicture, style);
	}
	function showPreview(imagePath,imageIndex){
		var subImages = document.getElementById('previewPane').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			document.getElementById('previewPane').appendChild(img);
		}else img = subImages[0];
		
		if(displayWaitMessage){
			document.getElementById('waitMessage').style.display='inline';
		}
		document.getElementById('largeImageCaption').style.display='none';
		img.onload = function() { hideWaitMessageAndShowCaption(imageIndex-1); };
		img.src = imagePath;
	}
	
	dojo.addOnLoad(
		function(){
			onOnNavLinkOver('home-picture-green');
		}
	);