var imatgeActiva = false;
	var imageGalleryCaptions = new Array();
  var displayWaitMessage=true;	// Display a please wait message while images are loading?
	
	function mostraImatge()
	{
		if(imatgeActiva){
			imatgeActiva.style.filter = 'alpha(opacity=50)';	
			imatgeActiva.style.opacity = 0.5;
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		imatgeActiva = this;	
	}

		function showPreview(imagePath,imageIndex){
		var subImages = document.getElementById('imatge').getElementsByTagName('IMG');
		if(subImages.length==0){
			var img = document.createElement('IMG');
			document.getElementById('imatge').appendChild(img);
		}else img = subImages[0];
		
		if(displayWaitMessage){
			document.getElementById('waitMessage').style.display='none';
		}
		document.getElementById('largeImageCaption').style.display='none';
		img.onload = function() { amagaInfo(imageIndex-1); };
		img.src = imagePath;
		
	}
	function amagaInfo(imageIndex)
	{
		document.getElementById('waitMessage').style.display='none';	
		document.getElementById('largeImageCaption').innerHTML = imageGalleryCaptions[imageIndex];
		document.getElementById('largeImageCaption').style.display='none';
		
	}