function switchImage(imgName, imgSrc, align) 
{

var imageSwitch = document.getElementById(imgName);

imageSwitch.src = "images/loading.gif";

if (imgSrc != "none")
    {
	    imageSwitch.src = imgSrc;
	  
	  	if (align == "h")
    	{
		imageSwitch.className = "hgalleryimage";
		}
  		if (align == "v")
   	 	{		
		imageSwitch.className = "vgalleryimage";
		}
    }  
}