	    function ShowEdition(anchorId)
	    {
	        var obj = document.getElementById(anchorId);
	    	if(obj.getAttribute("href"))
	    	{
				var edition_img = document.getElementById(edition_img_id);
				if(edition_img.src != edition_img.src.substr(0,edition_img.src.lastIndexOf("/")+1) + obj.getAttribute("displayImg"))
				{
					edition_img.src = edition_img.src.substr(0,edition_img.src.lastIndexOf("/")+1) + obj.getAttribute("displayImg");
					for(var index=1;;index++)
					{
						var anchor = document.getElementById(anchor_prefix + index);
						if(anchor != null)
						{
							if(obj.id != anchor.id)
							{
								disableAnchor(anchor.id);
								anchor.style.color = disableColor;
							}
						}
						else
						{
							break;
						}
					}
				}
				else
				{
					edition_img.src = edition_img.src.substr(0,edition_img.src.lastIndexOf("/")+1) + all_editions_image;
					for(var index=1;;index++)
					{
						var anchor = document.getElementById(anchor_prefix + index);
						if(anchor != null)
						{
							if(obj.id != anchor.id)
							{
								enableAnchor(anchor.id);
								anchor.style.color = enableColor;
							}
						}
						else
						{
							break;
						}
					}
				}
			}
	        return false;
	    }
	    function disableAnchor(anchorId)
	    {
	        var obj = document.getElementById(anchorId);
	        var href = obj.getAttribute("href");
	        if(href && href != "" && href != null)
	        {
	           obj.setAttribute('href_bak', href);
	        }
	        obj.removeAttribute('href');
	    }
	    function enableAnchor(anchorId)
	    {
	        var obj = document.getElementById(anchorId);
	        obj.setAttribute('href', obj.getAttribute('href_bak'));
	    }