function fixPNG(element)
{
	if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
	{
		var src;
		
		if (element.tagName=='img')
		{
			if (/\.png$/.test(element.style.backgroundImage))
			{
				src = element.src;
				element.src = "/img/space.gif";
			}
		}
		
		else
		{
			src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
			if (src)
			{
				src = src[1];
				element.runtimeStyle.backgroundImage="none";
			}
		}
		
		if (src) element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
	}
}


sfHover = function() 
{
	var sfEls = document.getElementById("submenu").getElementsByTagName("IMG");
	for (var i=0; i<sfEls.length; i++) 
	{
		sfEls[i].onmouseover=function() 
		{
			this.className+=" sfhover";
		}
		
		sfEls[i].onmouseout=function() 
		{
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

function showlayer(name,link_id)
{
	layer = document.getElementById(name);  
	l_id = 'link_'+link_id;
	layer.style.visibility='visible';layer.style.display='block';hidelayer(l_id)
}

function hidelayer(name,link_id)
{
	layer = document.getElementById(name);   
	l_id = 'link_'+link_id;
	layer.style.visibility='hidden';layer.style.display='none';showlayer(l_id)
}