function fixPNG(element)
{
	if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
	{
		var src;

		if (element.tagName=='IMG')
		{
			if (/\.png$/.test(element.src))
			{
				src = element.src;
				element.src = "image/spacer.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='crop')";
	}
}

function show(elem, todo, on) {
    if (todo == 1) {
        document.getElementById(elem).style.display = "block";
	document.getElementById(on).id = on+"_on";
    } else {
        document.getElementById(elem).style.display = "none";
	document.getElementById(on+"_on").id = on;
    }
}