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 = "/f/blank.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')";
	}
}
function max_height(element, value) {
	return (element.parentNode.clientHeight >= value ? (value + 'px') : '100%');
}
function max_width(element, value) {
	return (element.parentNode.clientWidth >= value ? (value + 'px') : '100%');
}
function min_height(element, value) {
	return (element.parentNode.clientHeight <= value ? (value + 'px') : '100%');
}
function min_width(element, value) {
	return (element.parentNode.clientWidth <= value ? (value + 'px') : '100%');
}