function fuc_pngBackground(id, src) {
	var object = document.getElementById(id).style
	if (pngAlpha) {
		object.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '", sizingMethod="scale")';
	} else {
		object.backgroundImage = 'url("' + src + '")';
	}
}
//---------------------------------------------------------------
function fuc_pngImage(src, alt) {
	if (pngAlpha) {
		document.write('<img src="images/spacer.gif" alt="' + alt + '" style="filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\',1)" />');
	} else {
		document.write('<img src="' + src + '" alt="' + alt + '" />');
	}
}
//---------------------------------------------------------------
var pngAlpha = ((browser.isIE55 || browser.isIE6up) && browser.isWin32) ? true : false;