// ---------------- functions ----------------
function pngdisplay(image, width, height) 
{
	if(navigator.appName=='Microsoft Internet Explorer') 
	{ 
		document.write('<img src="images/empty.gif" style="width: ' + width + '; height: ' + height + '; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=' + image + ', sizingMethod=scale)"/>');
	} 
	else 
	{
		document.write('<img src="' + image + '" style="width: ' + width + '; height: ' + height + ';"/>');
	}
}