// JavaScript Document

//Use 24-bit PNG images as background images
if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
	window.attachEvent("onload", alphaBackgrounds);
}

function alphaBackgrounds(){
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5 && Number(rslt[1]) < 7);
	for (i=0; i<document.all.length; i++){
		var bg = document.all[i].currentStyle.backgroundImage;
		if (itsAllGood && bg){
			if (bg.match(/\.png/i) != null){
				var mypng = bg.substring(5,bg.length-2);
				document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+mypng+"', sizingMethod='scale')";
				document.all[i].style.backgroundImage = "url('images/clear.gif')";
			}
		}
	}
}

//Use 24-bit PNG images as background images
if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
	document.writeln('<style type="text/css">img { visibility:hidden; } <\/style>');
	window.attachEvent("onload", fnLoadPngs);
}

function fnLoadPngs() {
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5 && Number(rslt[1]) < 7);

	for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
		if (itsAllGood && img.src.match(/\.png$/i) != null) {
			var src = img.src;
			img.style.width = img.width + "px";
			img.style.height = img.height + "px";
			img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
			img.src = "images/clear.gif";
		}
		img.style.visibility = "visible";
	}
}

function openWin(url, mywin, w, h) {
		xpos = (screen.width -w)/2;
		ypos = (screen.height - h)/2;
	window.open(url, mywin, 'toolbar=0,height='+h+',width='+w+',left='+xpos+',top='+ypos+'');
}