var fontSize;
var bd = new BrowserDetect();
if (bd.isWin()) {
  fontSize = "13px";
} else if (bd.isMac()) {
  if (bd.isSafari() || bd.isGecko()) {
    fontSize = "12px";
  }
  if (bd.isOpera() || bd.isIE()) {
    fontSize = "13px";
  }
}
document.writeln("<style type='text/css'><!--");
document.writeln("body { font-size:"+fontSize+"; }");
document.writeln("--></style>");

function BrowserDetect() {
  this.ua = navigator.userAgent;

  // OS
  this.isWin = function() {
    return (this.ua.indexOf("Win") >= 0);
  };
  this.isMac = function() {
    return (this.ua.indexOf("Mac") >= 0);
  };

  // Browser
  this.isIE = function() {
    return (this.ua.indexOf("MSIE") >= 0 && !this.isOpera());
  };
  this.isGecko = function() {
    return (this.ua.indexOf("Gecko/") >= 0);
  };
  this.isSafari = function() {
    return (this.ua.indexOf("Safari") >= 0);
  };
  this.isOpera = function() {
    return (this.ua.indexOf("Opera") >= 0);
  };
}
function pngfix() {
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])

	if ((version >= 5.5) && (document.body.filters)) 
	{
	for(var i=0; i<document.images.length; i++)
	{
		var img = document.images[i]
		var imgName = img.src.toUpperCase()
		if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
		{
			var imgID = (img.id) ? "id='" + img.id + "' " : ""
			var imgClass = (img.className) ? "class='" + img.className + "' " : ""
			var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
			var imgStyle = "display:inline-block;" + img.style.cssText 
			if (img.align == "left") imgStyle = "float:left;" + imgStyle
			if (img.align == "right") imgStyle = "float:right;" + imgStyle
			if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
			var strNewHTML = "<span " + imgID + imgClass + imgTitle
			+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
			+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			+ "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
			img.outerHTML = strNewHTML
			i = i-1
			}
		}
	}
}