/* Check if the browser is IE. If so, print a warning */
var browser = navigator.appName;
var msie = "";
var name = navigator.appVersion;
var version = 0;

// Check whether it's MSIE, and if so, get the version
if(name.indexOf("MSIE")!=-1) {
	msie=name.split("MSIE");
	version=parseFloat(msie[1]);
}

// If it was MSIE, version should be higher than 0
if((version>1) && (version<7)) {
	var s = "<p><div id=\'iewarning\'>";
  		 s += "You are using " + browser + " " + version + ".<br />";
		 s += "Versions of IE older than 7 do not display transparent PNGs correctly.<br />";
		 s += "Please upgrade to the latest version for a better viewing experience.<br />";
		 s += "Another, perhaps even better, option is to use <a href=\"http://www.mozilla.com\">Firefox</a>.";
 		 s +="</div></p>";
	document.write(s);
}