function URLEncode(plaintext)
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" 
                        + ch 
                        + "' cannot be encoded using standard URL encoding.\n" +
				          "(URL encoding only supports 8-bit characters.)\n" +
						  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

	return encoded;
};

function johowebstat(usreferer,usdomain,usquery)
{
	var n=navigator;
	var ver=n.appVersion;
	var d=document;
	var u="/usage/jstat.php?id=joho";
	
	var verIE=parseInt(ver.substring(ver.indexOf("MSIE")+5,ver.indexOf("MSIE")+6));
	
	if(verIE>0)
		ver=verIE;
	else
		ver=parseInt(ver);

	var s=screen;
	var c=s.colorDepth;
	if(ver>=4)
	{
		var w=s.width;
		var h=s.height;
	}
	else
	{
		var w=s.availWidth;
		var h=s.availHeight;
	}
	
	if(w)
		u+="&w="+w;
	if(h)
		u+="&h="+h;
	if(c)
		u+="&c="+c;
	u+="&r="+URLEncode(usreferer);
	u+="&q="+URLEncode(usquery);
	u+="&d="+URLEncode(usdomain);
	
	document.write ('<a target=_blank href=/viewusage/sum/><IMG SRC='+u+' border="0" alt="JoHoStats - Web Statistics"></a>')
}