function XmlObj() {
	var xmlhttp;
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			xmlhttp = false;
		} 
	}
	
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') { 
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}

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) {
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for
	return encoded;
};

function trackPage(PU, RU) {
	var trackXmlObj = XmlObj();
	var trackUrl = URLEncode(PU);
	var reffenceUrl = URLEncode(RU);
//	var trackServerPage = "http://www.realtytigers.com/track/?_AC=trackPage&_PU="+trackUrl+"&_RU="+reffenceUrl;
	var trackServerPage = "http://server/realtytigers/track/?_AC=trackPage&_PU="+trackUrl+"&_RU="+reffenceUrl;
	trackXmlObj.open("GET", trackServerPage);
	trackXmlObj.send(null);
}

function getPageVisits(URL) {
	var pageVisitsXmlObj = XmlObj();
	var pageVisitsUrl = URLEncode(URL);
	var pageVisitsObj = document.getElementById("pageVisistsDisplay");
	if (pageVisitsObj) {
	//	var pageVisitsServerPage = "http://www.realtytigers.com/track/?_AC=getPageVisits&_URL="+pageVisitsUrl;
		var pageVisitsServerPage = "http://server/realtytigers/track/?_AC=getPageVisits&_URL="+pageVisitsUrl;
		pageVisitsXmlObj.open("GET", pageVisitsServerPage);
		pageVisitsXmlObj.onreadystatechange = function () {
			if (pageVisitsXmlObj.readyState == 4 && pageVisitsXmlObj.status == 200) {
				pageVisitsObj.innerHTML = pageVisitsXmlObj.responseText;
			}
		}
		pageVisitsXmlObj.send(null);
	}
}