function createLOG(string) {
	curpage = document.location;
	prepage = document.referrer;
	urlwindow = "\""+parent.document.location+"\"";
	
	switch (string) {
		case "fin":
		params = "ByeBye";
		break;
		default: 
		params = getPARAMS(urlwindow);
		break;
	}
	
	url="http://" + document.domain + "/log.php?curpage=" + curpage + "&prepage=" + prepage + "&params=" + params;
	getURL(url);
}

function isIE() {
	if (window.ActiveXObject) {
		return (true);
	} else {
		return (false);
	}
}

function getPARAMS(urlwindow) { 
	startIndex = urlwindow.indexOf("=");
	if (startIndex !="-1") {
		var param = urlwindow.substr(startIndex+1);
		var paramok = param.substr(0,param.length-1);
	} else {
		paramok = "noparam";
	}
	return paramok;
}

function getURL(string) {
	var http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	
	if (!http_request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return null;
	}
	http_request.open('GET', string, false);
	http_request.send(null);

	if (http_request.status == 200) {
		var xmldoc;
		if (isIE()){
			xmldoc = new ActiveXObject("MSXML2.DOMDocument");
			xmldoc.loadXML( http_request.responseText);
		} else {
			xmldoc = http_request.responseXML;
		}
		return (xmldoc);
	} else {
		return(null);
	}
}