function sendRequest(url)
{
	/*if(callbackFunction!="") {
		functionName	=	callbackFunction;
	}else{*/
		functionName	=	showResult;
	/*}*/
	request.onreadystatechange = functionName;
	request.open("GET", url, true);
	/*request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	request.setRequestHeader("Content-length", parameters.length);	
	request.setRequestHeader("Connection", "close");*/

	// no cache headers
	request.setRequestHeader("Cache-Control", "no-cache, must-revalidate");	
	request.setRequestHeader("Expires", "Mon, 12 Feb 2007 20:06:36GMT");
	request.setRequestHeader("Last-Modified", "Mon, 12 Feb 2007 20:06:36GMT");
	request.send(null);
}

function sendRequestAjax(url)
{
	/*if(callbackFunction!="") {
		functionName	=	callbackFunction;
	}else{*/
		functionName	=	showResultAjax;
	/*}*/
	request.onreadystatechange = functionName;
	request.open("GET", url, true);
	/*request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	request.setRequestHeader("Content-length", parameters.length);	
	request.setRequestHeader("Connection", "close");*/
	request.send(null);
}
function sendRequestVoteAjax(url)
{
	/*if(callbackFunction!="") {
		functionName	=	callbackFunction;
	}else{*/
		functionName	=	showResultVoteAjax;
	/*}*/
	request.onreadystatechange = functionName;
	request.open("GET", url, true);
	/*request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	request.setRequestHeader("Content-length", parameters.length);	
	request.setRequestHeader("Connection", "close");*/
	request.send(null);
}