// return HttpRequest
function getAjaxHttpRequest()
{
	var ajaxRequest;  // The variable that makes Ajax possible!
		
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your doesn't support AJAX!");
				return false;
			}
		}
	}
	
	ajaxRequest.onreadystatechange = function () 
    {
        processRequest(ajaxRequest); 
    };
	
	return ajaxRequest;
}

function getAjaxHttpRequestP(functionName)
{
	var ajaxRequest;  // The variable that makes Ajax possible!
		
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your doesn't support AJAX!");
				return false;
			}
		}
	}
	
	ajaxRequest.onreadystatechange = function () 
    {
        eval(functionName+"(ajaxRequest)");
    };
	
	return ajaxRequest;
}