function getHTTPObject() 
	{ 
		try 
		{ 
			req = new XMLHttpRequest(); 
		} 
		catch (err1) 
		{ 
			try 
			{ 
				req = new ActiveXObject("Msxml12.XMLHTTP"); 
			} 
			catch (err2) 
			{ 
				try 
				{ 
					req = new ActiveXObject("Microsoft.XMLHTTP"); 
				} 
				catch (err3) 
				{ 
					req = false; 
				} 
			} 
		} 
		return req; 
	} 
	var http = getHTTPObject();
		 // We create the HTTP Object 
	function handleHttpResponse() 
	{ 
		if (http.readyState == 4) 
		{ 
			captchaOK = http.responseText;
			 
			if(captchaOK != 1) 
			{ 
				alert('The entered code was not correct. Please try again'); 
				 document.feedback_form.captcha_code.value=''; 
				 document.feedback_form.captcha_code.focus(); 
				return false; 
			}
			else {
				document.feedback_form.method="post";
	    		document.feedback_form.submit();
			}			
		} 
	} 
	function checkcode(thecode) 
	{
		var url = 'captchacheck1.php?user_code='; 
		http.open("GET", url + escape(thecode), true); 
		http.onreadystatechange = handleHttpResponse; 
		http.send(null); 
	}