var captcha_reload_count = 0;
		var captcha_image_url = "./captcha.php";
	function new_captcha_image() {
		if (captcha_image_url.indexOf('?') == -1) {
			document.getElementById('captcha_image').src= captcha_image_url+'?c='+captcha_reload_count;
				} else {
				 document.getElementById('captcha_image').src= captcha_image_url+'&c='+captcha_reload_count;
				}

			   document.getElementById('captcha_input').value="";
			   document.getElementById('captcha_input').focus();
			   captcha_reload_count++;
					  }