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++;
  }

	function opendetailwindow() { 
    window.open('','detailwindow','toolbar=no,scrollbars=yes,resizable=no,width=680,height=480');
  }
  
  function right(e) {
    if ((document.layers || (document.getElementById && !document.all)) && (e.which == 2 || e.which == 3)) {
      alert("© Copyright by {site_name}");
      return false;
    }
    else if (event.button == 2 || event.button == 3) {
      alert("© Copyright by {site_name}");
      return false;
    }
    return true;
  }