function ltrim() {
  var s = "" + this;
  while(s.indexOf(' ') == 0)
    s = s.substring(1);
  return s;
}

function rtrim() {
  var s = "" + this
  while(s.substring(s.length - 1, s.length) == ' ')
    s = s.substring(0, s.length - 1);
  return s;
}
        
function trim() {
  return this.rtrim().ltrim();
}

String.prototype.ltrim = ltrim;
String.prototype.rtrim = rtrim;
String.prototype.trim = trim;

function CheckSubscribe() {
   var emailObj = document.getElementsByName('email')[0];
   var email = emailObj.value;
   if (! email.match(/^[a-zA-Z0-9._-]+\@[^\s:,]+\.[^\s:,]+$/i)) {
      alert('Óêàæèòå êîíòàêòíûé e-mail.');
      emailObj.focus();
      return false;
   }
   return true;
}

function onResizeShowPopup() {
 w = $('#width_id_details').width()+12;
 $('#showcase td').mouseover(function() { $('div.details', this).css('width',w+'px')});
}