U.Helper

document.editform.tags.value = 'теги'

document.editform.tags.value = 'теги'

document.editform.title.value = 'заголовок'

document.editform.tags.value = 'теги'

document.addform.tags.value = document.addform.title.value

<script>
cookie = {
      add: function (name, value, days) {
          if (days) {
              var date = new Date();
              date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
              var expires = "; expires=" + date.toGMTString();
          } else var expires = "";
          document.cookie = name + "=" + value + expires + "; path=/";
      },
      read: function (name) {
          var nameEQ = name + "=";
          var ca = document.cookie.split(';');
          for (var i = 0; i < ca.length; i++) {
              var c = ca[i];
              while (c.charAt(0) == ' ') c = c.substring(1, c.length);
              if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
          }
          return null;
      },
      delete: function (name) {
          cookie.add(name, "", -1);
      }
}
</script>

Object.prototype.hover = function (isIn, isOut) {
return this.setAttribute('onmouseover', isIn).setAttribute('onmouseout', isOut);
return this;
}

Object.prototype.hover = function (isIn, isOut) {
return this.setAttribute('onmouseover', isIn);
return this.setAttribute('onmouseout', isOut);
return this;
}

Object.prototype.hover = function (isIn, isOut) {
this = this.setAttribute('onmouseover', isIn);
this = this.setAttribute('onmouseout', isOut);
return this;
}

<iframe name="fr" onload="fr.document.getElementById(id).style.display = 'none';" …

Object.prototype.hover = function (isIn, isOut) {
this.setAttribute('onmouseover', isIn);
this.setAttribute('onmouseout', isOut);
return this;
}