/*
* filename: api.html.js
* version : 201103021005
* 
* description: contains functions for work with html-elements of page
*
*/

function enableSelect ( name ) {
    result = false;
    $(name).disabled = false;
    result = true;
    return result
}

function disableSelect ( name ) {
    result = false;
    $(name).disabled = true;
    result = true;
    return result
}

function clearSelect(oSelectList)
{
    result = false;
    if (oSelectList.childNodes.length) {
      while (oSelectList.childNodes.length) {
          if (oSelectList.firstChild.tagName == 'OPTGROUP') {
              while (oSelectList.firstChild.childNodes.length) {
                  oSelectList.firstChild.removeChild(oSelectList.firstChild.firstChild);
              }
          }
          oSelectList.removeChild(oSelectList.firstChild);
      }
      result = true;
    }
    return result
}

function clearValue ( name ) {
    result = false;
    $(name).value = '';
    result = true;
    return result
}