function ClickCheckbox( el )
{
    if (!el)
      return;
    var original = document.getElementById( 'cb-'+el.id );
    if (!original)
      return;
    if (el.innerHTML == "")
    {
        el.innerHTML = "×";
        original.checked = true;
    }
    else
    {
        el.innerHTML = "";
        original.checked = false;
    }
}
function AddCheckBox( name )
{
    if(!document.js_checkboxs)
        document.js_checkboxs = Array();
    document.js_checkboxs.push( name );
}
function ClearChecks()
{
    for(i=0;i<document.js_checkboxs.length;i++)
        document.getElementById(document.js_checkboxs[i]).innerHTML = '';
}