select all checkboxes

function CheckAll(sp)
{
  function CheckAll(sp)
  {
    var isChecked = sp.checked;    
    var thisItem = sp.id;    
    var items = sp.parentNode.parentNode.getElementsByTagName("input");    
    for (i=0; i<items.length;>    {
        if (items[i].id != thisItem && items[i].type=="checkbox")
        {
            if (isChecked)
            {
                items[i].checked = true;
            }
            else
            {
                items[i].checked = false;
            }            
        }
    }
  }
}