function _ISD_UI_Navigation_EnsureObject(obj)
{
	var ret = null;
	
	if(typeof(obj) == 'object')
		ret = obj
		
	if(null == ret)
		ret = eval('window.document.forms[0].' + obj)
		
	if(null == ret)
		ret = window.document.getElementById(obj);
		
	return ret;
}

function _ISD_UI_Navigation_doLink(ctrlSubmit, ctrlMainItem, ctrlSubItem, MainItemName, SubItemName)
{
	ctrlSubmit = _ISD_UI_Navigation_EnsureObject(ctrlSubmit);
	ctrlMainItem = _ISD_UI_Navigation_EnsureObject(ctrlMainItem);
  ctrlSubItem = _ISD_UI_Navigation_EnsureObject(ctrlSubItem);
  if (null != ctrlSubmit && null != ctrlMainItem && null != ctrlSubItem)
  {
		ctrlMainItem.value = MainItemName;
		ctrlSubItem.value = SubItemName;
		ctrlSubmit.click();
	}
}