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)
{
	try
	{
		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();
		}
	} catch(e){;}
}