var iSelectedItem = '';

function ShowSubNav(id){
    HideSubNav();
	document.getElementById(id).style.visibility = 'visible';
}
function HideSubNav(){
	document.getElementById('sub1').style.visibility = 'hidden';
	document.getElementById('sub2').style.visibility = 'hidden';
//	document.getElementById('sub3').style.visibility = 'hidden';
}
function UnsetItem(iSelectedItem){
//alert(iSelectedItem);
	    if (iSelectedItem == 'item1'){
	        document.getElementById('item2').className = '';
	        document.getElementById('item3').className = '';
	        document.getElementById('item4').className = '';
	        document.getElementById('item5').className = '';
        }
	    if (iSelectedItem == 'item2'){
	        document.getElementById('item1').className = '';
	        document.getElementById('item3').className = '';
	        document.getElementById('item4').className = '';
	        document.getElementById('item5').className = '';
        }
	    if (iSelectedItem == 'item3'){
	        document.getElementById('item1').className = '';
	        document.getElementById('item2').className = '';
	        document.getElementById('item4').className = '';
	        document.getElementById('item5').className = '';
        }
	    if (iSelectedItem == 'item4'){
	        document.getElementById('item1').className = '';
	        document.getElementById('item2').className = '';
	        document.getElementById('item3').className = '';
	        document.getElementById('item5').className = '';
        }
	    if (iSelectedItem == 'item5'){
	        document.getElementById('item1').className = '';
	        document.getElementById('item2').className = '';
	        document.getElementById('item3').className = '';
	        document.getElementById('item4').className = '';
        }
	    UnsetSubItem();
}
function SetItem(id){
    UnsetItem();
    HideSubNav();
    document.getElementById(id).className = 'selected'; 
//    iSelectedItem = id;

}
function UnsetSubItem(){
	document.getElementById('subitem01').className = '';
	document.getElementById('subitem02').className = '';
//	document.getElementById('subitem03').className = '';
//	document.getElementById('subitem04').className = '';
	document.getElementById('subitem05').className = '';
	document.getElementById('subitem06').className = '';
	document.getElementById('subitem07').className = '';
//	document.getElementById('subitem08').className = '';
//	document.getElementById('subitem09').className = '';
//	document.getElementById('subitem10').className = '';
//	document.getElementById('subitem11').className = '';
//	document.getElementById('subitem12').className = '';
//	document.getElementById('subitem13').className = '';
}
function SetSubItem(id){
    UnsetSubItem();
    document.getElementById(id).className = 'selected';
}