// JavaScript Document
var currentPage = 'tPictures';

function changeTopMenu(tabId, tabClass) {
	if (tabId!=currentPage)
		document.getElementById(tabId).className = tabClass;
}


function switchTab(tabId) {
	document.getElementById(currentPage).className='menu_off';
	document.getElementById(tabId).className='menu_on';
	var t1 = tabId + 'Content';
	var t2 = currentPage + 'Content';
	var object=document.getElementById(t1);
	var current=document.getElementById(t2);
	current.style.display='none';
	object.style.display='block';
	
	currentPage=tabId;
}