// JavaScript Document

 // to open tabs by clicking on checkbox on silverbar
function OpenTab(tabid) {
	if (document.getElementById(tabid).style.display == 'none')
	{
  		document.getElementById(tabid).style.display = 'block';
		document.getElementById(tabid+'box').style.backgroundImage='url(images/navig/boxon.gif)';
  	}
	else {
		document.getElementById(tabid).style.display = 'none';
		document.getElementById(tabid+'box').style.backgroundImage='url(images/navig/boxoff.gif)';
		
		}
	}

// open additional segments for each category - if exists
function OpenSegment(segment) {
	var checking = document.getElementById(segment+'seg');
	if (checking.checked){
  		document.getElementById(segment+'segment').style.display = 'block';
  		}
	else {
  		document.getElementById(segment+'segment').style.display = 'none';
  		}
	}

// to expand and select first box - using non-default forms layout
function AutoExpand(tabid) {
	document.getElementById(tabid+'box').style.backgroundImage='url(images/navig/boxoff.gif)';
	document.getElementById(tabid).style.display = 'block';
	}
	
function VisibleTab(tabid) {
	if (document.getElementById(tabid).style.display == 'none')
	{
		document.getElementById(tabid+'box').style.backgroundImage='url(images/navig/boxon.gif)';
  	}

	}
function HiddenTab(tabid) {
	if (document.getElementById(tabid).style.display == 'none')
	{
		document.getElementById(tabid+'box').style.backgroundImage='url(images/navig/boxoff.gif)';
  	}

	}