// JavaScript Document
function show(a){
	document.getElementById('off-'+a).style.display='none';
	document.getElementById('on-'+a).style.display='inline';
}
function hide(a){
	document.getElementById('off-'+a).style.display='inline';
	document.getElementById('on-'+a).style.display='none';
}

function chk(pageName)
{
	document.getElementById('off-'+pageName).style.display='none';
	document.getElementById('on-'+pageName).style.display='inline';
}

function checkNav(pageName)
{
	document.getElementById('navigation').innerHTML=document.getElementById('nav_'+pageName).innerHTML;
}