// JavaScript Document
// Progressive Source Communications
// Last Modified 2007-04-27

function navOn(x){
	document.getElementById(x).src = './images/Global/top_nav_' + x + '_on.gif';
}

function navOff(y){
	document.getElementById(y).src = './images/Global/top_nav_' + y + '_off.gif';	
}

function rollover(x){
	document.getElementById(x).src = './images/Nav/' + x + '_on.gif';	
}

function rolloff(y){
	document.getElementById(y).src = './images/Nav/' + y + '_off.gif';		
}
 

function tab(z){
	if(!document.getElementById) return true;
	var tabs = new Array();
	tabs = $('tabarea').getElementsByClassName('tab');
	//window.alert(tabs.length);
	for(var i = 1; i <= tabs.length; i++){
		document.getElementById('tab' + i).style.display = 'none';		
	}
	document.getElementById('tab' + z).style.display = 'block';	
}