// JavaScript Document
function init() 
{ 
    var formatting = document.getElementById('mainnav'); 
     
    var links = formatting.getElementsByTagName('a'); 
    var divs = formatting.getElementsByTagName('div');
	
    if (links && divs) 
    { 
		aux_links = links.length;

		if (aux_links == 1) {

			links[0].onclick = function() { 
				if (divs[0].style.display == "none") {
					divs[0].style.display = "inline";
				} else {
					divs[0].style.display = "none";
				} 
				
			}
			divs[0].style.display = 'none'; 
			
		} else {
	       links[0].onclick = function() { 
				if (divs[0].style.display == "none") {
					divs[0].style.display = "inline";
				} else {
					divs[0].style.display = "none";
				} 
			}	
    	    links[2].onclick = function() { 
				if (divs[1].style.display == "none") {
					divs[1].style.display = "inline";
				} else {
					divs[1].style.display = "none";
				} 
			} 
			divs[0].style.display = 'none'; 
		    divs[1].style.display = 'none'; 
			
	    } 
		
	}
     
    
} 

function showhideElement(obj) 
{ 
	if (obj.style.display == "none") {
		obj.style.display = "inline";
	} else {
		obj.style.display = "none";
	}
} 
window.onload = init;