/* only hide content if we have javascript and can turn it opn again! */

if(document.createStyleSheet) {
	document.createStyleSheet('init.css');
}
else {
	var newSS=document.createElement('link');
	newSS.rel='stylesheet';
	newSS.href='init.css';
	document.getElementsByTagName('head')[0].appendChild(newSS);
}


var lastTabId = 1;
function tab_switch(id)
{
	document.getElementById('section' + lastTabId).style.display = 'none';
	document.getElementById('section' + id).style.display = 'block';
	lastTabId = id;
	
	var ourTabs = document.getElementById('nav').getElementsByTagName("li");
	
	for(var i = 0; i < ourTabs.length; i++)
	{
		if ((i + 1) == id)
		{
			ourTabs[i].className = 'on';
		}
		else
		{
			ourTabs[i].className = '';
		}
	}
return false;
}


function toggleSubsec(id,link) {
	var p = link.parentNode.lastChild;
	//var tog = p.getElementById()
	//alert(p.innerHTML);
	var el = document.getElementById(id);
	if ( el.className != "current subsec" ) {
		el.className = "current subsec";
	}
	else {
		el.className = "subsec";
	}
	
	if ( p.className != "toggletopen" ) {
		p.innerHTML = "&darr;";
		p.className = "toggletopen";
	}
	else {
		p.className = "togglet";
		p.innerHTML = "&rarr;";
	}
	return false;
}