/* Controls the main navigation menus */
function show(subnav,state) {

	// First close all of the subnavs
	changeState('about','off');
	changeState('soln','off');
	changeState('rsc','off');
	changeState('press','off');
	changeState('train','off');	
	changeState('finance','off');
	changeState('counsel','off');
	changeState('wsba','off');		
	
	// now, if need be, show the appropriate subnav
	if (state == "on")
		changeState(subnav, state);
createCookie('navstate',subnav,0);

}

/* changes the state of an individual menu item & its submenu */
function changeState(subnav, state) {
	
	el = document.getElementById("mainnav"+subnav);
	var a = document.getElementById("link"+subnav);
	
	if (state == "on") {
		el.style.display = "block";
		a.href="javascript:show('"+subnav+"','off')";
	}
	else {
		el.style.display = "none";
		a.href="javascript:show('"+subnav+"','on')";
	}
}


function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}