var homeNum = 0;
var navItem = 0;
var navTimer = 0;

function nothing() {}

function setHomeBox(num) {
	
	var topOffset = (num*49);
	if (num == 4) {
		//topOffset = topOffset-1;	
	}

	document.getElementById('homeArrow').style.top = topOffset+'px';
	document.getElementById('homeLink'+homeNum).style.color = '#202020';
	document.getElementById('homeLink'+num).style.color = '#FFF';
	document.getElementById('homePhoto'+homeNum).style.visibility = 'hidden';
	document.getElementById('homePhoto'+num).style.visibility = 'visible';
	homeNum = num;
	
}

function dispNav(num) {
	
	clearTimeout(navTimer);

	if ((navItem != num) && (navItem != 0)) {
		hideNav(navItem);	
	}
	
	navItem = num;
	
	document.getElementById('navSub'+num).style.visibility = 'visible';
	
}

function hideNavTimer(num) {
	
	clearTimeout(navTimer);
	
	navTimer = window.setTimeout('hideNav('+num+')',300);
	
}

function hideNav(num) {
	
	document.getElementById('navSub'+num).style.visibility = 'hidden';
	
}