var isMoreOpen = 0 ;
var isMoreSearchesOpen = 0 ;
var isFromOnmousedown = 1 ; // to fool those pesky browsers
var resDir = "res/" ;

function initExpNav() {
	document.getElementById('mLinks').style.display = 'none' ;
	document.getElementById('rLinks').style.display = 'none' ;
}

document.getElementById('headertop').onmousedown = resetFromOnmousedown ;
document.getElementById('headertop').onclick = reverseMore ;
document.getElementById('header').onclick = reverseMoreSearches ;

function reverseMore() {
	if (isFromOnmousedown == 1) {
		if (isMoreOpen == 0) {
			document.getElementById('mLinks').style.display = "block"; 
			document.getElementById('moreImg').src = resDir + "images/minus.gif";
			isMoreOpen = 1 ;
		}
		else {
			document.getElementById('mLinks').style.display = "none";		  
			document.getElementById('moreImg').src = resDir + "images/plus.gif";
			isMoreOpen = 0 ;
		}
	}
}

function reverseMoreSearches() {
	if (isMoreSearchesOpen == 0) {
		document.getElementById('rLinks').style.display = "block"; 
		document.getElementById('relatedImg').src = resDir + "images/minus.gif";
		isMoreSearchesOpen = 1 ;
	}
	else {
		document.getElementById('rLinks').style.display = "none";		  
		document.getElementById('relatedImg').src = resDir + "images/plus.gif";
		isMoreSearchesOpen = 0 ;
	}
	isFromOnmousedown = 0 ;
}

function resetFromOnmousedown() {
	isFromOnmousedown = 1 ;
}