var isPopOpen = 0 ;
var isMorOpen = 0 ;
var isFromOnmousedown = 1 ; // to fool those pesky browsers

function initExpNav() {
	document.getElementById('popLinks').style.display = 'none' ;
	document.getElementById('morLinks').style.display = 'none' ;
}

document.getElementById('popText').onmousedown = resetFromOnmousedown ;
document.getElementById('popText').onclick = reversePop ;
document.getElementById('morText').onclick = reverseMor ;

function ReverseContentDisplay(d, img) {
	if(d.length < 1) { return; }

	if(document.getElementById(d).style.display == "none") { 
		document.getElementById(d).style.display = "block"; 
		//document.getElementById(d).style.marginBottom = "0px";
		document.getElementById(img).src="FCOresources/images/minus.gif";
	}
	else { 
		document.getElementById(d).style.display = "none";		  
		document.getElementById(img).src="FCOresources/images/plus.gif";
	}
}

function ReverseContentDisplayPop(d, img) {
	if(d.length < 1) { return; }
	alert("function ReverseContentDisplayPop called again");
	if(document.getElementById(d).style.display == "none") { 
		document.getElementById(d).style.display = "block"; 
		document.getElementById(img).src="FCOresources/images/minus.gif";
	}
	else { 
		document.getElementById(d).style.display = "none";		  
		document.getElementById(img).src="FCOresources/images/plus.gif";
	}
}

function ReverseContentDisplayMore(d, img) {
	if(d.length < 1) { return; }
	alert("function ReverseContentDisplayMore called");
	if(document.getElementById(d).style.display == "none") { 
		document.getElementById(d).style.display = "block"; 
		document.getElementById(img).src="FCOresources/images/minus.gif";
	}
	else { 
		document.getElementById(d).style.display = "none";		  
		document.getElementById(img).src="FCOresources/images/plus.gif";
	}
}

function displayPop() {
	alert("function displayPop called");
	document.getElementById('popLinks').style.display = "block"; 
	document.getElementById('popImg').src="FCOresources/images/minus.gif";
	isPopOpen = 1 ;
}

function closePop() {
	alert("function closePop called");
	document.getElementById('popLinks').style.display = "none";		  
	document.getElementById('popImg').src="FCOresources/images/plus.gif";
	isPopOpen = 0 ;
}

function displayMor() {
	alert("function displayMor called");
	document.getElementById('morLinks').style.display = "block"; 
	document.getElementById('morImg').src="FCOresources/images/minus.gif";
	isMorOpen = 1 ;
}

function closeMor() {
	alert("function closeMor called");
	document.getElementById('morLinks').style.display = "none";		  
	document.getElementById('morImg').src="FCOresources/images/plus.gif";
	isMorOpen = 0 ;
}

function reversePop() {
	if (isFromOnmousedown == 1) {
		if (isPopOpen == 0) {
			document.getElementById('popLinks').style.display = "block"; 
			document.getElementById('popImg').src="FCOresources/images/minus.gif";
			isPopOpen = 1 ;
		}
		else {
			document.getElementById('popLinks').style.display = "none";		  
			document.getElementById('popImg').src="FCOresources/images/plus.gif";
			isPopOpen = 0 ;
		}
	}
}

function reverseMor() {
	if (isMorOpen == 0) {
		document.getElementById('morLinks').style.display = "block"; 
		document.getElementById('morImg').src="FCOresources/images/minus.gif";
		isMorOpen = 1 ;
	}
	else {
		document.getElementById('morLinks').style.display = "none";		  
		document.getElementById('morImg').src="FCOresources/images/plus.gif";
		isMorOpen = 0 ;
	}
	isFromOnmousedown = 0 ;
}

function resetFromOnmousedown() {
	isFromOnmousedown = 1 ;
}