function HideContent(d) {
if(d.length < 1) { return; }
	var el = document.getElementById(d);
	el.style.display = "none";
}

function ShowContent(d) {
if(d.length < 1) { return; }
	var el = document.getElementById(d);
//	if ( el.style.display != "none" ) {
//		el.style.display = 'none';
//	}
//	else {
		el.style.display = 'block';
//	}
}
function ReverseContentDisplay(d) {
if(d.length < 1) { return; }
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}

function changeStyle(d) {
if(d.length < 1) { return; }
	var el = document.getElementById(d);
	if ( el.style.display != "none" ) {
		el.style.display = 'none';
	}	else {
		el.style.display = 'block';
	}
}

function linkchange(d) {
	if(d.length < 1) { return; }
		var el = document.getElementById(d);
		if( el.innerHTML != "[-]" ) {
			el.innerHTML="[-]";
		} else {
			el.innerHTML="[+]";
		}
}