function HideContent(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).style.display = "none";   
}
function ShowContent(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).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 setSelected(d) {
	if(d.length < 1) { return; } 
	document.getElementById(d).className = 'tab tab-selected';
}

function setUnselected(d) {
	if(d.length < 1) { return; } 
	document.getElementById(d).className = 'tab';
}

function toggleArrow(d) {
	if(d.length < 1) { return; }
	if(document.getElementById('arrow'+d).className == 'arrow_selected') {
		document.getElementById('arrow'+d).className = 'arrow';
		document.getElementById('arrowtitle'+d).className = 'arrowtitle';
		document.getElementById('arrowbar'+d).className = 'arrowbar';
	} else {
		document.getElementById('arrow'+d).className = 'arrow_selected';
		document.getElementById('arrowtitle'+d).className = 'arrowtitle_selected';
		document.getElementById('arrowbar'+d).className = 'arrowbar_selected';	  
	}
	
	 
}