var PopupEl = null;
var Ignore = false;

function Nop() {
	Ignore = true;
}

function Popup( ElementID ) {
	if( Ignore ) {
		Ignore = false;
		return;
	}
	
	var El = 0;
	if( ElementID != 0 )
		El = document.getElementById( ElementID );
		
	if( El == 0 || El == PopupEl ) {
		PopupEl.style.display = 'none';
		document.getElementById( 'popup-bkg' ).style.display = 'none';
		PopupEl = null;
		PopupActive = false;
	} else {
		if( PopupEl != null )
			PopupEl.style.display = 'block';
			
		document.getElementById( 'popup-bkg' ).style.display = 'block';
		PopupEl = document.getElementById( ElementID );
		PopupEl.style.display = 'block';
		PopupActive = true;
	}
}