var panels=new Array;

function registerPanel(panelName) {
	panels.push(panelName);
}

function hidePanels() {
	for(var x=0; x<panels.length; x++) {
		panel = document.getElementById(panels[x]);
		
		if(panel) {
			panel.style.display = 'none';
		}
	}
}

function showPanel(panelName) {
	hidePanels();

	panel = document.getElementById(panelName);
			
	if(panel) {
		panel.style.display = '';
	}
}

function toggleObjDisplay(objID) {
	obj = document.getElementById(objID);
	
	if(obj) {
		obj.style.display = (obj.style.display == 'none' ? '' : 'none');
	}
}