function showArea(object) {
	// changes the visibility of an object to true
	if (document.getElementById && document.getElementById(object) != null){
		document.getElementById(object).style.display='block';}
	else if (document.layers && document.layers[object] != null){
		document.layers[object].display = 'block';}
	else if (document.all){
		document.all[object].style.display = 'block';}
	}

function hideArea(object) {
	// changes the visibility of an object to false
	if (document.getElementById && document.getElementById(object) != null){
		document.getElementById(object).style.display='none';}
	else if (document.layers && document.layers[object] != null){
		document.layers[object].display = 'none';}
	else if (document.all){
		document.all[object].style.display = 'none';}
	return true;
	}
	
function delayedHideArea(object)
	
	{
	    setTimeout("hideArea('" + object + "');", 10);
	}