function pickShowOrHide(divName) {
	var objDivStyle = eval('document.all.' + divName + '.style');
	if (objDivStyle.visibility == 'visible') {
		hideDiv(divName);
	} else {
		showDiv(divName);
	}
}

function showDiv(divName) {
	var objDivStyle = eval('document.all.' + divName + '.style');
	objDivStyle.visibility = 'visible';
}

function hideDiv(divName) {
	var objDivStyle = eval('document.all.' + divName + '.style');
	objDivStyle.visibility = 'hidden';
}