function switchDivDisplay(divId) {
	var divStyle = document.getElementById(divId).style;
	
	if (divStyle.display == 'none')
		divStyle.display = 'block';
	else
		divStyle.display = 'none';
	
	return false;
}

function checkAll(formname) {
	for (var i=0;i<formname.elements.length;i++) {
		var e = formname.elements[i];
		if ((e.name != 'checkall') && (e.type=='checkbox') && (!e.disabled) ) {
			e.checked = formname.checkall.checked;
		}
	}
}