// (C) Copyright 2005-2008 StudentCenter
// (C) Copyright 2005-2008 Marian Balakowicz, m8@izotz.org

function omover(elem, color)
{
	elem.style.backgroundColor = color;
	elem.style.cursor = 'pointer';
}

function stop_events(e)
{
	if (!e)
		var e = window.event;

	e.cancelBubble = true;

	if (e.stopPropagation)
		e.stopPropagation();
}

function enter_validate_submit(e, validate)
{
	e = (e) ? e : event;
	var c = (e.charCode) ? e.charCode : ((e.which) ? e.which : e.keyCode);

	if (c == 13) {
		validate();
		return false;
	}
	return true;
}

function enter_submit(e)
{
	e = (e) ? e : event;
	var target = (e.target) ? e.target : e.srcElement;
	var form = target.form;
	var c = (e.charCode) ? e.charCode : ((e.which) ? e.which : e.keyCode);

	if (c == 13) {
		form.submit();
		return false;
	}
	return true;
}

function enter_nosubmit(e)
{
	e = (e) ? e : event;
	var c = (e.charCode) ? e.charCode : ((e.which) ? e.which : e.keyCode);

	if (c == 13) {
		return false;
	}
	return true;
}