function isHunID (s)
{
	if(s.match(/^[A-Z]{1,2} {0,1}[0-9]{6,6}$/)!=null) return true; 
	if(s.match(/^[A-Z]{2,2}-(I|II|III|IV|V|VI|VII) {0,1}[0-9]{6,6}$/)!=null) return true; 
	if(s.match(/^[0-9]{6,6} {0,1}[A-Z]{1,2}$/)!=null) return true; 
	return false;
}
function set_display (id, display) {
	var e;
	e=document.getElementById(id);
	e.style.display = display;
}
function set_class (id, style) {
	var e;
	e=document.getElementById(id);
	e.className = style;
}
function select(form, control, value)
{
		if (document[form][control].value)
			document.getElementById(control+'IMG_'+document[form][control].value).src = "/images/false.png";
		document.getElementById(control+'IMG_'+value).src = "/images/true.png";
		document[form][control].value=value;
}
function click_checkbox(form, control)
{
		if (document[form][control].value == 'Y') {
			document.getElementById(control+'_IMG').src = "/images/false.png";
			document[form][control].value = 'N';
		}
		else {
			document.getElementById(control+'_IMG').src = "/images/true.png";
			document[form][control].value = 'Y';
		}
}
function set_checkbox(form, control, value)
{
		document[form][control].value = value;
		if (document[form][control].value == 'Y')
			document.getElementById(control+'_IMG').src = "/images/true.png";
		else
			document.getElementById(control+'_IMG').src = "/images/false.png";
}
function leadingZero(nr)
{
	if (!nr)
		return '00';
	if (nr < 10) nr = "0" + nr;
	return nr;
}