function forklaring(what){
	document.getElementById('forklar').innerHTML = '';
	document.getElementById('forklar').innerHTML = what;
	if(what == f_slet){
		document.getElementById('forklar').style.visibility = 'hidden';
	}
	else {
	document.getElementById('forklar').style.visibility = 'visible';
	}
}

function enableField(me,which){
	if (me.checked){
		which.disabled = false;
		me.blur();
		which.focus();
	}
	else {
		me.checked = false;
		which.disabled = true;
	}		
}

function enableLand(){
	if (eur.selected){
		document.indmeld1.land2.disabled = false;
		document.indmeld1.land2.focus();
	}
	else {
		if (udl.selected) {
		document.indmeld1.land2.disabled = false;
		document.indmeld1.land2.focus();
		}
		else {
		document.indmeld1.land2.disabled = true;
		}
	}
}

function enableKategori(){
	if (document.getElementById('rab').checked){
		document.indmeld1.rabattype.disabled = false;
		document.indmeld1.rabattype.focus();
	}
	else {
		document.indmeld1.rabattype.disabled = true;
	}
}

function showStudieaar(){
	if(document.indmeld1.rabattype.options[document.indmeld1.rabattype.options.selectedIndex].value == 'Studerende'){
		if (document.getElementById('rab').checked){
			document.getElementById('std_aar_boks').style.visibility = 'visible';
			forklaring(f_std);
		}
		else {
		document.getElementById('std_aar_boks').style.visibility = 'hidden';
		}
	}
	else {
		document.getElementById('std_aar_boks').style.visibility = 'hidden';
	}
}

function showSTD_AAR(){
	if(document.data.kategori.options[document.data.kategori.options.selectedIndex].value == 'std'){
		document.getElementById('std_aar_boks').style.visibility = 'visible';
	}
	else {
		document.getElementById('std_aar_boks').style.visibility = 'hidden';
	}
}

function checkAll(me,str_array){
	var chk_array = str_array.split(",")
	if (me.checked){
		for(i=0;i<chk_array.length;i++) {
			document.getElementById(chk_array[i]).checked=true;
		}
	}
	else {
		for(i=0;i<chk_array.length;i++) {
			document.getElementById(chk_array[i]).checked=false;
		}
	}
}

function check_Check(me,what){
	if (document.getElementById(me).checked){
	}
	else {
  		document.getElementById(what).checked=false;
	}
}

function radio_check(me,str_array){
	var rad_array = str_array.split(",")
	if (document.getElementById(me).checked){
		for(i=0; i<rad_array.length;i++) {
			if(document.getElementById(rad_array[i]) && me != rad_array[i]){
				document.getElementById(rad_array[i]).checked=false;
			}
		}
	}
}