function switch_layer_vertical(was,hidden) {
	if (document.getElementById(was).style.display == 'none'){
		document.getElementById(was).style.display = 'block';
		if (hidden) document.getElementById(hidden).value = 1;
	}
	else {
		document.getElementById(was).style.display = 'none';
		if (hidden) document.getElementById(hidden).value = 0;
	}
}

function addtag (tag,defaultdist) {
	var hlsform = document.hls2;
	for (i = 0; i < hlsform.feldwahl.length; ++i){ //schauen, auf welches checked steht, darin daten eintragen
		if (hlsform.feldwahl[i].checked == true) {
			var full = hlsform.hlscatselector.options[tag].text;
			hlsform.elements['hlf[' + i + '][fullname]'].value = full;
			hlsform.elements['hlf[' + i + '][viewfullname]'].value = full;
			hlsform.elements['hlf[' + i + '][scope]'].checked = true;
			if (hlsform.elements['hlf[' + i + '][multiply]'].value == '') hlsform.elements['hlf[' + i + '][multiply]'].value = 1;
			if (hlsform.elements['hlf[' + i + '][dist]'].value == '') hlsform.elements['hlf[' + i + '][dist]'].value = defaultdist;
		}
	}
	for (i = 0; i < hlsform.feldwahl.length; ++i){ //danach überprüfen, wo erstes freies Feld ist
		if (hlsform.elements['hlf[' + i + '][fullname]'].value == "") {
			hlsform.feldwahl[i].checked = true;
			break;
		}
	}

}

function cleartag(id)
{
	var hlsform = document.hls2;
	hlsform.elements['hlf[' + id + '][viewfullname]'].value = "";
	hlsform.elements['hlf[' + id + '][fullname]'].value = "";
	hlsform.elements['hlf[' + id + '][multiply]'].value = "";
	hlsform.elements['hlf[' + id + '][dist]'].value = "";
	hlsform.elements['hlf[' + id + '][must]'].checked = false;
	hlsform.elements['hlf[' + id + '][scope]'].checked = false;
	for (i = 0; i < hlsform.feldwahl.length; ++i){ //danach überprüfen, wo erstes freies Feld ist
		if (hlsform.elements['hlf[' + i + '][fullname]'].value == "") {
			hlsform.feldwahl[i].checked = true;
			break;
		}
	}
}

function jumptofirstfree()
{
	for (i = 0; i < document.hls2.feldwahl.length; ++i){
		if (document.hls2.elements['hlf[' + i + '][fullname]'].value == "") {
			document.hls2.feldwahl[i].checked = true;
			break;
		}
	}
}

function validateform () {
	for (i = 0; i < document.hls2.feldwahl.length; ++i)
	{
	  	if (document.hls2.elements['hlf[' + i + '][fullname]'].value != "") {
	  		if (document.hls2.elements['hlf[' + i + '][multiply]'].value == "") {
	  			alert("please enter a factor!");
				document.hls2.elements['hlf[' + i + '][multiply]'].focus();
				return false;
	  		}
	  	}
	}
}