<!--
var regel;

function Validate() {
	var rs = false;
	var j = 1;
    rs = ValidateForm(document.studiegids,'SG');
	if (rs) {
//		for (x=0; x < document.studiegids.elements["CodeTotal"].value ; x++) {
//			if(document.studiegids.elements["Cursus" + x].checked) {
//				j = j + 1
//			}
//		}
		j = 1;
		if (j < 1) {
			alert('Aangeven van cursus is verplicht');
			rs = false;
		}
		if (j > 5) {
		    alert('U mag maximaal 5 cursussen selecteren');
			rs = false;
		}
	}
	return rs;
}

function S2(i, j) {
	document.getElementById("R" + i + "P").style.display = "none";
	document.getElementById("R" + i + "M").style.display = "";
	for (x=0; x < j + 1; x++) {
		document.getElementById("R" + i + "_" + x + "P").style.display = "";
		document.getElementById("R" + i + "_" + x + "M").style.display = "none";
	}
}

function H2(i, j) {
	document.getElementById("R" + i + "P").style.display = "";
	document.getElementById("R" + i + "M").style.display = "none";
	for (x=0; x < j + 1; x++) {
		document.getElementById("R" + i + "_" + x + "P").style.display = "none";
		document.getElementById("R" + i + "_" + x + "M").style.display = "none";
	}
}

function S3(i, j) {
	document.getElementById("R" + i + "_" + j + "P").style.display = "none";
	document.getElementById("R" + i + "_" + j + "M").style.display = "";
}

function H3(i, j) {
	document.getElementById("R" + i + "_" + j + "P").style.display = "";
	document.getElementById("R" + i + "_" + j + "M").style.display = "none";
}

function inhoud_geladen() {
  location.reload();
}

function verwerk_cursus_inhoud(url) {
  rs = false;
  if (parent.emptyFrame.document.forms.length == 1) {
    if (parent.emptyFrame.document.forms[0].name == "cursus_inhoud") {
	  parent.emptyFrame.toonCursussen();
	  document.getElementById("momentje").style.display="none";
 	  document.getElementById("stuurmij").style.display="inline";
	  rs = true;
	}
  }
  if (!rs) {
    parent.emptyFrame.location.href=url;
	document.getElementById("momentje").style.display="inline";
	document.getElementById("stuurmij").style.display="none";
  }
}

function invul_style () {
  rs = false;
  if (parent.emptyFrame.document.forms.length == 1) {
    if (parent.emptyFrame.document.forms[0].name == "cursus_inhoud") {
	  document.getElementById("invul").style.display="inline";
	  rs = true;
	}
  }
  if (!rs) {
	document.getElementById("invul").style.display="none";
  }
}

function putLine(r) {
//  parent.mainFrame.document.getElementById("cursussen").innerHTML += r;
  parent.mainFrame.document.write (r);
}

function l1n(oms) {
  putLine('<img src="../images/none.gif"> ' + oms + '<br />');
}

function l1(r,s,oms) {
  regel  = '<div id="R' + r + 'P"><a href="javascript:S2(' + r + ',' + s + ');"><img src="../images/plus.gif"> ' + oms + '</a><br /></div>';
  regel += '<div id="R' + r + 'M" style="display: none;"><a href="javascript:H2(' + r + ',' + s + ');"><img src="../images/min.gif"> ' + oms + '</a><br />';
}

function l1e() {
  regel += '</div>';
  putLine(regel);
}

function l2n(r,oms) {
  regel += '<div id="R' + r +'P"></div><div id="R' + r +'M"></div>&nbsp; &nbsp; <img src="../images/none.gif"> ' + oms + '<br />';
}

function l2(r,s,oms) {
  regel += '<div id="R' + r + '_' + s +'P"><a href="javascript:S3(' + r + ',' + s +');">&nbsp; &nbsp; <img src="../images/plus.gif"> ' + oms + '</a><br /></div>';
  regel += '<div id="R' + r + '_' + s+'M" class="tekst">&nbsp; &nbsp; <a href="javascript:H3(' + r + ',' + s +');"><img src="../images/min.gif"> ' + oms + '</a><br />';
}

function l2e() {
  regel += '</div>';
}

function l3(r,cod,oms) {
  regel += '&nbsp; &nbsp; <input type="hidden" id="Code' + r +'" NAME="Code' + r + '" value="' + cod + '">&nbsp; &nbsp; <input type="checkbox" id="Cursus' + r + '" NAME="Cursus' + r + '" onClick="cb(this);"> ' + oms + '<br />';
}

function cb(cur) {
  if (cur.checked) {
    gidsTeller++;
    if (gidsTeller > 5) {
      alert('U mag maximaal 5 cursussen selecteren');
    }
  } else {
    gidsTeller--;
	if (gidsTeller < 0) {
	  gidsTeller = 0;
	}
  }
}
-->