function goBack()
{
	window.history.back();
}

function resizeImg(i)
{
var src = i.src, ext = src.substring(src.length-6, src.length);

if (ext == "-s.jpg")
{
	src = src.substring(0, src.length-6) + ".jpg";
}
else
{
	src = src.substring(0, src.length-4) + "-s.jpg";
}
i.src = src;
}

function showModel(autoId)
{
  window.open("default2.asp?aid=" + autoId, "_blank", "width=640,height=400,menubar=yes,toolbar=yes,scrollbars=yes");
}

function toggleTree(elem)
{
  var e = document.getElementById("div" + elem.id);

  if (e.style.display == "")
    collapseDiv(elem, e);
  else
    expandDiv(elem, e);
}

function expandDiv(elem, e)
{
  e.style.display = "";
  elem.src = "img/icoFolder-.gif";
}

function collapseDiv(elem, e)
{
    e.style.display = "none";
    elem.src = "img/icoFolder+.gif";
}

function expandAll()
{
  var elements = document.getElementsByTagName("IMG");

  for (var i=0; i<elements.length; i++)
  {
    var elem = elements[i];
    if (-1 == elem.id.indexOf("iFolder")) continue;
    var e = document.getElementById("div" + elem.id);
    expandDiv(elem, e);
  }
}

function collapseAll()
{
  var elements = document.getElementsByTagName("IMG");

  for (var i=0; i<elements.length; i++)
  {
    var elem = elements[i];
    if (-1 == elem.id.indexOf("iFolder")) continue;
    var e = document.getElementById("div" + elem.id);
    collapseDiv(elem, e);
  }
}
function doSubmitForm(inp) {
	var form = document.getElementById(inp);
	var sError = "";
	var strFocus = "";

	if(inp == "form_contact")
	{
		if(document.getElementById('sbm')){document.getElementById('sbm').disabled = true};
		
		var c_name = document.getElementById('c_name').value;
		//var gM = document.getElementById('gM').checked;
		//var gV = document.getElementById('gV').checked;
		//var c_city = document.getElementById('c_city').value;
		var c_email = document.getElementById('c_email').value;
		var c_opm = document.getElementById('c_opm').value;
		
		if(c_name == ""){sError = sError + "- Naam is niet (juist) ingevuld\n"; if(strFocus == ""){ strFocus = "c_name"; }}
		//if(gM == false && gV == false){sError = sError + "- U hebt geen geslacht gekozen\n";}		
		//if(c_city == ""){sError = sError + "- Woonplaats is niet (juist) ingevuld\n"; if(strFocus == ""){ strFocus = "c_city"; }}
		if(c_email == ""){sError = sError + "- Emailadres is niet (juist) ingevuld\n"; if(strFocus == ""){ strFocus = "c_email"; }}
		if(c_opm == ""){sError = sError + "- U hebt geen opmerking ingevuld\n"; if(strFocus == ""){ strFocus = "c_opm"; }}

		if (sError != "")
		{
			alert('De volgende gegevens ontbreken of zijn onvolledig.\n\n'+sError+'');
			if(document.getElementById('sbm')){document.getElementById('sbm').disabled = false};
			if(strFocus != "")
			{
			eval("document.forms."+inp+"."+strFocus+".focus();");
			}
		}
		else
		{
			form.action = "process.asp";
			form.target = "iSubmit";
			form.submit();
		}
	}
	
	if(inp == "form_guestbook")
	{
		var gb_name = form.gb_name.value;
		var gb_tekst = form.gb_tekst.value;
		
		if(gb_name == ""){sError = sError + "- U hebt geen naam ingevuld\n"};
		if(gb_tekst == ""){sError = sError + "- U hebt geen bericht ingevuld\n"};
		
		if(sError != "")
		{
			alert(sError);
			document.getElementById('sbm').disabled = false;
		}
		else
		{
			form.action = "process.asp";
			form.target = "iSubmit";
			form.submit();
		}	
	}
}