var argL = 0;

function init()
	{
	didInit();

	// --- initialise form page state -----------------------------
	if (document.getElementById('RD_adviesY')) { RD_adviesCHG(false); }
	if (document.getElementById('RD_controleY')) { RD_controleCHG(false); }
	if (document.getElementById('RD_tegenbetalingY')) { RD_tegenbetalingCHG(false); }
	if (document.getElementById('RD_bureninfoY')) { RD_bureninfoCHG(false); }
	if (document.getElementById('RD_wandenA')) { RD_wandenCHG(false); }
	if (document.getElementById('RD_dakA')) { RD_dakCHG(false); }

	if (document.getElementById('SB_soort')) { SB_soortCHG(false); }
	if (document.getElementById('SB_watbouwen')) { SB_watbouwenCHG(false); }
	// ------------------------------------------------------------

	window.onresize = doresize;
	doresize();
	}

var TRdisplay = 'table-row'; // FireFox default : corrected :
if (document.all) { // primitive, but this works : true for IE4+
	TRdisplay = 'block';
}

function RD_adviesCHG(TF) {
	if (document.getElementById('RD_adviesY').checked) {
		document.getElementById('TR_advies').style.display = TRdisplay;
	} else {
		document.getElementById('TR_advies').style.display = 'none';
	}
	if (TF) { doresize(); }
}

function RD_controleCHG(TF) {
	if (document.getElementById('RD_controleY').checked) {
		document.getElementById('TR_controle').style.display = TRdisplay;
	} else {
		document.getElementById('TR_controle').style.display = 'none';
	}
	if (TF) { doresize(); }
}

function RD_tegenbetalingCHG(TF) {
	if (document.getElementById('RD_tegenbetalingY').checked) {
		document.getElementById('TR_tegenbetalingY').style.display = TRdisplay;
		document.getElementById('TR_tegenbetalingN').style.display = 'none';
	}
	if (document.getElementById('RD_tegenbetalingN').checked) {
		document.getElementById('TR_tegenbetalingY').style.display = 'none';
		document.getElementById('TR_tegenbetalingN').style.display = TRdisplay;
	}
	if (TF) { doresize(); }
}

function RD_bureninfoCHG(TF) {
	if (document.getElementById('RD_bureninfoY').checked) {
		document.getElementById('TR1_burenafspraak').style.display = TRdisplay;
		document.getElementById('TR2_burenafspraak').style.display = TRdisplay;
	} else {
		document.getElementById('TR1_burenafspraak').style.display = 'none';
		document.getElementById('TR2_burenafspraak').style.display = 'none';
	}
	if (TF) { doresize(); }
}

function RD_bouwvergunningCHG() {
	alert("U dient een bouwvergunning op te sturen");
}

function SB_soortCHG(TF) {
	if (document.getElementById('SB_soort').selectedIndex == 4) { // "anders nl."
		document.getElementById('TR_soort').style.display = TRdisplay;
	} else {
		document.getElementById('TR_soort').style.display = 'none';
	}
	if (TF) { doresize(); }
}

function SB_watbouwenCHG(TF) {
	if (document.getElementById('SB_watbouwen').selectedIndex == 6) { // "anders nl."
		document.getElementById('TR_watbouwen').style.display = TRdisplay;
	} else {
		document.getElementById('TR_watbouwen').style.display = 'none';
	}
	if (TF) { doresize(); }
}

function RD_wandenCHG(TF) {
	if (document.getElementById('RD_wandenA').checked) {
		document.getElementById('TR_wanden').style.display = TRdisplay;
	} else {
		document.getElementById('TR_wanden').style.display = 'none';
	}
	if (TF) { doresize(); }
}

function RD_dakCHG(TF) {
	if (document.getElementById('RD_dakA').checked) {
		document.getElementById('TR_dak').style.display = TRdisplay;
	} else {
		document.getElementById('TR_dak').style.display = 'none';
	}
	if (TF) { doresize(); }
}

function setH()
	{
	argL = setH.arguments.length;
	var allColH = colH(setH.arguments);
	var windowH = document.body.clientHeight - headerH;
	var fillH = windowH - FTh;

	var TFfill = (FTh + allColH < windowH);
	var daH = TFfill?fillH:allColH;

	for (i=0;i < argL;i++)
		{
		document.getElementById(setH.arguments[i]).style.height = daH + "px";
		document.getElementById(setH.arguments[i]).style.marginBottom = (TFfill?0:FTh) + "px";
		}

	document.getElementById('footer').style.top = (daH + headerH) + "px";
	document.getElementById('footer').style.visibility = 'visible';
	}

function colH(aColID) // Array containing all IDs of the concerning COLumns
	{
	var oH = 0;
	var oC = 0;
	var cOH = new Array();

	for (i=0;i < argL;i++)
		{
		document.getElementById(aColID[i]).style.height = 'auto';
		cOH[i] = document.getElementById(aColID[i]).offsetHeight;
		}

	for (i=0;i < argL;i++)
		{
		if (cOH[i] > oH) oH = cOH[i];
		}

	return oH;
	}

function submit_url() {
	var url = window.location.href;
	var url_naar = "http://www.stja.nl/send-friend/?link=" + url;
	window.open(url_naar,null,'height=320,width=514,status=yes,toolbar=no,menubar=no,location=no');
}

function menuOpen(a) {
	obj = document.getElementById(a); 
	if(obj) {
		obj.style.visibility="visible";
	}
}

function menuClose(a) {
	obj = document.getElementById(a); 
	if(obj) {
		obj.style.visibility="hidden";
	}
}

function checkform_contact(f) {
  if (f.elements['bedrijfsnaam'].value == "")
    {
    alert("Vul uw bedrijfsnaam in.");
    window.setTimeout("document.forms['contactform'].elements['bedrijfsnaam'].focus()",500);
    return (false);
    }
  if (f.elements['contactpersoon'].value == "")
    {
    alert("Vul de naam van uw contactpersoon in.");
    window.setTimeout("document.forms['contactform'].elements['contactpersoon'].focus()",500);
    return (false);
    }
  if (f.elements['adres'].value == "")
    {
    alert("Vul uw adres in.");
    window.setTimeout("document.forms['contactform'].elements['adres'].focus()",500);
    return (false);
    } 
  if (f.elements['postcode'].value == "")
    {
    alert("Vul uw postcode in.");
    window.setTimeout("document.forms['contactform'].elements['postcode'].focus()",500);
    return (false);
    }  
  if (f.elements['woonplaats'].value == "")
    {
    alert("Vul uw woonplaats in.");
    window.setTimeout("document.forms['contactform'].elements['woonplaats'].focus()",500);
    return (false);
    }   
  if (f.elements['telefoon'].value == "")
    {
    alert("Vul uw telefoonnummer in.");
    window.setTimeout("document.forms['contactform'].elements['telefoon'].focus()",500);
    return (false);
    }    
 if (f.elements['email_adres'].value == "")
    {
    alert("Geen e-mail ingevoerd.");
    window.setTimeout("document.forms['contactform'].elements['email_adres'].focus()",500);
    return (false);
    }
 if (f.elements['land'].value == "")
    {
    alert("Vul uw land in.");
    window.setTimeout("document.forms['contactform'].elements['land'].focus()",500);
    return (false);
    }
 if (f.elements['medewerkers'].value == "")
    {
    alert("Vul het aantal medewerkers in.");
    window.setTimeout("document.forms['contactform'].elements['medewerkers'].focus()",500);
    return (false);
    }    
   else f.submit();		
 }