// JavaScript Document
function getStyle( layer ) {
	if( document.getElementById ) {
		return document.getElementById( layer ).style
	} else if( document.all ) {
		return document.all[layer].style
	} else {
		return document[layer]
	}
}


document.getElementsByClassName = function (c) { 

var r = new Array() 
var j = 0 
var o = document.getElementsByTagName("*") 
for(i=0;i<o.length;i++)
{ 
if(o[i].className == c) { 
r[j]=o[i];j++; 
} 
} 
return r; 
} 


function kleurWissel2(tabid) { 

var obj = document.getElementsByClassName("headmenu2") 
for(i=0;i<obj.length;i++) { 
obj[i].className= "selected" } 

	var obj = document.getElementById(tabid)
	obj.className= "headmenu"
} 


function kleurWissel(tabid) { 

var obj = document.getElementsByClassName("selected") 
for(i=0;i<obj.length;i++) { 
obj[i].className= "headmenu2" } 

	var obj = document.getElementById(tabid)
	obj.className= "headmenu3"
} 





function error (veld, message){
document.getElementById(veld).value = message;	
document.getElementById(veld).style.color = "#ff0000";	
return false;
}
function veldcommand (fielder, warntekst){
	if(document.getElementById(fielder).value == warntekst){
	document.getElementById(fielder).value=''; 
	document.getElementById(fielder).style.color = "#000000";	
	}
}
function veldcommand2 (fielder, warntekst){
	if(document.getElementById(fielder).value == ''){
	document.getElementById(fielder).value=warntekst; 
	document.getElementById(fielder).style.color = "#ff0000";	
	}
	
}
function error2 (veld){
document.getElementById(veld).style.display = "inline";	
return false;
}
function unerror (veld2){
document.getElementById(veld2).style.display = "none";	
//alert (veld2);
}



function validateRechts(frm) {

  var message='';
  var fvalid=true;

  if (frm.bedrijfsnaam.value=='' || frm.bedrijfsnaam.value=='uw bedrijfsnaam?') {
    fvalid=false;
    error ("bedrijfsnaam", "uw bedrijfsnaam?");
    }
  	if (frm.contactpersoon.value=='' || frm.contactpersoon.value=='naam contactpersoon?') {
    error ("contactpersoon", "naam contactpersoon?");
	fvalid=false;
    }
		if (document.finalform.geslacht[0].checked == false && document.finalform.geslacht[1].checked == false) {
		error2 ("contactpersoon1");
		fvalid=false;
	}
	
	if (frm.telefoon.value=='' || frm.telefoon.value=='uw telefoonnummer?') {
    error ("telefoon", "uw telefoonnummer?");
	fvalid=false;
    }
	
	if (frm.postcode.value=='' || frm.postcode.value=='uw postcode?') {
    error ("postcode", "uw postcode?");
	fvalid=false;
    }
	  


	  
  
  if (fvalid==true) {
    return true;
  } else {
    return false;
  }
}



// return the value of the radio button that is checked
// return an empty string if none are checked, or
// there are no radio buttons
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}