function onloader(tab){
	//diverse onload acties
	
	settab(tab);
	
}


var activeobject = "-1";

function settab(t){
	var newobject = document.getElementById(t);
	if(activeobject != '-1'){
		var oldobject = document.getElementById(activeobject);
		oldobject.className = "off";
		
		var oc = "content"+activeobject;
		document.getElementById(oc).className = "tabcontentoff";
		
		
	}
	
	newobject.className = "on";
	
	var  nc = "content"+t;
	document.getElementById(nc).className = "tabcontent";	
	
	if(activeobject != t){
		activeobject = t;
	}
	
}



function checkselection(){
	var s = document.forms.vacaturezoeken.selectie.value;
	if(s == '-1'){
		alert('Selecteer een vacature groep om in te kunnen zoeken');
		return false;
	}
	else{
		document.location.href = "/pageswitch.php?pid="+s; 
		return false;
	}
}

function nb(){
	var u = "http://s.mc1.nl/s.asp?q=2029542C52504C254D5649354133&l=100&email="+document.getElementById('mailmijwerk').value;
	window.open(u,'nieuwsbrief','width=580,height=400,scrollbars=no,toolbar=no,location=no');
	return false;
}

function empty(i){
	document.getElementById(i).value = "";
}

function fill(i,v){
	if(document.getElementById(i).value == ""){
		document.getElementById(i).value = v;
	}
}