function checkLogin(){
	//var role = document.forms[0].role.value;
	var user = document.forms[0].username.value;
	var pass = document.forms[0].password.value;
	var gogo = true;
	var error= "U dient de volgende velden in te vullen:";

	if(user == ""){
		error = error + "\n- gebruikersnaam";
		gogo = false;
	}
	if(pass == ""){
		error = error + "\n- wachtwoord";
		gogo = false;
	}
	if(gogo == true){
		document.forms[0].submit()
	}
	else{
		alert(error);
	}
}

function setContentwrapper(){
	if (self.innerWidth) {
		frameWidth = self.innerWidth;
		frameHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientWidth) {
		frameWidth = document.documentElement.clientWidth;
		frameHeight = document.documentElement.clientHeight;
	} else if (document.body) {
		frameWidth = document.body.clientWidth;
		frameHeight = document.body.clientHeight;
	} else {
	    return;
	}
	minus = 45;
	//document.getElementById("contentwrapper").style.height = frameHeight - minus;
}

function togglesearchdiv(){
	if (document.getElementById('extendedsearchdiv').style.display == 'block') {
    	document.getElementById('extendedsearchdiv').style.display = 'none';
    	document.getElementById('simplesearchdiv').style.display = 'block';
    	document.forms.simplesearch.keyword.value = document.forms.extendedsearch.keyword.value
	} else {
    	document.getElementById('extendedsearchdiv').style.display = 'block';
    	document.getElementById('simplesearchdiv').style.display = 'none';
    	document.forms.extendedsearch.keyword.value = document.forms.simplesearch.keyword.value
    }
}

function showRood(idnum){
	document.getElementById('rood' + idnum).style.display = 'block';
	document.getElementById('blauw' + idnum).style.display = 'none';
	document.getElementById('groen' + idnum).style.display = 'none';
}
function showBlauw(idnum){
	document.getElementById('rood' + idnum).style.display = 'none';
	document.getElementById('blauw' + idnum).style.display = 'block';
	document.getElementById('groen' + idnum).style.display = 'none';
}
function showGroen(idnum){
	document.getElementById('rood' + idnum).style.display = 'none';
	document.getElementById('blauw' + idnum).style.display = 'none';
	document.getElementById('groen' + idnum).style.display = 'block';
}

function readmore(idnum){
	document.getElementById('readmore' + idnum).style.display = 'block';
	document.getElementById('readless' + idnum).style.display = 'none';
}

function readless(idnum){
	document.getElementById('readmore' + idnum).style.display = 'none';
	document.getElementById('readless' + idnum).style.display = 'block';
}

function popup(url) {
	newwindow = window.open(url,'photopopup','titlebar=no, toolbar=no, resizable=yes, scrollbars=no');
	newwindow.focus()
	return false;
}