function Formulier()
{
    if(document.getElementById('Naam').value=='')
    {
        window.alert('Naam is verplicht.');
        document.getElementById('Naam').focus();
        return false;
    }
    if(document.getElementById('Email').value=='')
    {
        window.alert('Email adres is verplicht.');
        document.getElementById('Email').focus();
        return false;
    }
    else
	{
		var goodEmailA = document.getElementById("Email").value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi);
		if (goodEmailA){
		}else{
			window.alert('Dit emailadres is niet valide.');
			document.getElementById("Email").focus();
			return false;
		}
	}
	if(document.getElementById('Telefoon').value=='')
    {
        window.alert('Telefoon is verplicht.');
        document.getElementById('Telefoon').focus();
        return false;
    }
}

var bo_ns_id = 0;

function startIeFix()
{
    if(isIE())
        document.write('<noscript id="bo_ns_id_' + bo_ns_id + '">');
}


function endIeFix()
{
    if(isIE())
    {
        var theObject = document.getElementById("bo_ns_id_" + bo_ns_id++);
        var theNoScript = theObject.innerHTML;
        document.write(theNoScript);
    }
}


function isIE()
{
    var strBrowser = navigator.userAgent.toLowerCase();

    if(strBrowser.indexOf("msie") > -1 && strBrowser.indexOf("mac") < 0)
        return true;
    else
        return false;
}

function SubmitCategories()
{
    if(document.getElementById('rId1').value != '0')
    {
        document.getElementById('rId').value = document.getElementById('rId1').value;
        document.getElementById('mId').value = document.getElementById('mId1').value;
        document.GetPage.submit();
    }
}

function SubmitTypes()
{
    if(document.getElementById('rId2').value != '0')
    {
        document.getElementById('rId').value = document.getElementById('rId2').value;
        document.getElementById('mId').value = document.getElementById('mId2').value;
        document.GetPage.submit();
    }
}