function checkVelden()
{	
	formCheck = document.form
	var veldCheck = new Array("0","1","2");
	var i = 0;
	for(i=0;i<veldCheck.length;i++)
	{
		if(formCheck.elements[veldCheck[i]].value=='')
		{	
			formCheck.elements[veldCheck[i]].style.backgroundColor='#BFCDD8';
			formCheck.elements[veldCheck[i]].style.color='#000000';
		}
		else
		{
			formCheck.elements[veldCheck[i]].style.backgroundColor='#FFFFFF';
			formCheck.elements[veldCheck[i]].style.color='#000000';
		}
	}
	if(formCheck.elements[0].value!='' && formCheck.elements[1].value!='' && formCheck.elements[2].value!='')
	{
		checkEmail = formCheck.email.value
		if ((checkEmail.indexOf('@') < 0) || ((checkEmail.charAt(checkEmail.length-4) != '.') && (checkEmail.charAt(checkEmail.length-3) != '.')))
		{
			alert("Geen geldig email adres opgegeven");
			formCheck.email.focus();
			formCheck.email.style.backgroundColor='#BFCDD8';
			formCheck.email.style.color='#000000';
		}
		else
		{
			formCheck.submit();
		}
	}
}