function checkMail(x)
				 {
						var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
						return filter.test(x);
				 }
					  
				function checkFrm(){
					var x = document.formulier;
					var error = 0;
						
					if(x.mail.value=="" || !checkMail(x.mail.value)){
						error = 1;
						document.getElementById('lblMail').innerHTML = '<font color="red">*</font>';
					} else {
						document.getElementById('lblMail').innerHTML = '*';
					}
					
					if(x.password.value==""){
						error = 1;
						document.getElementById('lblPassword').innerHTML = '<font color="red">*</font>';
					} else {
						document.getElementById('lblPassword').innerHTML = '*';
					}
					
					if(error==0)
						x.submit();
					else
						document.getElementById('lblError').innerHTML = '<font color="red">* verplichte velden (enkel voor intern gebruik)</font>';

				}