function submitenter(myfield,e){
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;

if (keycode == 13)
   {
   myfield.form.submit();
   return false;
   }
else
   return true;
}

function text2Pass(obj){
	document.getElementById(obj).innerHTML = '<input id="txtPwd" value="" type="password" name="txtPwd" onKeyPress="return submitenter(this,event)" />';
	document.frmLogin.txtPwd.focus();
	document.frmLogin.txtPwd.focus();
	document.frmLogin.txtPwd.focus();
}	

function clearBox(obj){
		if (obj.value == 'gebruikersnaam'){
			obj.value = '';
		}
}