function ValForm()
{
	var obj_focus="";
	var val_txt ="" ;
	
	var obj = document.getElementById("achternaam");	
	if (obj.value == "")
	{
		if (obj_focus==""){obj_focus = obj;}
		obj.style.border="#1D527A 1px solid";
		val_txt += "Naam\t\t: Verplicht\t\n"
	}
	
	var obj = document.getElementById("telefoon");	
	if (obj.value == "")
	{
		if (obj_focus==""){obj_focus = obj;}
		obj.style.border="#1D527A 1px solid";
		val_txt += "Telefoon\t\t: Verplicht\t\n"
	}
	
	var obj = document.getElementById("email");	
	if (obj.value == "")
	{
		if (obj_focus==""){obj_focus = obj;}
		obj.style.border="#1D527A 1px solid";
		val_txt += "E-mail\t\t: Verplicht\t\n"
	} else {
		if ((obj.value.indexOf(".") == -1) || (obj.value.indexOf("@") == -1))
		{
			if (obj_focus==""){obj_focus = obj;}
			obj.style.border="#1D527A 1px solid";
			val_txt += "E-mail\t\t: Ongeldig\t\n"
		}
	}
	
	if (val_txt != "")
	{
		alert(val_txt);
		obj_focus.focus();
		return false;	
	} else {
		return true;
	}
}