// JavaScript Document
function CheckFormContact() {
	
	var errorMsg = "";
	
	//Check for an name
	if (document.contactform.ContactName.value==""){
		errorMsg += "\nContactpersoon\t - Vul de naam van de contactpersoon in";
	}

	//Check emailadres
		var str = document.contactform.Email.value
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		
		if (str==null || str=="" || str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr || str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr || str.indexOf(at,(lat+1))!=-1 || str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot || str.indexOf(dot,(lat+2))==-1 || str.indexOf(" ")!=-1){
		   errorMsg += "\nE-mailadres\t - Vul een (geldig) emailadres in";
		}
	
	if (document.contactform.Phone.value==""){
		errorMsg += "\nTelefoon\t\t - Vul uw telefoonnummer in";
	}

	if (document.contactform.Msg.value==""){
		errorMsg += "\nUw Bericht\t - Vul uw bericht in";
	}

	//If there is a problem with the form then display an error
	if (errorMsg != ""){
		msg = "____________________________________________________________________\n\n";
		msg += "Het bericht is niet verzonden.\n";
		msg += "Corrigeer het probleem en probeer het opnieuw.\n";
		msg += "____________________________________________________________________\n\n";
		
		errorMsg += alert(msg + errorMsg + "\n\n");
		return false;
	}
	
	return true;
}