//het ajax gedeelte
var ajax = new sack();

function contact(){
    
    var form = document.getElementById('form');

    if (!form.naam.value || !form.emailadres.value || !form.bericht.value || !form.onderwerp.value)
    {
        alert('Vul alle velden in aub!');
        form.submit.disabled=0;
        return;
    }
    
	ajax.setVar("naam", form.naam.value);
	ajax.setVar("emailadres", form.emailadres.value);
	ajax.setVar("onderwerp", form.onderwerp.value);	
	ajax.setVar("bericht", form.bericht.value);	
	
	ajax.requestFile       = "/services/itw_contact.php";
	ajax.method            = 'post';
	ajax.element           = contact;
	ajax.onCompletion      = contactCompleted;
	ajax.onError           = contactError;
	
	ajax.runAJAX();	

}

function contactCompleted(){
        
    var e = document.getElementById('contact');    
    e.innerHTML = ajax.response;

}

function contactError(){
    
    var e = document.getElementById('contact');
    e.innerHTML = "Het versturen is <b>mislukt</b>!<br/>Probeer het nogmaals of mail ons op<br/><a href=\"/html/nl/contact/\">info@it-works.nl</a>";    

}

function nieuwsbrief(){
    
    var form = document.getElementById('form');
    
    if (!form.naam.value || !form.emailadres.value)
    {
        alert('Vul alle velden in aub!');
        form.submit.disabled=0;
        return;
    }
    
	ajax.setVar("naam", form.naam.value);
	ajax.setVar("emailadres", form.emailadres.value);
	ajax.setVar("aan-af-melden", form.aanafmelden.value);		
	
	ajax.requestFile       = "/services/itw_nieuwsbrief.php";
	ajax.method            = 'post';
	ajax.element           = nieuwsbrief;
	ajax.onCompletion      = nieuwsbriefCompleted;
	ajax.onError           = nieuwsbriefError;
	
	ajax.runAJAX();	

}

function nieuwsbriefCompleted(){
        
    var e = document.getElementById('nieuwsbrief');    
    e.innerHTML = ajax.response;

}

function nieuwsbriefError(){
    
    var e = document.getElementById('nieuwsbrief');
    e.innerHTML = "Het aan/af-melden is <b>mislukt</b>!<br/>Probeer het nogmaals of mail ons op<br/><a href=\"/html/nl/contact/\">info@it-works.nl</a>";

}

function fotovenster(venster, breedte, hoogte) {
    var w=window.open(venster,'fotovenster',"top=45,left=45,width="+ breedte + ",height=" + hoogte + ",resizable=yes,scrollbars=no");
    w.focus();
    return;
}

function toonUitleg(woord)
{
    ajax.setVar("woord", woord);
    
	ajax.requestFile       = "/services/itw_toonuitleg.php";
	ajax.method            = 'post';
	ajax.element           = toonUitleg;
	ajax.onCompletion      = toonUitlegCompleted;	
	
	ajax.runAJAX();	
}

function toonUitlegCompleted(){
        
    var e = document.getElementById('toonUitleg');    
    e.innerHTML = ajax.response;
    
    div_display ('toonUitleg');
}

/* misc functions */
div_hide = function (id)
{
    document.getElementById (id).className = 'hdn';
}

div_display = function (id)
{
    document.getElementById (id).className = 'vsbl';
}