<!--

function show(id) {
	document.getElementById(id).style.display = "block";
}

function hide(id) {
	document.getElementById(id).style.display = "none";
}

function visibility(id, di) {
	box = document.forms[0].studienrichtung;
	destination = box.options[box.selectedIndex].value;
	if(destination == "0") {
		show(id);
		show(di);
	}
	else {
		hide(id);
		hide(di);
	}
}

function changeImage(id, img) {
	if (document.images) {
		document.images[id].src = "images/" + img;
	}
}


function loadUnternehmen() {
	enableSubmit(false); // Senden Button deaktivieren
	
	req = getXMLRequester();
	req.onreadystatechange = handleResponseUnternehmen;
	cup = document.getElementById('cup').value;
	req.open('GET', 'teilnehmeradd2cup.php?action=getunternehmen&cup='+ cup, true);
	req.send(null);
}
function handleResponseUnternehmen() {
	if ((req.readyState == 4) && (req.status == 200)) {
		document.getElementById('enterprise').innerHTML = req.responseText;
	}
}
function enableSubmit(stat) {
	var disp;
	if(stat == true)
	  disp = "block";
	else
	  disp = "none";

	if (document.getElementById) {
		var style2 = document.getElementById("senden").style;
		style2.display = disp;

	} else if (document.all) {
		var style2 = document.all["senden"].style;
		style2.display = disp;

	} else if (document.layers) {
		var style2 = document.layers["senden"].style;
		style2.display = disp;
	}
}


// AJAX mal einsetzen
function getXMLRequester( ){
    var xmlHttp = false;
    // try to create a new instance of the xmlhttprequest object
    try{
        // Internet Explorer
        if( window.ActiveXObject ){
            for( var i = 5; i; i-- ){
                try{
                    // loading of a newer version of msxml dll (msxml3 - msxml5) failed
                    // use fallback solution
                    // old style msxml version independent, deprecated
                    if( i == 2 ){
                        xmlHttp = new ActiveXObject( "Microsoft.XMLHTTP" );
                    }
                    // try to use the latest msxml dll
                    else{

                        xmlHttp = new ActiveXObject( "Msxml2.XMLHTTP." + i + ".0" );
                    }
                    break;
                }
                catch( excNotLoadable ){
                    xmlHttp = false;
                }
            }
        }
        // Mozilla, Opera und Safari
        else if( window.XMLHttpRequest ){
            xmlHttp = new XMLHttpRequest();
        }
    }
    // loading of xmlhttp object failed
    catch( excNotLoadable ){
        xmlHttp = false;
    }
    return xmlHttp ;
}


function goToUser(teilnehmer) {
    if(opener && !opener.closed && opener.NEUFENSTERNAME) {
        opener.location.href = "verwaltung.php?action=teilnehmer&do=view&id="+ teilnehmer;
        self.close();
    }
}
// -->