window.onload = function() {
    // in der Statuszeile steht der Titel
    window.defaultStatus = document.title;

    // die Seite darf nicht in einem Frame geladen werden
    if(top.frames.length > 0)
        top.location.href = self.location;

//    moveNavi();
    centeredElements = getElementsByClassName("center");
}

window.onresize = function() {
//    moveNavi();
}


// zentrieren der Navigationsleiste
function moveNavi() {
    var menue = document.getElementById("navigation").getElementsByTagName("ul")[0];
    var totalWidth = 0;
    if( typeof( window.innerWidth ) == 'number' ) {
        //Non-IE
        totalWidth = window.innerWidth;
    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        //IE 6+ in 'standards compliant mode'
        totalWidth = document.documentElement.clientWidth;
    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        //IE 4 compatible
        totalWidth = document.body.clientWidth;
    }
    var menueWidth = menue.offsetWidth;
    var leftpos = (totalWidth - menueWidth) / 2;
    menue.style.left = leftpos+"px";
}

function getElementsByClassName (className) {
    var elements = [];
    var nodes = document.getElementsByTagName('*');

    for(var i = 0; i<nodes.length; i++) {
        var classes = nodes[i].className.split(" ");
        for(var j=0; j<classes.length; j++) {
            if(classes[j] == className)
                elements.push(nodes[i]);
        }
    }
    return elements;
}