var thisWindow = null;
var nActiveSection = 0;

function OpenWindow(url, winWidth, winHeight, scrollBars) {
    if (winWidth>screen.availWidth)winWidth=screen.availWidth;
    if (winHeight>screen.availHeight)winHeight=screen.availHeight;

    var winLeft = Math.round((screen.width-winWidth)/2);
    var winTop = Math.round((screen.height-winHeight)/2);

    var targetName = '_blank';

    var options = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scrollBars+',resizable=yes,width='+winWidth+',height='+winHeight+',screenX='+winLeft+',screenY='+winTop+',left='+winLeft+',top='+winTop;

    thisWindow = open(url, targetName, options);

    thisWindow.focus();
}

function initContent(init) {
    for (var i=0;i<6;i++) {
        if (i!=init) {
            $$('.t' + String(i)).each(function(e) {e.hide()});
        }
    }
    nActiveSection = init;
}

function activate(a) {
    $$('.t' + String(nActiveSection)).each(function(e) {e.hide()});
    $$('.t' + String(a)).each(function(e) {e.show()});
    nActiveSection = a;
}