function newCreativeWindow(loc) {
    var left=0;
    if (screen.availWidth>1000){
        left=((screen.availWidth-1000)/2);
    }
    newFullWindow(loc);
}

function newCentredWindow(loc, w, h) {
    var left=0;
    if (screen.availWidth>1000){
        left=((screen.availWidth-1000)/2);
    }
    newBlankWindow(loc, 0, left, w, h, 'scrollbars=yes,status=yes,resizable,titlebar=0,hotkeys=0');
}

function newBlankWindow(loc, t, l, w, h, opt) {
    var resize = '';							// Set the defaults
    var titlebar = '';
    var wvalue = w;
    var hvalue = h;
    window.open(loc,'', 'top=' + t + ',left=' + l + ',width=' + wvalue + ',height=' + hvalue + ',' + opt);
}

function newFullWindow(loc) {
    var wvalue = screen.availWidth - 7;
    var hvalue = screen.availHeight - 60;
    newBlankWindow(loc,0,0,wvalue,hvalue,'scrollbars=yes,status=yes,resizable,titlebar=0,hotkeys=0');
}