        <!-- Idea by:  Nic Wolfe -->
        <!-- This script and many more are available free online at -->
        <!-- The JavaScript Source!! http://javascript.internet.com -->
        
        <!-- Begin                
            function popitup(url) {
                topVal = (screen.height - 430) / 2;
                leftVal = (screen.width - 500) / 2;
                newwindow=window.open(url,'name','height=430,width=500, left=' + leftVal + ', top=' + topVal + '');
                if (window.focus) {newwindow.focus()}
                return false;
            }
            
            function popupMobilien(url) {
                topVal = (screen.height - 610) / 2;
                leftVal = (screen.width - 620) / 2;
                newwindow=window.open(url,'name','resizable=1, scrollbars=1, height=620,width=640, left=' + leftVal + ', top=' + topVal + '');
                if (window.focus) {newwindow.focus()}
                return false;
            }
            
        // End -->