var done=false;
function launchViewer(filename,x)
 {
 if (!done)
 {       
    if ( x == 250)
        {
            window.imagex=x;
            window.imagename=filename;
            viewer=window.open('../actors/view.htm','VIEWER','scrollbars=yes,status=no,resizable=no,width=300,height=480');
            viewer.opener=window;
            viewer.focus();
        }
     else
        {
        window.imagex=x;
            window.imagename=filename;
            viewer=window.open('../actors/view.htm','VIEWER','scrollbars=yes,status=no,resizable=no,width=420,height=300');
            viewer.opener=window;
            viewer.focus();
        }   
 }
 return done;
 }