var newwin;

function launchwin(winurl,winname,winfeatures)
{
    //This launches a new window and then
    //focuses it if window.focus() is supported.
    newwin = window.open(winurl,winname,winfeatures);
    if(javascript_version > 1.0)
    {
        //delay a bit here because IE4 encounters errors
        //when trying to focus a recently opened window
         setTimeout('newwin.focus();',250);
    }
}