var popwindow
var popwindowwidth=440
var popwindowheight=300
var popwindowtop=280
var popwindowURL="pop.htm"
var pause=10
var step=10

var popwindowleft=-popwindowwidth-0
var marginright=0
var margintop=0
var pagecenter
var timer

function entrypoint() {
        var starter= setTimeout("entrypoint2()",2000)
}

function entrypoint2() {
        popwindow = window.open(popwindowURL, "FFFFFFFFFF", "toolbar=no,width="+popwindowwidth+",height="+popwindowheight+",top="+popwindowtop+",left="+(-popwindowwidth)+"");

        if (document.all) {
                marginright=screen.width
                pagecenter=marginright-660
                movewindow()
        }
        if (document.layers) {
                pagecenter=400
                movewindow()
        }
}

function movewindow() {
                if (popwindowleft<=pagecenter) {
                        popwindow.moveTo(popwindowleft,popwindowtop)
                        popwindowleft+=step
                        timer= setTimeout("movewindow()",pause)
                }
                else {
                        clearTimeout(timer)
                }
}