var popwindow
var tisurl
var tiswidth
var tisheight
var tistopposition
var tisleftposition
var pause=20
var step=10
var marginright
var endposition
var timer

function openpopup(thisurl,thiswidth,thisheight,thistopposition) {
        tisurl=thisurl
        tiswidth=thiswidth
        tisheight=thisheight
        tistopposition=thistopposition
        tisleftposition=-tiswidth

        popwindow=window.open(tisurl, "newwindow", "toolbar=no,width="+tiswidth+",height="+tisheight+",top="+tistopposition+",left="+(tisleftposition)+"");

        if (document.all) {
                marginright=screen.width
                endposition=marginright-thiswidth-10
                movewindow()
        }
        if (document.layers) {
        marginright=window.innerWidth-10
                endposition=marginright-thiswidth
                movewindow()
        }
}

function movewindow() {
        if (tisleftposition<=endposition) {
                popwindow.moveTo(tisleftposition,tistopposition)
                tisleftposition+=step
                timer= setTimeout("movewindow()",pause)
        }
        else {
                clearTimeout(timer)
        }
}