function openwin (sel) {
    if (sel.selectedIndex > 2) { wsize = "width=720,height=580,resizable=1,scrollbars=1,menubar=1,location=1,personalbar=1"; }
    else { wsize = "width=200,height=160"; }
    w = window.open(sel.options[sel.selectedIndex].value,'Diversions',wsize+',toolbar=1,status=1,resizable=1')
	if (focus) { w.focus(); }
}