function popupPage(page_pop) {

if (page_pop == "ato") {var page = "../../data/html/ato.html";}
if (page_pop == "gps") {var page = "../../data/html/gps.html";}
if (page_pop == "mbr") {var page = "../../data/html/mbr.php";}
if (page_pop == "pct") {var page = "../../data/html/photocredit.php";}

windowprops = "height=200,width=400,location=no,"
+ "scrollbars=yes,menubars=no,toolbars=no,resizable=no";

window.open(page, "Popup", windowprops);
}