var popWindow; var gPage; var gText; var gHeight; var gWidth; var gScroll;
var newWindow = null;

function openWindow(gPage,gText,gHeight,gWidth,gScroll) {

if (newWindow != null) {
   if (!window.newWindow.closed){window.newWindow.close()};
   }
if (gPage != "") {nwURL=gPage}
if (gText != "") {nwURL=nwURL+"?"+gText}
if (gWidth != "") {nwWidth=gWidth}
else {nwWidth="500"};
if (gHeight != "") {nwHeight=gHeight}
else {nwHeight="400"};
newWindow = window.open(nwURL,"newWindow","toolbar=no,location=no,resizeable=yes,scrollbars="+gScroll+",width="+nwWidth+",height="+nwHeight,"copyhistory=no")
}