var v=parseInt(navigator.appVersion);
isNetscape=navigator.appName.indexOf('Netscape')>=0;
isExplorer=navigator.appName.indexOf('Explorer')>=0;
if(v>=3) self.focus();

function popupWindow(page) {
ww=800;  wh=600;
positionCode='';
if(v>=4) {
   sw  = screen.width;
   sh  = screen.height;
   wbx = Math.round((sw-ww)/2);
   wby = Math.round((sh-wh)/2);
   if(isExplorer) positionCode='left='+wbx+',top='+wby+',';
   if(isNetscape) positionCode='screenX='+wbx+',screenY='+wby+',';
}

newWindow=window.open(page,'','width='+ww+',height='+wh+','+positionCode+'toolbar=0,'+'scrollbars=0,'+'resizable=0');
if(isNetscape && v>=3) newWindow.focus();
}

function popupDownloadWindow(page) {
ww=546;  wh=400;
positionCode='';
if(v>=4) {
   sw  = screen.width;
   sh  = screen.height;
   wbx = Math.round((sw-ww)/2);
   wby = Math.round((sh-wh)/2);
   if(isExplorer) positionCode='left='+wbx+',top='+wby+',';
   if(isNetscape) positionCode='screenX='+wbx+',screenY='+wby+',';
}

newWindow=window.open(page,'','width='+ww+',height='+wh+','+positionCode+'toolbar=0,'+'scrollbars=0,'+'resizable=0');
if(isNetscape && v>=3) newWindow.focus();
}