function openWin(wUri, wName, wWidth, wHeight, wScroll, wMenu, wResizable) {
  var scrollBars = (wScroll!=0) ? 1 : 0;
  var menuBars = (wMenu) ? 1 : 0;
  var resizable = (wResizable) ? 1 : 0;
  var positionLeft = (screen.width - wWidth)/2;
  var positionTop = (screen.height - wHeight)/2;
  var myW = window.open(wUri,wName,'width='+wWidth+',height='+wHeight+',top='+positionTop+',left='+positionLeft+',location=0,menubar='+menuBars+',resizable='+resizable+',scrollbars='+scrollBars+',status=0,titlebar=0,toolbar=0,directories=0,hotkeys=0')
  myW.focus();
}