var browserVer = navigator.appVersion.charAt(0);
function winOpen(myURL,mywinName,myfeatures) { 
  myWin = window.open(myURL,mywinName,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes," + myfeatures);
  	if (browserVer > 3) {
		myWin.focus() ;
	}
}