var newWin = null;
function closeWin(){
	if (newWin != null){
		if(!newWin.closed)
			newWin.close();
	}
}

function popUp(strURL,strType,strHeight,strWidth) {
  closeWin();
  var strOptions="";
  if (strType=="console") strOptions="resizable,scrollbars";
  if (strType=="fixed") strOptions="status";
  if (strType=="elastic") strOptions="location,toolbar,menubar,scrollbars,resizable";
  newWin = window.open(strURL, null, strOptions);
  newWin.focus();
}