//bgn.centered
function img_view(fileName, width, height) {
  var str = "height=" + height + ",innerHeight=" + height;
  str += ",width=" + width + ",innerWidth=" + width;
  if (window.screen) {
    var ah = screen.availHeight - 30;
    var aw = screen.availWidth - 10;
    var xc = (aw - width) / 2;
    var yc = (ah - height) / 2;
    str += ",left=" + xc + ",screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc;
  }
	var url = "images/" + fileName;
	var name = "imgView";	
 window.open(url, name,"1,0,0,0,0,0,"+str);
 return;
}
//end.centered