function newwindow(url,id, width, height)
{
  window.open(url, id, 'width = '+width+', height = '+height+',resizable=0,scrollbars=1,menubar=0,status=0, left='+Math.max(0,(screen.width-width)/2)+', top='+Math.max(0,(screen.height-height)/2));
}
function newwindow1(url,id, width, height)
{
  window.open(url, id, 'width = '+width+', height = '+height+',resizable=0,scrollbars=1,menubar=0,status=0, left='+Math.max(0,(screen.width-width)/2)+', top='+Math.max(0,(screen.height-height)/2));
}