function windowHeight() {
  var myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myHeight = window.innerHeight;
  } else if( document.documentElement && document.documentElement.clientHeight ) {
    //IE 6+ in 'standards compliant mode'
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && document.body.clientHeight ) {
    //IE 4 compatible
    myHeight = document.body.clientHeight;
  }
//  window.alert( 'Height = ' + myHeight );
  return myHeight;
}

function changeDivHeight() {
    var b = document.body.scrollHeight - document.getElementById('footer').offsetTop;
    var pp = document.getElementById('personalinfo');
    var h = windowHeight();
    document.getElementById('central-pic-estret-04').style.height = h + "px";
    var t = 0;
    if (pp) t = pp.offsetTop;
    if (pp) {
      h = windowHeight() - t - 92;
      document.getElementById('personalinfo').style.height = h + "px";
    }
}

onresize = changeDivHeight;