Funkcija, kuri sukuria alert\'a su skaiciais kurie parodo kokio dydzio yra langas 

function alertSize() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == \'number\' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in \'standards compliant mode\'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  window.alert( \'Width = \' + myWidth );
  window.alert( \'Height = \' + myHeight );
}Truputeli pertvarkyta: grazina 
plocio reiksme
function myWidth() {
  var myWidth = 0;
  if( typeof( window.innerWidth ) == \'number\' ) {
    //Non-IE
    myWidth = window.innerWidth;
  } else if( document.documentElement && ( document.documentElement.clientWidth ) ) {
    //IE 6+ in \'standards compliant mode\'
    myWidth = document.documentElement.clientWidth;
  } else if( document.body && ( document.body.clientWidth ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
  }
  
  return myWidth;
}Truputeli pertvarkyta: grazina 
aukscio reiksme
function myHeight() {
  var myHeight = 0;
  if( typeof( window.innerHeight ) == \'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;
  }
  
  return myHeight;
}