// Finding the size of the browser window
// Sprawdza aktualne parametry okna przeglądarki
// Funkcja ma trzy alternatywne parametry alert || width ||  height

// http://www.howtocreate.co.uk/tutorials/javascript/browserwindow
// * Clue browser can only work out window width. 
// * Tkhtml Hv3 has the body/documentElement clientHeight/Width values reversed - versions before September 2007 also do not support innerHeight/Width, so they cannot work with this script. 



function alertWindowSize(cozwaraca) {
  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;
  }
  
  if(cozwaraca=="alert"){
	  window.alert( 'Width = ' + myWidth );
	  window.alert( 'Height = ' + myHeight );
  }  
  else if (cozwaraca=="width") { return myWidth; }
  else if (cozwaraca=="height") { return myHeight;}  
  else { window.alert('nie wybrano parametru funkcji'); }

}