function gEBI( objId ){
  return document.getElementById( objId );
}
function txtSize( iSize ){
  var aSizes = Array( '0.917em', '', '1.333em' );
  var aChange = Array( 'text', 'h5' );
  var aSizesDefault = Array( '1.000em', '1em' );
  for( var i = 0; i < aChange.length; i++ ){
    if( !aSizes[iSize] )
      iSize = 1;
    if( gEBI( aChange[i] ) ){
      gEBI( aChange[i] ).style.fontSize = ( iSize != 1 ) ? aSizes[iSize] : aSizesDefault[i];
    }
    else if( gEBI( 'text' ).getElementsByTagName( aChange[i] ) ){
      aH5 = gEBI( 'text' ).getElementsByTagName( aChange[i] );
      for( var j = 0; j < aH5.length; j++ ){
        aH5[j].style.fontSize =  ( iSize != 1 ) ? aSizes[iSize] : aSizesDefault[i];
      }
    }
  }
}
function menu(){document.getElementById('menu2').style.display='';document.getElementById('rozwijane').style.backgroundImage="url('http://www.mainecoon-krakow.pl/img/link.png')";document.getElementById('rozwijane').style.backgroundRepeat='repeat'}function menuchowaj(){document.getElementById('menu2').style.display='none';document.getElementById('rozwijane').style.backgroundImage='none'}function sprawdzmail(){email=document.getElementById('mail').value;var regex=/^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;var odp=regex.test(email);if(!odp){document.getElementById('mail').style.background='red';document.getElementById('przycisk1').disabled=true}else{document.getElementById('mail').style.background='white';document.getElementById('przycisk1').disabled=false}}