function add_bold()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+'<strong></strong>';
}

function add_italic()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+'<em></em>';
}

function add_hr()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+'<hr />';
}

function add_big(){
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+'<big></big>';
}

function add_small()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+'<small></small>';
}

function add_smile()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' :) ';
}

function add_biggrin()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' :D ';
}

function add_surprised()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' :O ';
}

function add_cool()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' 8) ';
}

function add_evil()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' :[ ';
}

function add_idea()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' O:] ';
}

function add_sad()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' :( ';
}

function add_wink()
{
  document.form1.body.focus();
  document.form1.body.value=document.form1.body.value+' ;) ';
}

function mail()
{
  var adr;
  adr=prompt("Zadejte e-mailovou adresu.","@");
  if (adr)
  {
    document.form1.body.focus();
    document.form1.body.value=document.form1.body.value+'<a href=mailto:'+adr+'>'+adr+'</a>';
  }
}

function add_link()
{
  var adr;
  adr=prompt("Zadejte URL odkazu:","http://");
  if (adr)
  {
    document.form1.body.focus();
    document.form1.body.value=document.form1.body.value+'<a href='+adr+'>'+adr+'</a>';
  }
}


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function showElement(elementId)
{
  d=document.getElementById("" + elementId + "");
  if (d.style.display=='none')
  {
    d.style.display='';
  }
  else
  {
    d.style.display='none';
  }
}