Co vyjadřuje tento script?

Zdravím, jsem laik co se zajímá, tak pokud má někdo čas a chuť poradit............díky

</script>
<script language="JavaScript">

<!--

// optional fields

options_hidden = true;

function Show_Options()

{

if (options_hidden)

{

document.getElementById('optional_website').style.display='block';

document.getElementById('optional_description').style.display='block ';

document.getElementById('optional_website_field').style.display='blo ck';

document.getElementById('optional_description_field').style.display= 'block';

document.getElementById('options_link').innerHTML = '';

options_hidden = false;

}

else

{

document.getElementById('optional_website').style.display='none';

document.getElementById('optional_description').style.display='none' ;

document.getElementById('optional_website_field').style.display='non e';

document.getElementById('optional_description_field').style.display= 'none';

document.getElementById('options_link').innerHTML = '(+) show optional fields';

options_hidden = true;

}

return false;

}


function Clear_Optional (e) {

if (e && e.value == 'optional')

e.value = '';

}
document.write('<style type="text/css">.options {display: none;}</style>');
// -->
</script>
</head>
<script language="JavaScript" type="text/javascript">

function Copy(txt)

{

window.clipboardData.setData('text', txt);

window.status="Code copied to clipboard.";

setTimeout("window.status=''",3000)

}
function CopyHTMLLinkBack(txt1, txt2)

{

var a="<a href='" + txt1 + "'>" + txt2 + "</a>";

window.clipboardData.setData('text', a);

window.status="Code copied to clipboard.";

setTimeout("window.status=''",3000)

}
function my_popup(myurl)

{

var props = 'scrollBars=yes,resizable=yes,toolbar=no,menubar=no,location=no,direct ories=no,width=420,height=220,left=50,top=50';

window.open(myurl, "Report Abusive File", props);

}
</script>