CODE UTF-8

var int2hex=["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"];

var code= new Array ({lib:"latin basique", ustart:"U+0000", uend:"U+007F",start:"0",stop:"127"},
{lib:"supplément latin-1", ustart:"U+0080", uend:"U+00FF",start:"128",stop:"255"},
{lib:"latin étendu - A", ustart:"U+0100", uend:"U+017F",start:"256",stop:"383"},
{lib:"latin étendu - B", ustart:"U+0180", uend:"U+024F",start:"384",stop:"591"},
{lib:"extensions API", ustart:"U+0250", uend:"U+02AF",start:"592",stop:"685"},
{lib:"lettres modificatives", ustart:"U+02B0", uend:"U+02FF",start:"688",stop:"767"},
{lib:"diacritiques combinants", ustart:"U+0300", uend:"U+036F",start:"768",stop:"879"},
{lib:"grec et copte", ustart:"U+0370", uend:"U+03FF",start:"880",stop:"1023"},
{lib:"cyrillique", ustart:"U+0400", uend:"U+04FF",start:"1024",stop:"1279"},
{lib:"supplément cyrillique", ustart:"U+0500", uend:"U+052F",start:"1280",stop:"1327"},
{lib:"arménien", ustart:"U+0530", uend:"U+058F",start:"1328",stop:"1423"},
{lib:"hébreu", ustart:"U+0590", uend:"U+05FF",start:"1424",stop:"1535"},
{lib:"arabe", ustart:"U+0600", uend:"U+06FF",start:"1536",stop:"1791"},
{lib:"syriaque", ustart:"U+0700", uend:"U+074F",start:"1792",stop:"1871"},
{lib:"supplément arabe", ustart:"U+0750", uend:"U+077F",start:"1872",stop:"1919"},
{lib:"thâna", ustart:"U+0780", uend:"U+07BF",start:"1920",stop:"1983"},
{lib:"n’ko", ustart:"U+07C0", uend:"U+07FF",start:"1984",stop:"2047"},
{lib:"(samaritain)", ustart:"U+0800", uend:"U+083F",start:"2048",stop:"2111"},
{lib:"(mandaïque)", ustart:"U+0840", uend:"U+085F",start:"2112",stop:"2143"},
{lib:"*(reservé 1)", ustart:"U+0860", uend:"U+087F",start:"2144",stop:"2175"},
{lib:"¿arabe étendu-A?", ustart:"U+0880", uend:"U+08BF",start:"2176",stop:"2239"},
{lib:"*(reservé 2)", ustart:"U+08C0", uend:"U+08FF",start:"2240",stop:"2303"},
{lib:"dévanâgarî", ustart:"U+0900", uend:"U+097F",start:"2304",stop:"2431"},
{lib:"bengalî", ustart:"U+0980", uend:"U+09FF",start:"2432",stop:"2559"},
{lib:"gourmoukhî", ustart:"U+0A00", uend:"U+0A7F",start:"2560",stop:"2687"},
{lib:"goudjarâtî (gujrâtî)", ustart:"U+0A80", uend:"U+0AFF",start:"2688",stop:"2815"},
{lib:"oriyâ", ustart:"U+0B00", uend:"U+0B7F",start:"2816",stop:"2943"},
{lib:"tamoul", ustart:"U+0B80", uend:"U+0BFF",start:"2944",stop:"3071"},
{lib:"télougou", ustart:"U+0C00", uend:"U+0C7F",start:"3072",stop:"3199"},
{lib:"kannara", ustart:"U+0C80", uend:"U+0CFF",start:"3200",stop:"3327"},
{lib:"malayalam", ustart:"U+0D00", uend:"U+0D7F",start:"3328",stop:"3455"},
{lib:"singhalais", ustart:"U+0D80", uend:"U+0DFF",start:"3456",stop:"3583"},
{lib:"thaï", ustart:"U+0E00", uend:"U+0E7F",start:"3584",stop:"3711"},
{lib:"laotien", ustart:"U+0E80", uend:"U+0EFF",start:"3712",stop:"3839"},
{lib:"tibétain", ustart:"U+0F00", uend:"U+0FFF",start:"3840",stop:"4095"}); 

function _(idx)
{
return document.getElementById(idx);
}

function load()
{
for (e in code)
{
_("lst").options[_("lst").length] = new Option(code[e].lib,e,false,false);
}
charger(0);
}

function int2hex_(code,lng)
{
str="";
for (k=0;k<lng;k++)
{
str=int2hex[code&15]+str;
code>>=4;
}
return str;
}

function charger(idx)
{
pstart = code[idx].start - (code[idx].start % 16);
pstop = code[idx].stop - (code[idx].stop % 16) + 16;
h = (pstop - pstart)>>4;

htm="<table cellpadding=0 cellspaccing=0 >";
htm+="<tr><td>---</td>";
for (i=0;i<16;i++)
{
htm+="<td style='text-align:center'><b>"+int2hex_(i,1)+"</b></td>";
}
htm+="</tr>\n";
for (y=0;y<h;y++)
{
htm+="<tr><td><b>"+int2hex_(pstart+(16*y),4)+"</b></td>";
for (i=0;i<16;i++)
{
px = (pstart+y*16+i);
htm+="<td style='width:50px;height:32px;border:1px dashed black;text-align:center;font-size:21px' onmouseover='choix(this,"+px+")' onmouseout='choix(this,-1)'>";
htm+=(px>=code[idx].start&&px>0) ? "&#"+px+";" : "&nbsp;";
htm+="</td>";
}
htm+="</tr>\n";
}
htm+="</table>";

htm+=+pstart+" -> "+pstop;
_("tableau").innerHTML=htm;

}

function choix(src,px)
{
if (px<0)
{
_("info").innerHTML="<br/>";
} else
{
htm="code UTF-8 : "+px+" (#"+int2hex_(px,4)+") ";
_("info").innerHTML=htm;
}

src.style.background = (px<0)?"none":"#E0E0E0";
}