Conversioni da numeri Arabi in numeri Romani
Vedi lo Script
<!-- Script by renatoweb.it --> <style type="text/css"> .txt{border:1px solid grey;width:150px;height:25px;font-size:12px;padding:5px;} .fnt{font-size:12px;font-family:arial,verdana;} </style> <script type="text/javascript"> function convert_roman() { var narr=new Array("1000000","900000","500000","400000","100000","90000","50000","40000","10000","9000","5000","4000","1000","900","500","400","100","90","50","40","10","9","5","4","1"); var rarr=new Array("<span style='text-decoration: overline'>M</span>", "<span style='text-decoration: overline'>CM</span>", "<span style='text-decoration: overline'>D</span>", "<span style='text-decoration: overline'>CD</span>", "<span style='text-decoration: overline'>C</span>", "<span style='text-decoration: overline'>XC</span>", "<span style='text-decoration: overline'>L</span>", "<span style='text-decoration: overline'>XL</span>", "<span style='text-decoration: overline'>X</span>", "<span style='text-decoration: overline'>IX</span>", "<span style='text-decoration: overline'>V</span>", "<span style='text-decoration: overline'>IV</span>", "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"); var numero = parseInt(document.getElementById("numero").value); if(numero > 3999999 || numero < 1) { alert("Prego inserire un numeroero comprisa tra 1 and 3.999.999"); return; } var risult = ""; var chk = numero; while (chk > 0 ) { var i; for (i=0; i<narr.length; i++) { if(chk >= narr[i] ) { risult += rarr[i]; chk -= narr[i]; break; } } } document.getElementById("ris").innerHTML=risult; } function isinteger(s) { var i; s = s.toString(); for (i = 0; i < s.length; i++) { var c = s.charAt(i); if (isNaN(c)) { alert("Attenzione non č un numero"); return false; } } return true; } </script> <!-- Script by renatoweb --> <body> <table align=center> <tr><td class="fnt">Digitare il numero:</td><td><input type="text" class="txt" id="numero" value="" onkeyup="isinteger(this.value); convert_roman();"></td></tr> <tr><td class="fnt">Numero Romano:</td><td class="fnt"><div id="ris" style='border:1px solid grey;height:20px; padding: 2px; padding-left: 8px;'></div></td></tr> <tr><td colspan=2><div align=center style="font-size: 10px; color:red;" id="miodiv"> <a href="http://www.renatoweb.it" id="mio" style="text-decoration:none; color: red;">Šrenatoweb</a> </div></td></tr> </table> </body>