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Print - Roman Numeral Converter 2 - JavaScriptBank.com

Full version: jsB@nk » Utility » Converter » Roman Numeral Converter 2
URL: http://www.javascriptbank.com/roman-numeral-converter-2.html

Roman Numeral Converter 2 © JavaScriptBank.comThis JavaScript will convert whole numbers to Roman numerals, up to 3,999,999. Easy to use.

Full version: jsB@nk » Utility » Converter » Roman Numeral Converter 2
URL: http://www.javascriptbank.com/roman-numeral-converter-2.html



JavaScript
<SCRIPT type=text/javascript><!--// Created by: Kurt Grigg :: http://www.kurtsdhtml.pwp.blueyonder.co.uk/function isValidInput(x){  var inpt = document.getElementById("converterinput");  if (x == "" || /^\s+$/.test(x)){    alert('Empty!\nEnter a number to be converted to Roman numerals.');    inpt.value = "";    inpt.focus();    return false;  }  x = x.replace(/[ ]+/g,"");  inpt.value = x;  if (/\D+/g.test(x)){    alert("Numbers only!\nRemoving non-numerical characters...");    x = x.replace(/\D+/g,"");    inpt.value = x;     if (x == "") {       alert('...no number found after removal.\nTry again.');       inpt.focus();       return false;     }  }  if (/^0+$/g.test(x)){    inpt.value = 0;    inpt.select();    alert('There is no Roman numeral for zero!\nEnter a number from 1 to 3,999,999');    return false;  }  if (x < 1 || x > 3999999){    x = x.replace(/^0+/g,"");    inpt.value = x;    alert('Enter a number from 1 to 3,999,999 only!');    inpt.select();    return false;  }  x = x.replace(/^0+/g,"");  inpt.value = x;  converter(x);}function drawNumerals(n){  var d = document;  var temp = d.getElementById('converteroutput');  temp.firstChild.data = '';  var draw = d.createElement('span');  if (n.toLowerCase() == n){    draw.style.borderTop = '2px solid #000000';    draw.style.fontVariant = 'small-caps';  }  draw.appendChild(d.createTextNode(n));  temp.appendChild(draw);}function converter(e){  var t = drawNumerals;  var a = [[1000000,'m'],  [900000,'cm'],[500000,'d'],[400000,'cd'],[100000,'c'],  [90000,'xc'],[50000,'l'],[40000,'xl'],[10000,'x'],  [9000,'M','x'],[5000,'v'],[4000,'M','v'],[1000,'M'],  [900,'CM'],[500,'D'],[400,'CD'],[100,'C'],  [90,'XC'],[50,'L'],[40,'XL'],[10,'X'],  [9,'IX'],[5,'V'],[4,'IV'],[1,'I']];  for (var i = 0; i < a.length;  i++){    while (e - a[i][0] >= 0){      t(a[i][1]);      if (a[i].length == 3){        t(a[i][2]);      }      e -= a[i][0];    }  }}function resetconverter(){ var temp = document.getElementById("converteroutput");   while (temp.lastChild.nodeName == 'SPAN'){     temp.removeChild(temp.lastChild);   } document.getElementById("converterinput").value = "";}function beginConverter(e){  resetconverter();  isValidInput(e);}//--></SCRIPT><!--    This script downloaded from www.JavaScriptBank.com    Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->


HTML
<DIV id=convertercontainer><DIV id=convertertitle>Numbers To Roman Numerals Converter</DIV>Enter a number from 1 to 3,999,999<BR><INPUT id=converterinput autocomplete="off"> = <SPAN id=converteroutput>&nbsp;</SPAN><BR><INPUT class=converterbuttons onclick="beginConverter(document.getElementById('converterinput').value);this.blur()" type=button value=Convert> <INPUT class=converterbuttons onclick=resetconverter();this.blur() type=button value=Reset> </DIV></DIV><!--    This script downloaded from www.JavaScriptBank.com    Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->