MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */

// NeoGeo Color converter
(function () {

  var cconvdiv = document.getElementById('color-converter');
  cconvdiv.innerHTML = '<form name="cconvform" action=""><input type="text" maxlength="3" size="4" id="color-red">' +
                       '<input type="text" maxlength="3" size="4" id="color-green">' +
                       '<input type="text" maxlength="3" size="4" id="color-blue">' +
                       '<input type="button" value="Convert" onClick="cconv(this.form);"></form>';

}());

function cconv(frm) {

  var red = Math.floor(frm.color-red.value / 8);
  var green = Math.floor(frm.color-green.value / 8);
  var blue = Math.floor(frm.color-blue.value / 8);

  document.getElementById('cconvresult').innerHTML = ((red&1)<<14)|((green&1)<<13)|((blue&1)<<12)|((red&0x1E)<<7)|((green&0x1E)<<3)|(blue>>1);

}