function decahex(n) {
 return hexa.charAt(n / 16) + hexa.charAt(n % 16);
}

function colorHexa(c) {
 c = c.split(",");
 return "#" + decahex(c[0]) + decahex(c[1]) + decahex(c[2]);
}

function transitar(ini, fin, pasos) {
 var dato = desglose(ini);
 var rIni = dato[0];
 var gIni = dato[1];
 var bIni = dato[2];

 var intermedios = new Array(pasos);
 //var rgb = new Array(3);
 intermedios[0] = dato;

 var dato = desglose(fin);

 intermedios[pasos - 1] = dato;

 var rFin = dato[0];
 var gFin = dato[1];
 var bFin = dato[2];

 var rMed = (rFin - rIni) / (pasos - 1);
 var gMed = (gFin - gIni) / (pasos - 1);
 var bMed = (bFin - bIni) / (pasos - 1);

 for (var i = 1; i < pasos - 1; i ++){
  var rgb = new Array(3);
  rgb[0] = parseInt(rIni + (rMed * i));
  rgb[1] = parseInt(gIni + (gMed * i));
  rgb[2] = parseInt(bIni + (bMed * i));

  intermedios[i] = rgb;
 }
// alert(intermedios);
 for (i = 0; i < intermedios.length; i ++)
  intermedios[i] = colorHexa(intermedios[i].join(","));

 return intermedios;
}

function desglose(color) {
if (color.length != 6)
 return "poblema";
else {
  devolver = new Array(3);
  devolver[0] = hexadec(color.substr(0, 2));
  devolver[1] = hexadec(color.substr(2, 2));
  devolver[2] = hexadec(color.substr(4, 2));
 }
 return devolver;
}
var hexa = "0123456789abcdef";

function hexadec(x) {
  x = x.toLowerCase();
  return parseInt(hexa.indexOf(x.charAt(0))) * 16 + parseInt(hexa.indexOf(x.charAt(1)))
}