var hexa = "0123465789ABCDEF";
function DecToHexa(DecNb) {
        x = Math.floor(DecNb / 16);
        h = hexa.charAt(x);
        x = DecNb % 16;
        h += hexa.charAt(x);
        return h;
        }
function Degrade(dr,dv,db,fr,fv,fb,texte) {
        steps = texte.length;
        cr = dr; cv = dv; cb = db;
        sr = (fr - dr) / steps;
        sv = (fv - dv) / steps;
        sb = (fb - db) / steps;
        for (var x = 0; x <= steps; x++) {
                document.write('<FONT COLOR="#' + DecToHexa(cr) + DecToHexa(cv) + DecToHexa(cb) + '">');
                document.write(texte.charAt(x));
                document.write('</FONT>');
                cr += sr; cv += sv; cb += sb;
        }   }