function initArray() {
this.length = initArray.arguments.length
for (var i = 0; i < this.length; i++)
this[i+1] = initArray.arguments[i]
}
var hexChars = "0123456789ABCDEF";
function Dec2Hex (Dec) {
var a = Dec % 16;
var b = (Dec - a)/16;
hex = "" + hexChars.charAt(b) + hexChars.charAt(a);
return hex;
}
function bgChanger (begin, end, steps) {
steps = steps -1 ;
redA     = begin.charAt(0) + begin.charAt(1);
red_valA = parseInt(redA,'16');
redB     = end.charAt(0) + end.charAt(1);
red_valB = parseInt(redB,'16');
red_int  = ((red_valB - red_valA) / steps) * -1;
grnA     = begin.charAt(2) + begin.charAt(3);
grn_valA = parseInt(grnA,'16');
grnB     = end.charAt(2) + end.charAt(3);
grn_valB = parseInt(grnB,'16');
grn_int  = ((grn_valB - grn_valA) / steps) * -1;
bluA     = begin.charAt(4) + begin.charAt(5);
blu_valA = parseInt(bluA,'16');
bluB     = end.charAt(4) + end.charAt(5);
blu_valB = parseInt(bluB,'16');
blu_int  = ((blu_valB - blu_valA) / steps) * -1;
step = 2;
red = red_valA;
grn = grn_valA;
blu = blu_valA;
document.bgColor = begin;
while ( steps >= step ) {
red -= red_int;
red_round = Math.round(red);
red_hex = Dec2Hex(red);
grn -= grn_int;
grn_round = Math.round(grn);
grn_hex = Dec2Hex(grn);
blu -= blu_int;
blu_round = Math.round(blu);
blu_hex = Dec2Hex(blu);
document.bgColor = red_hex + grn_hex + blu_hex;
step++;
}
document.bgColor = end;
}
bgChanger("FFFFFF","000000",35);
bgChanger("000000","FF0000",35);
bgChanger("FF0000","AA00EE",35);
bgChanger("AA00EE","0000ff",10);
bgChanger("0000ff","3CE100",25);
bgChanger("3CE100","FFFF00",5);
bgChanger("FFFF00","FFFFFF",35);