var fading_step=32
var timer;
var last=""
var mouse_over=1

function init_col(id,startcol,endcol){
hex_start =startcol
hex_end = endcol
if(last!=""&&last!=id){document.getElementById(last).style.color=lastcol }
start_red =Hex2dec(hex_start.substring(1,3))
start_green =Hex2dec(hex_start.substring(3,5))
start_blue =Hex2dec(hex_start.substring(5,7))
end_red =Hex2dec(hex_end.substring(1,3))
end_green =Hex2dec(hex_end.substring(3,5))
end_blue =Hex2dec(hex_end.substring(5,7))
red_step=(start_red-end_red)/fading_step
if(red_step<0){red_step= -red_step}
green_step=(start_green-end_green)/fading_step
if(green_step<0){green_step= -green_step}
blue_step=(start_blue-end_blue)/fading_step
if(blue_step<0){blue_step= -blue_step}
last=id
lastcol=hex_start
change_col()
}

function change_col(){
if(mouse_over==1){
col_red=end_red
col_green=end_green
col_blue=end_blue
now_red=start_red
now_green=start_green
now_blue=start_blue
mouse_over=0
}
else{
col_red=start_red
col_green=start_green
col_blue=start_blue
now_red=end_red
now_green=end_green
now_blue=end_blue
mouse_over=1
}
fade_col()
}

function fade_col(){
clearTimeout(timer)
if(now_red>col_red){
now_red+= -red_step
red_dir=0
}
else{
now_red+= red_step
red_dir=1
}
if(now_green>col_green){
now_green+= -green_step
green_dir=0
}
else{
now_green+= green_step
green_dir=1
}
if(now_blue>col_blue){
now_blue+= - blue_step
blue_dir=0
}
else{
now_blue+= blue_step
blue_dir=1
}
if(red_dir==1&&now_red>col_red||red_dir==0&&now_red<col_red){now_red=col_red}
if(green_dir==1&&now_green>col_green||green_dir==0&&now_green<col_green){now_green=col_green}
if(blue_dir==1&&now_blue>col_blue||blue_dir==0&&now_blue<col_blue){now_blue=col_blue}
timer=setTimeout("fade_col()", 10); // speed
if(now_red==col_red&&now_green==col_green&&now_blue==col_blue){clearTimeout(timer)}
document.getElementById(last).style.color = "RGB("+parseInt(now_red)+","+parseInt(now_green)+","+parseInt(now_blue)+")"
}

var hexChars = "0123456789ABCDEF";
function Hex2dec(HexVal){
HexVal = HexVal.toUpperCase();
decVal = hexChars.indexOf(HexVal.substring(0,1)) * 16
decVal += hexChars.indexOf(HexVal.substring(1));
return decVal;
}