Quake3 volumn switch script

//===============
//volume switcher
//===============
seta vol1  "s_volume 0;  echo ^2VOLUME 0   ^7|^3---------;  set volume_up vstr vol2;  set volume_down vstr vol18"
seta vol2  "s_volume .05;echo ^2VOLUME .05 ^2|^3---------;  set volume_up vstr vol3;  set volume_down vstr vol1"
seta vol3  "s_volume .1; echo ^2VOLUME 1   ^2|^7|^3-------; set volume_up vstr vol4;  set volume_down vstr vol2"
seta vol4  "s_volume .2; echo ^2VOLUME 2   ^2||^3-------;   set volume_up vstr vol5;  set volume_down vstr vol3"
seta vol5  "s_volume .3; echo ^2VOLUME 3   ^2||^7|^3------; set volume_up vstr vol6;  set volume_down vstr vol4"
seta vol6  "s_volume .4; echo ^2VOLUME 4   ^2|||^3------;   set volume_up vstr vol7;  set volume_down vstr vol5"
seta vol7  "s_volume .45;echo ^2VOLUME 4.5 ^2|||^7|^3-----; set volume_up vstr vol8;  set volume_down vstr vol6"
seta vol8  "s_volume .5; echo ^2VOLUME 5   ^2||||^3-----;   set volume_up vstr vol9;  set volume_down vstr vol7"
seta vol9  "s_volume .55;echo ^2VOLUME 5.5 ^2||||^7|^3----; set volume_up vstr vol10; set volume_down vstr vol8"
seta vol10 "s_volume .6; echo ^2VOLUME 6   ^2|||||^3----;   set volume_up vstr vol11; set volume_down vstr vol9"
seta vol11 "s_volume .65;echo ^2VOLUME 6.5 ^2|||||^7|^3---; set volume_up vstr vol12; set volume_down vstr vol10"
seta vol12 "s_volume .7; echo ^2VOLUME 7   ^2||||||^3---;   set volume_up vstr vol13; set volume_down vstr vol11"
seta vol13 "s_volume .75;echo ^2VOLUME 7.5 ^2||||||^7|^3--; set volume_up vstr vol14; set volume_down vstr vol12"
seta vol14 "s_volume .8; echo ^2VOLUME 8   ^2|||||||^3--;   set volume_up vstr vol15; set volume_down vstr vol13"
seta vol15 "s_volume .85;echo ^2VOLUME 8.5 ^2|||||||^1|^3-; set volume_up vstr vol16; set volume_down vstr vol14"
seta vol16 "s_volume .9; echo ^2VOLUME 9   ^2||||||||^3-;   set volume_up vstr vol17; set volume_down vstr vol15"
seta vol17 "s_volume .95;echo ^2VOLUME 9.5 ^2|||||||^1|^3;  set volume_up vstr vol18; set volume_down vstr vol16"
seta vol18 "s_volume 1;  echo ^2VOLUME 10  ^2|||||||^1||^3; set volume_up vstr vol1;  set volume_down vstr vol17"
set volume_up vstr vol1

//=============== 
// Bind them!
//===============
bind = "vstr volume_up"
bind - "vstr volume_down"