.w  	{ background-color:#FFFFFF; }
.az_30	{ background-color:#B2E4F9; }
.az_60	{ background-color:#66CAF3; }
.cz_30	{ background-color:#DBDBDB; }
.cz_60	{ background-color:#B8B8B8; }

.learn_out_az_T { background-image: url(img/learn_out_az_02.gif); background-repeat:repeat-x; }
.learn_out_az_L { background-image: url(img/learn_out_az_04.gif); background-repeat:repeat-y; }
.learn_out_az_R { background-image: url(img/learn_out_az_06.gif); background-repeat:repeat-y; }
.learn_out_az_B { background-image: url(img/learn_out_az_08.gif); background-repeat:repeat-x; } 

.learn_out_cz_T { background-image: url(img/learn_out_cz_02.gif); background-repeat:repeat-x; }
.learn_out_cz_L { background-image: url(img/learn_out_cz_04.gif); background-repeat:repeat-y; }
.learn_out_cz_R { background-image: url(img/learn_out_cz_06.gif); background-repeat:repeat-y; }
.learn_out_cz_B { background-image: url(img/learn_out_cz_08.gif); background-repeat:repeat-x; } 

.learn_fill_az_T { background-image: url(img/learn_fill_az_02.gif); background-repeat:repeat-x; }
.learn_fill_az_L { background-image: url(img/learn_fill_az_04.gif); background-repeat:repeat-y; }
.learn_fill_az_R { background-image: url(img/learn_fill_az_06.gif); background-repeat:repeat-y; }
.learn_fill_az_B { background-image: url(img/learn_fill_az_08.gif); background-repeat:repeat-x; } 

.learn_fill_full_az_T { background-image: url(img/learn_fill_full_az_02.gif); background-repeat:repeat-x; }
.learn_fill_full_az_L { background-image: url(img/learn_fill_full_az_04.gif); background-repeat:repeat-y; }
.learn_fill_full_az_R { background-image: url(img/learn_fill_full_az_06.gif); background-repeat:repeat-y; }
.learn_fill_full_az_B { background-image: url(img/learn_fill_full_az_08.gif); background-repeat:repeat-x; } 

.learn_fill_cz_T { background-image: url(img/learn_fill_cz_02.gif); background-repeat:repeat-x; }
.learn_fill_cz_L { background-image: url(img/learn_fill_cz_04.gif); background-repeat:repeat-y; }
.learn_fill_cz_R { background-image: url(img/learn_fill_cz_06.gif); background-repeat:repeat-y; }
.learn_fill_cz_B { background-image: url(img/learn_fill_cz_08.gif); background-repeat:repeat-x; } 

.learn_fill_full_cz_T { background-image: url(img/learn_fill_full_cz_02.gif); background-repeat:repeat-x; }
.learn_fill_full_cz_L { background-image: url(img/learn_fill_full_cz_04.gif); background-repeat:repeat-y; }
.learn_fill_full_cz_R { background-image: url(img/learn_fill_full_cz_06.gif); background-repeat:repeat-y; }
.learn_fill_full_cz_B { background-image: url(img/learn_fill_full_cz_08.gif); background-repeat:repeat-x; }