.icon-blank {
    background: url('icons/blank.gif') no-repeat center center;
}

.icon-add {
    background: url('icons/add.gif') no-repeat center center;
}

.icon-default {
    background: url('icons/default.gif') no-repeat center center;
}

.icon-db_update {
    background: url('icons/db_update.gif') no-repeat center center;
}

.icon-subject {
    background: url('icons/subject.png') no-repeat center center;
}

.icon-class {
    background: url('icons/class.gif') no-repeat center center;
}

.icon-teacher {
    background: url('icons/teach.gif') no-repeat center center;
}

.icon-edit {
    background: url('icons/edit.gif') no-repeat center center;
}

.icon-clear {
    background: url('icons/clear.gif') no-repeat center center;
}

.icon-remove {
    background: url('icons/delete.gif') no-repeat center center;
}

.icon-save {
    background: url('icons/save.gif') no-repeat center center;
}

.icon-cut {
    background: url('icons/cut.png') no-repeat center center;
}

.icon-ok {
    background: url('icons/ok.gif') no-repeat center center;
}

.icon-login {
    background: url('icons/login.gif') no-repeat center center;
}

.icon-exa {
    background: url('icons/exa.gif') no-repeat center center;
}

.icon-no {
    background: url('icons/no.png') no-repeat center center;
}

.icon-cancel {
    background: url('icons/cancel.gif') no-repeat center center;
}

.icon-reload {
    background: url('icons/reload.gif') no-repeat center center;
}

.icon-search {
    background: url('icons/lookup.gif') no-repeat center center;
}

.icon-print {
    background: url('icons/print.png') no-repeat center center;
}

.icon-help {
    background: url('icons/help.png') no-repeat center center;
}

.icon-undo {
    background: url('icons/undo.png') no-repeat center center;
}

.icon-redo {
    background: url('icons/redo.gif') no-repeat center center;
}

.icon-back {
    background: url('icons/back.png') no-repeat center center;
}

.icon-sum {
    background: url('icons/sum.png') no-repeat center center;
}

.icon-tip {
    background: url('icons/tip.gif') no-repeat center center;
}

.icon-filter {
    background: url('icons/filter.gif') no-repeat center center;
}

.icon-man {
    background: url('icons/man.png') no-repeat center center;
}

.icon-lock {
    background: url('icons/lock.gif') no-repeat center center;
}


.icon-mini-add {
    background: url('icons/mini_add.png') no-repeat center center;
}

.icon-mini-edit {
    background: url('icons/mini_edit.png') no-repeat center center;
}

.icon-mini-refresh {
    background: url('icons/mini_refresh.png') no-repeat center center;
}

.icon-large-picture {
    background: url('icons/large_picture.png') no-repeat center center;
}

.icon-large-clipart {
    background: url('icons/large_clipart.png') no-repeat center center;
}

.icon-large-shapes {
    background: url('icons/large_shapes.png') no-repeat center center;
}

.icon-large-smartart {
    background: url('icons/large_smartart.png') no-repeat center center;
}

.icon-large-chart {
    background: url('icons/large_chart.gif') no-repeat center center;
}

.icon-sys {
    background: url('icons/sys.png') no-repeat center center;
}

.icon-question {
    background: url('icons/question.gif') no-repeat center center;
}

.icon-reset { 
    background: url('icons/reset.gif') no-repeat center center;
}

.icon-import {
    background: url('icons/import.gif') no-repeat center center;
}

.icon-arrow_left {
    background: url('icons/left.gif') no-repeat center center;
}

.icon-arrow_right {
    background: url('icons/right.gif') no-repeat center center;
}

.icon-arrow_up { 
    background: url('icons/arrow_up.gif') no-repeat center center;
}

.icon-arrow_down { 
    background: url('icons/arrow_down.gif') no-repeat center center;
}


.icon-arrow_in { 
    background: url('icons/arrow_in.png') no-repeat center center;
}

.icon-arrow_out { 
    background: url('icons/arrow_out.png') no-repeat center center;
}

.icon-chart { 
    background: url('icons/chart.gif') no-repeat center center;
}




.icon-export { 
    background: url('icons/export.gif') no-repeat center center;
}



.icon-report { 
    background: url('icons/report.png') no-repeat center center;
}

.icon-disk_upload { 
    background: url('icons/disk_upload.gif') no-repeat center center;
}

.icon-lock_2 { 
    background: url('icons/lock_2.png') no-repeat center center;
}



.icon-answer { 
    background: url('icons/answer.png') no-repeat center center;
}


.icon-start { 
    background: url('icons/start.gif') no-repeat center center;
}

.icon-suspended { 
    background: url('icons/suspended.png') no-repeat center center;
}

.icon-stop {
    background: url('icons/stop.gif') no-repeat center center;
}

.icon-folder { 
    background: url('icons/folder.gif') no-repeat center center;
}

.icon-db_init { 
    background: url('icons/db_init.gif') no-repeat center center;
}



.icon-disk_upload { 
    background: url('icons/disk_upload.gif') no-repeat center center;
}

.icon-templet {
    background: url('icons/templet.gif') no-repeat center center;
}



.icon-score {  
    background: url('icons/score.gif') no-repeat center center;
}

.icon-stat {
    background: url('icons/stat.gif') no-repeat center center;
}


.icon-knowlege {
    background: url('icons/knowlege.gif') no-repeat center center;
}

.icon-group { 
    background: url('icons/model.gif') no-repeat center center;
}

.icon-user_add {
    background: url('icons/user_add.gif') no-repeat center center;
}

.icon-user_edit {
    background: url('icons/user_edit.gif') no-repeat center center;
}

.icon-user_delete {
    background: url('icons/user_delete.gif') no-repeat center center;
}

.icon-paper {
    background: url('icons/paper.gif') no-repeat center center;
}

.icon-permit {
    background: url('icons/permit.gif') no-repeat center center;
}

.icon-text_list_numbers {
    background: url('icons/edit.gif') no-repeat center center;
}
.icon-zip {
    background: url('icons/arrow_down.gif') no-repeat center center;
}

.icon-archive {
    background: url('icons/archive.gif') no-repeat center center;
}
.icon-database_refresh {
    background: url('icons/database_refresh.gif') no-repeat center center;
}
.lightbulb {
    background: url('icons/lightbulb.png') no-repeat center center;
}
.lightbulb_add {
    background: url('icons/lightbulb_add.png') no-repeat center center;
}
.lightbulb_delete {
    background: url('icons/lightbulb_delete.png') no-repeat center center;
}
.lightbulb_off {
    background: url('icons/lightbulb_off.png') no-repeat center center;
}
.folder_star {
    background: url('icons/folder_star.png') no-repeat center center;
}
.basket {
    background: url('icons/basket.png') no-repeat center center;
}
.basket_add {
    background: url('icons/basket_add.png') no-repeat center center;
}
.basket_delete {
    background: url('icons/basket_delete.png') no-repeat center center;
}

.icon-connect {
    background: url('icons/connect.png') no-repeat center center;
}

.table_relationship {
    background: url('icons/table_relationship.gif') no-repeat center center;
}

.link_go {
    background: url('icons/link_go.png') no-repeat center center;
}


.status_offline {
    background: url('icons/status_offline.gif') no-repeat center center;
}
.status_online {
    background: url('icons/status_online.png') no-repeat center center;
}
.status_busy {
    background: url('icons/status_busy.png') no-repeat center center;
}

.icon-text_signature {
    background: url('icons/text_signature.gif') no-repeat center center;
}

.icon-page_excel {
    background: url('icons/page_excel.gif') no-repeat center center;
}
.icon-page_white_excel {
    background: url('icons/page_white_excel.gif') no-repeat center center;
}
.icon-table_edit {
    background: url('icons/table_edit.png') no-repeat center center;
}

.icon-folder_database {
    background: url('icons/folder_database.png') no-repeat center center;
}
.icon-database_table {
    background: url('icons/database_table.png') no-repeat center center;
}

.icon-picture_edit {
    background: url('icons/picture_edit.png') no-repeat center center;
}
.icon-group_edit {
    background: url('icons/group_edit.png') no-repeat center center;
}
.icon-email_edit {
    background: url('icons/email_edit.png') no-repeat center center;
}
.icon-image_edit {
    background: url('icons/image_edit.gif') no-repeat center center;
}
.icon-monitor_edit {
    background: url('icons/monitor_edit.png') no-repeat center center;
}
.icon-brick_edit {
    background: url('icons/brick_edit.gif') no-repeat center center;
}
.icon-magnifier_zoom_in {
    background: url('icons/magnifier_zoom_in.gif') no-repeat center center;
}
.icon-magnifier {
    background: url('icons/magnifier.gif') no-repeat center center;
}
.icon-magifier_zoom_out {
    background: url('icons/magifier_zoom_out.gif') no-repeat center center;
}
.icon-set {
    background: url('icons/set.gif') no-repeat center center;
}
.icon-recall {
    background: url('icons/recall.gif') no-repeat center center;
}