Teclado virtual javascript

#keyboardInputMaster { position:absolute; font:normal 11px Arial,sans-serif; border-top:1px solid #eeeeee; border-right:1px solid #888888; border-bottom:1px solid #444444; border-left:1px solid #cccccc; -webkit-border-radius:0.6em; -moz-border-radius:0.6em; border-radius:0.6em; -webkit-box-shadow:0px 2px 10px #444444; -moz-box-shadow:0px 2px 10px #444444; box-shadow:0px 2px 10px #444444; opacity:0.95; filter:alpha(opacity=95); background-color:#dddddd; text-align:left; z-index:1000000; width:auto; height:auto; min-width:0; min-height:0; margin:0px; padding:0px; line-height:normal; -moz-user-select:none; cursor:default;
}
#keyboardInputMaster * { position:static; color:#000000; background:transparent; font:normal 11px Arial,sans-serif; width:auto; height:auto; min-width:0; min-height:0; margin:0px; padding:0px; border:0px none; outline:0px; vertical-align:baseline; line-height:1.3em;
}
#keyboardInputMaster.keyboardInputSize1,
#keyboardInputMaster.keyboardInputSize1 * { font-size:9px;
}
#keyboardInputMaster.keyboardInputSize3,
#keyboardInputMaster.keyboardInputSize3 * { font-size:13px;
}
#keyboardInputMaster.keyboardInputSize4,
#keyboardInputMaster.keyboardInputSize4 * { font-size:16px;
}
#keyboardInputMaster.keyboardInputSize5,
#keyboardInputMaster.keyboardInputSize5 * { font-size:20px;
}

#keyboardInputMaster thead tr th { padding:0.3em 0.3em 0.1em 0.3em; background-color:#999999; white-space:nowrap; text-align:right; -webkit-border-radius:0.6em 0.6em 0px 0px; -moz-border-radius:0.6em 0.6em 0px 0px; border-radius:0.6em 0.6em 0px 0px;
}
#keyboardInputMaster thead tr th div { float:left; font-size:130% !important; height:1.3em; font-weight:bold; position:relative; z-index:1; margin-right:0.5em; cursor:pointer; background-color:transparent;
}
#keyboardInputMaster thead