$("#ax-terminal-zoomout").before("<span id='printScreen' " +
                                "title='ʈ(PrintScreen)' " + 
                                "class='ui-icon ui-icon-print ui-state-default ui-corner-all' " +
                                "style='float:right;margin-left:10px;margin-right:10px;' " +
                                "onMouseOver='this.classList.add(\"ui-state-hover\")' " +
                                "onMouseOut='this.classList.remove(\"ui-state-hover\")' " +
                                "onClick='USERENV.printScreen.run()'" +
                                "></span>");
