Взгляните на плагин Hotkeys для jQuery !
РЕДАКТИРОВАТЬ: Это рабочая версия подключаемого модуля для горячих клавиш (довольно короткая):
(function(jQuery){jQuery.hotkeys={version:"0.8",specialKeys:{8:"backspace",9:"tab",13:"return",16:"shift",17:"ctrl",18:"alt",19:"pause",20:"capslock",27:"esc",32:"space",33:"pageup",34:"pagedown",35:"end",36:"home",37:"left",38:"up",39:"right",40:"down",45:"insert",46:"del",96:"0",97:"1",98:"2",99:"3",100:"4",101:"5",102:"6",103:"7",104:"8",105:"9",106:"*",107:"+",109:"-",110:".",111:"/",112:"f1",113:"f2",114:"f3",115:"f4",116:"f5",117:"f6",118:"f7",119:"f8",120:"f9",121:"f10",122:"f11",123:"f12",144:"numlock",145:"scroll",191:"/",224:"meta"},shiftNums:{"`":"~","1":"!","2":"@","3":"#","4":"$","5":"%","6":"^","7":"&","8":"*","9":"(","0":")","-":"_","=":"+",";":": ","'":"\"",",":"<",".":">","/":"?","\\":"|"}};function keyHandler(handleObj){if(typeof handleObj.data!=="string"){return}var origHandler=handleObj.handler,keys=handleObj.data.toLowerCase().split(" ");handleObj.handler=function(event){if(this!==event.target&&(/textarea|select/i.test(event.target.nodeName)||event.target.type==="text")){return}var special=event.type!=="keypress"&&jQuery.hotkeys.specialKeys[event.which],character=String.fromCharCode(event.which).toLowerCase(),key,modif="",possible={};if(event.altKey&&special!=="alt"){modif+="alt+"}if(event.ctrlKey&&special!=="ctrl"){modif+="ctrl+"}if(event.metaKey&&!event.ctrlKey&&special!=="meta"){modif+="meta+"}if(event.shiftKey&&special!=="shift"){modif+="shift+"}if(special){possible[modif+special]=true}else{possible[modif+character]=true;possible[modif+jQuery.hotkeys.shiftNums[character]]=true;if(modif==="shift+"){possible[jQuery.hotkeys.shiftNums[character]]=true}}for(var i=0,l=keys.length;i<l;i++){if(possible[keys[i]]){return origHandler.apply(this,arguments)}}}}jQuery.each(["keydown","keyup","keypress"],function(){jQuery.event.special[this]={add:keyHandler}})})(jQuery);