(function($){
	/**
	* enter to submit
	* return :[function(reval){}] ?(?)
	* example:$.enter(function(reval){});
	*/
	$.fn.enter=function(){
		var callback=arguments[0] || function(){};
		//this.unbind('keydown');
		this.each(function(){
			var iObj=$(this);		   
			iObj.keydown(function(e){
				e = e || window.event;
				if(e.keyCode == 13){
					//che2('ss')
					callback(iObj.val());
				}
				//che2('ffffff')
			});
		});
	};
	
	//keyCode
	$.fn.keyCode=function(){
		this.keydown(function(e){
			e = e || window.event;
			//showInDiv(e.keyCode);
			if(e.ctrlKey && e.keyCode == 67){
				showInDiv('aa');
			}
			if(e.ctrlKey && e.keyCode == 86){
				showInDiv('bb');
			}
			
		});
	};
	
	$.fn.ctrl_c=function(){
		var callback=arguments[0] || function(){};
		var self=this;
		//this.unbind('keydown');
		this.keydown(function(e){
			e = e || window.event;
			if(e.ctrlKey && e.keyCode == 67){
				callback(self.val());
			}
		});
	};
	
	$.fn.ctrl_v=function(){
		var callback=arguments[0] || function(){};
		var self=this;
		//this.unbind('keydown');
		this.keydown(function(e){
			e = e || window.event;
			if(e.ctrlKey && e.keyCode == 86){
				callback(self.val());
			}
		});
	};

})(jQuery);