/**
	
 **
 
 document.onkeydown = function(e){
 
 	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
 
 	
 	switch(keycode){
 		case 38: ChangePic('next');break;
 		case 39: ChangePic('next');break;
 		case 37: ChangePic('prev');break;
 		case 40: ChangePic('prev');break;
 		default: return;
 	}
 	 
 }
 
 
 
 function ChangePic(direction){
 
 	document.getElementById(direction+'_btn').onClick(); 	
 }
 */