function lo(){
var qq=window.parent.document.getElementById("num").value;
var m1=document.getElementById("n1");
var m2=document.getElementById("n2");
var m3=document.getElementById("n3");
var m4=document.getElementById("n4");
var m5=document.getElementById("n5");
var m6=document.getElementById("n6");
var m7=document.getElementById("n7");
var m8=document.getElementById("n8");
var m9=document.getElementById("n9");

switch (qq){
		case "1":m1.className="kao";break;
		case "2":m2.className="kao";break;
		case "3":m3.className="kao";break;
		case "4":m4.className="kao";break;
		case "5":m5.className="kao";break;
		case "6":m6.className="kao";break;
		case "7":m7.className="kao";break;
		case "8":m8.className="kao";break;
		case "9":m9.className="kao";break;
}
}