var h2= document.getElementById('con');
var div = document.getElementById('txt');
function color(){
h2.style.color='red';
h2.style.backgroundColor='#CCC';
}
function width(){
div.style.width='288px';
div.style.height='288px';
}
//定義"取消設置"的函數
function firm(){
var firm_a=confirm("是否取消設置")
if(firm_a==true){
var firm_b=document.getElementById("txt")
firm_b.removeAttribute('style');
firm_b.removeAttribute('style');
}
}
function add(){
var p1 = document.getElementById("p1");
p1.className = 'one';
}
function modify(){
var p2 = document.getElementById("p2");
p2.className = 'two';
}
function hidetext(){
var mychar = document.getElementById("con");
mychar.style.display = 'none';
}
function showtext(){
var mychar = document.getElementById("con");
mychar.style.display = 'block';
}
