// JavaScript Document

//声明$1方法
function $1() 
{ 
  var elements = new Array(); 
  for (var i = 0; i < arguments.length; i++) 
  { 
    var element = arguments[i]; 
    if (typeof element == 'string') 
      element = document.getElementById(element); 
    if (arguments.length == 1) 
      return element; 
    elements.push(element); 
  } 
  return elements; 
}

//输入CHK

function hc_chk()
{
if ($1("ztchk").checked==true)
$1("ztchk").checked=false;
else
$1("ztchk").checked=true;	
}