var pwdobj ;
var state="close";
function switchkeyboard(obj)
{
if(state=="close"){
showkeyboard(obj);
}
else{
closekeyboard();
}
}
function showkeyboard(obj)
{
pwdobj=obj;
pwdobj.readOnly=true;
var evt = getEvent();
if (!document.all)
{
x = evt.pageX;
y = evt.pageY-172;
}
else
{
x = document.body.scrollLeft + evt.clientX;
y = document.body.scrollTop + evt.clientY-155;
}
skb.style.left = x;
skb.style.top = y;
skb.style.display = "block";
skb.focus();
state="open";
}
//关闭软键盘
function closekeyboard ()
{
if(state=="open"){
skb.style.display = "none";
pwdobj.readOnly = false;
pwdobj.focus();
state="close";
}
}
function addValue (newValue)
{
var pwdField = pwdobj;
pwdField.value += newValue;
if(pwdField.value.length > 10)
{
setpassvalue ();
}
}
//实现BackSpace键的功能
function setpassvalue ()
{
var pwdField = document.getElementById("password");
var longnum = pwdField.value.length;
var num;
num = pwdField.value.substr (0, longnum - 1);
pwdField.value = num;
}
//实现清空键的功能
function clearInput ()
{
var pwdField = pwdobj;
pwdField.value = "";
}
// 活动事件对象
function getEvent()
{
if(document.all) return window.event;//如果是ie
func=getEvent.caller;
while(func!=null){
var arg0=func.arguments[0];
if(arg0){if((arg0.constructor==Event || arg0.constructor ==MouseEvent) || (typeof(arg0)=="object" && arg0.preventDefault && arg0.stopPropagation)){return arg0;} }
func=func.caller;
}
return null;
}
//切换键盘输入
function switchInput()
{
closekeyboard();
}
function randomNumberButton()
{
var a = new Array(10);
a[0]=0;a[1]=1;a[2]=2;a[3]=3;a[4]=4;a[5]=5;a[6]=6;a[7]=7;a[8]=8;a[9]=9;
var randomNum;
var times=10;
for(var i=0;i<10;i++){
randomNum = parseInt(Math.random()*10);
var tmp=a[0];
a[0]=a[randomNum];
a[randomNum]=tmp;
}
var btn_str="";
return btn_str;
}
document.write(""+randomNumberButton()+"
" );