var passwordField = null;
var CapsLockValue=0;
//显示密码键盘
function showSoftKeyboard(element)
{
	passwordField = element;

	showkeyboard();
}
//显示密码键盘
function showSoftKeyboard2(element)
{
	passwordField = element;
	if(window.addEventListener){
		document.getElementById(passwordField.id).addEventListener('keydown',function(){if (event.keyCode == 8){event.keyCode = 0;event.returnValue = false;}},false);
	}else{
		document.getElementById(passwordField.id).attachEvent('onkeydown',function(){if (event.keyCode == 8){event.keyCode = 0;event.returnValue = false;}});
	}
	showkeyboard2();
}
function showSoftKeyboard_reg(element)
{
	passwordField = element;
	if(window.addEventListener){
		document.getElementById(passwordField.id).addEventListener('keydown',function(){if (event.keyCode == 8){event.keyCode = 0;event.returnValue = false;}},false);
	}else{
		document.getElementById(passwordField.id).attachEvent('onkeydown',function(){if (event.keyCode == 8){event.keyCode = 0;event.returnValue = false;}});
	}
	showkeyboard_reg();
}

//显示密码键盘
function showSoftKeyboard3(element)
{
	passwordField = element;

	showkeyboard3();
}

//用户按下键，添加到输入域中
function addChar(newValue)
{
	if (passwordField.value.length < passwordField.maxLength)
	{
		passwordField.value = passwordField.value + newValue;
	}
}

//用户按下backspace键，往回删一个字符
function backspace()
{
	var len = passwordField.value.length;

	if (len > 0)
	{
		passwordField.value = passwordField.value.substr(0, len - 1);
	}
}

function onBackSpace()
{
	var keynum;
	if(window.event) // IE
	{
	keynum = event.keyCode;
	}
	else if(event.which) // Netscape/Firefox/Opera
	{
	keynum = event.which;
	}
	if( keynum == 8 )
	{
		backspace();
		return false;
	}
	else
	{
		return keynum;
	}
}

//关闭软件盘
function closekeyboard()
{
	softkeyboard.style.display = "none";
}

//打开软件盘
function showkeyboard()
{
	var eP= passwordField
	var eL=0;
	var eT=0;
    for(var p=eP; p&&p.tagName!='BODY'; p=p.offsetParent){
      eL+=p.offsetLeft;
      eT+=p.offsetTop;
    }
	var eH=eP.offsetHeight;
    var dH=softkeyboard.style.pixelHeight;
    var sT=document.body.scrollTop;
	
	softkeyboard.style.left = eL + 150;
	
	if(eT-dH >= sT && eT+eH+dH > document.body.clientHeight+sT)
	  softkeyboard.style.top=eT-dH+5;
    else
	    softkeyboard.style.top=eT+eH-dH/2+5;
		//softkeyboard.style.top=eT+eH; 
	
	softkeyboard.style.display = "block";
	passwordField.readOnly = 1;
	//passwordField.blur();
}

//打开软件盘
function showkeyboard2()
{
	var eP= passwordField
	var eL=0;
	var eT=0;
    for(var p=eP; p&&p.tagName!='BODY'; p=p.offsetParent){
      eL+=p.offsetLeft;
      eT+=p.offsetTop;
    }
	var eH=eP.offsetHeight;
    var dH=softkeyboard.style.pixelHeight;
    var sT=document.body.scrollTop;
	
	softkeyboard.style.left = eL-20;
	
	if(eT-dH >= sT && eT+eH+dH > document.body.clientHeight+sT)
	  softkeyboard.style.top=eT-dH+15;
    else
	    softkeyboard.style.top=eT+eH-dH/2+15;
		//softkeyboard.style.top=eT+eH; 
	
	softkeyboard.style.display = "block";
	passwordField.readOnly = 1;
	//passwordField.blur();
}
function showkeyboard_reg()
{
	var eP= passwordField
	var eL=0;
	var eT=0;
    for(var p=eP; p&&p.tagName!='BODY'; p=p.offsetParent){
      eL+=p.offsetLeft;
      eT+=p.offsetTop;
    }
	var eH=eP.offsetHeight;
    var dH=softkeyboard.style.pixelHeight;
    var sT=document.body.scrollTop;
	
	softkeyboard.style.left = eL+100;
	
	if(eT-dH >= sT && eT+eH+dH > document.body.clientHeight+sT)
	  softkeyboard.style.top=eT-dH+5;
    else
	    softkeyboard.style.top=eT+eH-dH/2+5;
		//softkeyboard.style.top=eT+eH; 
	
	softkeyboard.style.display = "block";
	passwordField.readOnly = 1;
	//passwordField.blur();
}
//打开软件盘
function showkeyboard3()
{
	var eP= passwordField
	var eL=0;
	var eT=0;
    for(var p=eP; p&&p.tagName!='BODY'; p=p.offsetParent){
      eL+=p.offsetLeft;
      eT+=p.offsetTop;
    }
	var eH=eP.offsetHeight;
    var dH=softkeyboard.style.pixelHeight;
    var sT=document.body.scrollTop;
	
	softkeyboard.style.left = eL+100;
	
	if(eT-dH >= sT && eT+eH+dH > document.body.clientHeight+sT)
	  softkeyboard.style.top=eT-dH+5;
    else
	    softkeyboard.style.top=eT+eH-dH/2+5;
		//softkeyboard.style.top=eT+eH; 
	
	softkeyboard.style.display = "block";
	passwordField.readOnly = 1;
	//passwordField.blur();
}
//改变数字键的背景
function changeBg(element, flag)
{
	if (flag == 1)
		element.background ="images/softKey/pinpadBg-b.jpg";
	else
		element.background =  "images/softKey/pinpadBg.jpg";
}

//改变确认键的背景
function changeQueren(element, flag)
{
	if (flag == 1)
		element.src = "images/softKey/queren-b.jpg";
	else
		element.src = "images/softKey/queren.jpg";
}

//改变删除键的背景
function changeShanchu(element, flag)
{
	if (flag == 1)
		element.src = "images/softKey/shanchu-b.jpg";
	else
		element.src =  "images/softKey/shanchu.jpg";
}

//改变数字键的背景
function changeBg2(element, flag)
{
	if (flag == 1)
		element.background ="images/softKey/pinpadBg-b.jpg";
	else
		element.background =  "images/softKey/pinpadBg2.jpg";
}

//改变数字键的背景
function changeBg3(element, flag)
{
	if (flag == 1)
		element.background ="images/softKey/pinpadBg-b.jpg";
	else
		element.background =  "images/softKey/pinpadBg3.jpg";
}
function resize(){
	if (document.getElementById('softkeyboard')) {
		if ("none" != document.getElementById('softkeyboard').style.display) 
			showkeyboard();
	}
}
var check;
currentX = currentY = 0; 
whichIt = null; 
lastScrollX = 0; 
lastScrollY = 0;

// 鼠标按下,获取当前密码键盘的位置
function grabIt(e) {
	check = false;
	whichIt = event.srcElement;
	while (whichIt.id.indexOf("softkeyboard") == -1) {
		whichIt = whichIt.parentElement;
		if (whichIt == null) { 
			return true; 
		} 
	}	
	whichIt.style.pixelLeft = whichIt.offsetLeft;
	whichIt.style.pixelTop = whichIt.offsetTop;
	currentX = (event.clientX + document.body.scrollLeft);
	currentY = (event.clientY + document.body.scrollTop); 
}

// 鼠标拖动,将密码键盘移动到指定位置
function moveIt(e) {

	if (whichIt == null) { return false; }

	newX = (event.clientX + document.body.scrollLeft);
	newY = (event.clientY + document.body.scrollTop);
	distanceX = (newX - currentX); 
	distanceY = (newY - currentY);
	currentX = newX; 
	currentY = newY;
	whichIt.style.pixelLeft += distanceX;
	whichIt.style.pixelTop += distanceY;
	
	if(whichIt.style.pixelTop < document.body.scrollTop){ 
		whichIt.style.pixelTop = document.body.scrollTop;
	}
	
	if(whichIt.style.pixelLeft < document.body.scrollLeft){
		whichIt.style.pixelLeft = document.body.scrollLeft;
	}
	
	if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20){
		whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
	}
	
	if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5){
		whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
	}
	event.returnValue = false;
}

var capsLockFlag;
capsLockFlag=true;
function capsLockText()
{
	if(capsLockFlag)
	{
	document.getElementById("little").style.display="none";
	document.getElementById("little1").style.display="none";
	document.getElementById("little2").style.display="none";
	document.getElementById("big").style.display="";
	document.getElementById("big1").style.display="";
	document.getElementById("big2").style.display="";
	}
	else 
	{
	document.getElementById("little").style.display="";
	document.getElementById("little1").style.display="";
	document.getElementById("little2").style.display="";
	document.getElementById("big").style.display="none";
	document.getElementById("big1").style.display="none";
	document.getElementById("big2").style.display="none";
	}
	capsLockFlag=!capsLockFlag;	
}

function setCapsLock()
{
	if(CapsLockValue==0)
	{
		CapsLockValue=1
	}
	else 
	{
		CapsLockValue=0
	}
}


// 鼠标弹起,初始化
function dropIt() {
	whichIt = null;
	return true; 
}