基于Jquery的回车成tab焦点切换效果代码(Enter To Tab )

$(document).ready(function () {
$(:input:text:first).focus();
$(:input:enabled).addClass(enterIndex);
// get only input tags with class data-entry
textboxes = $(.enterIndex);
// now we check to see which browser is being used
if ($.browser.mozilla) {
$(textboxes).bind(keypress, CheckForEnter);
} else {
$(textboxes).bind(keydown, CheckForEnter);
}
});
function CheckForEnter(event) {
if (event.keyCode == 13 && $(this).attr(type) != button && $(this).attr(type) != submit && $(this).attr(type) != textarea && $(this).attr(type) != reset) {
var i = $(.enterIndex).index($(this));
var n = $(.enterIndex).length;
if (i < n - 1) {
if ($(this).attr(type) != radio)
{
NextDOM($(.enterIndex),i);
}
else {
var last_radio = $(.enterIndex).index($(.enterIndex[type=radio][name= + $(this).attr(name) + ]:last));
NextDOM($(.enterIndex),last_radio);
}
}
return false;
}
}
function NextDOM(myjQueryObjects,counter) {
if (myjQueryObjects.eq(counter+1)[0].disabled) {
NextDOM(myjQueryObjects, counter + 1);
}
else {
myjQueryObjects.eq(counter + 1).trigger(focus);
}
}

document.onkeydown = function(evt) {
var isie = (document.all) ? true : false;
var key;
var srcobj;
alert(isie);
if (isie) {
key = event.keyCode;
srcobj = event.srcElement;
}
else {
alert(evt);
key = evt.which;
srcobj = evt.target;
}
if (key == 13 && srcobj.type != button && srcobj.type != submit && srcobj.type != reset && srcobj.type != textarea && srcobj.type != ) {
if (isie) {
event.keyCode = 9;
}
else {
var el = getNextElement(evt.target);
if (el.type != hidden)
el.focus();
else
while (el.type == hidden)
el = getNextElement(el);
el.focus();
return false;
}
}
}
document.onkeyup = function(evt) {
var isie = (document.all) ? true : false;
var key;
var srcobj;
alert(isie);
if (isie) {
key = event.keyCode;
srcobj = event.srcElement;
}
else {
alert(evt);
key = evt.which;
srcobj = evt.target;
}
if (key == 13 && srcobj.type != button && srcobj.type != submit && srcobj.type != reset && srcobj.type != textarea && srcobj.type != ) {
if (isie) {
event.keyCode = 9;
}
else {
var el = getNextElement(evt.target);
if (el.type != hidden)
el.focus();
else
while (el.type == hidden)
el = getNextElement(el);
el.focus();
return false;
}
}
}
function getNextElement(field) {
var form = field.form;
for (var e = 0; e < form.elements.length; e++) {
if (field == form.elements[e])
break;
}
return form.elements[++e % form.elements.length];
}

function document.onkeydown() {
var e = event.srcElement;
if (event.keyCode == 13 && e.tagName == "INPUT" && e.type == "text")
event.keyCode = 9;
}