JS实现Enter键跳转及控件获得焦点

//回车跳转
jQuery(document).ready(function () {
//$(:input:text:first).focus();
jQuery(:input:enabled).addClass(enterIndex);
// get only input tags with class data-entry
textboxes = jQuery(.enterIndex);
// now we check to see which browser is being used
if (jQuery.browser.mozilla) {
jQuery(textboxes).bind(keypress, CheckForEnter);
} else {
jQuery(textboxes).bind(keydown, CheckForEnter);
}
});

function SetControlEnterEvent() {
//$(: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);
}
}