if (isFF2) {
var attr = $.attr,
removeAttr = $.fn.removeAttr,
ariaNS = “http://www.w3.org/2005/07/aaa”,
ariaState = /^aria-/,
ariaRole = /^wairole:/;
$.attr = function(elem, name, value) {
var set = value !== undefined;
return (name == ‘role’
? (set
? attr.call(this, elem, name, “wairole:” + value)
: (attr.apply(this, arguments) || “”).replace(ariaRole, “”))
: (ariaState.test(name)
? (set
? elem.setAttributeNS(ariaNS,
name.replace(ariaState, “aaa:”), value)
: attr.call(this, elem, name.replace(ariaState, “aaa:”)))
: attr.apply(this, arguments)));
};
$.fn.removeAttr = function(name) {
return (ariaState.test(name)
? this.each(function() {
this.removeAttributeNS(ariaNS, name.replace(ariaState, “”));
}) : removeAttr.call(this, name));
};
}
//jQuery plugins
$.fn.extend({
remove: function() {
// Safari has a native remove event which actually removes DOM elements,
// so we have to use triggerHandler instead of trigger (#3037).
$(“*”, this).add(this).each(function() {
$(this).triggerHandler(“remove”);
});
return _remove.apply(this, arguments );
},
enableSelection: function() {
return this
.attr(‘unselectable’, ‘off’)
.css(‘MozUserSelect’, ”)
.unbind(‘selectstart.ui’);
},
disableSelection: function() {
return this
.attr(‘unselectable’, ‘on’)
.css(‘MozUserSelect’, ‘none’)
.bind(‘selectstart.ui’, function() { return false; });
},
scrollParent: function() {
var scrollParent;
if(($.browser.msie && (/(static|relative)/).test(this.css(‘position’))) || (/absolute/).test(this.css(‘position’))) {
scrollParent = this.parents().filter(function() {
return (/(relative|absolute|fixed)/).test($.curCSS(this,’position’,1)) && (/(auto|scroll)/).test($.curCSS(this,’overflow’,1)+$.curCSS(this,’overflow-y’,1)+$.curCSS(this,’overflow-x’,1));
}).eq(0);
} else {
scrollParent = this.parents().filter(function() {
return (/(auto|scroll)/).test($.curCSS(this,’overflow’,1)+$.curCSS(this,’overflow-y’,1)+$.curCSS(this,’overflow-x’,1));
}).eq(0);
}
return (/fixed/).test(this.css(‘position’)) || !scrollParent.length ? $(document) : scrollParent;
}
});
//Additional selectors
$.extend($.expr[‘:’], {
data: function(elem, i, match) {
return !!$.data(elem, match[3]);
},
focusable: function(element) {
var nodeName = element.nodeName.toLowerCase(),
tabIndex = $.attr(element, ‘tabindex’);
return (/input|select|textarea|button|object/.test(nodeName)
? !element.disabled
: ‘a’ == nodeName || ‘area’ == nodeName
