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/*
Copyright 2008-2013 Clipperz Srl
This file is part of Clipperz, the online password manager.
For further information about its features and functionalities please
refer to http://www.clipperz.com.
* Clipperz is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
* Clipperz is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public
License along with Clipperz. If not, see http://www.gnu.org/licenses/.
*/
if (typeof YAHOO == 'undefined') { YAHOO = {}; };
if (typeof YAHOO.util == 'undefined') { YAHOO.util = {}; };
if (typeof YAHOO.util.Dom == 'undefined') { YAHOO.util.Dom = {}; };
YAHOO.extend = function(subc, superc, overrides) {
var F = function() {};
F.prototype=superc.prototype;
subc.prototype=new F();
subc.prototype.constructor=subc;
subc.superclass=superc.prototype;
if (superc.prototype.constructor == Object.prototype.constructor) {
superc.prototype.constructor=superc;
}
if (overrides) {
for (var i in overrides) {
subc.prototype[i]=overrides[i];
}
}
};
YAHOO.override = function(origclass, overrides){
if(overrides){
var p = origclass.prototype;
for(var method in overrides){
p[method] = overrides[method];
}
}
};
YAHOO.extendX = function(subclass, superclass, overrides){
YAHOO.extend(subclass, superclass);
subclass.override = function(o){
YAHOO.override(subclass, o);
};
if(!subclass.prototype.override){
subclass.prototype.override = function(o){
for(var method in o){
this[method] = o[method];
}
};
}
if(overrides){
subclass.override(overrides);
};
};
YAHOO.util.Dom.get = function(el) {
if (!el) { return null; } // nothing to work with
if (typeof el != 'string' && !(el instanceof Array) ) { // assuming HTMLElement or HTMLCollection, so pass back as is
return el;
}
if (typeof el == 'string') { // ID
return document.getElementById(el);
}
else { // array of ID's and/or elements
var collection = [];
for (var i = 0, len = el.length; i < len; ++i) {
collection[collection.length] = YAHOO.util.Dom.get(el[i]);
}
return collection;
}
return null; // safety, should never happen
};
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