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(function($){
$.fn.addAnchor = function(title) {
title = title || "Link here";
return this.filter("*[id]").each(function() {
$("<a class='anchor'> \u00B6</a>").attr("href", "#" + this.id)
.attr("title", title).appendTo(this);
});
}
$.fn.checked = function(checked) {
if (checked == undefined) { // getter
if (!this.length) return false;
return this.get(0).checked;
} else { // setter
return this.each(function() {
this.checked = checked;
});
}
}
$.fn.enable = function(enabled) {
if (enabled == undefined) enabled = true;
return this.each(function() {
this.disabled = !enabled;
var label = $(this).parents("label");
if (!label.length && this.id) {
label = $("label[for='" + this.id + "']");
}
if (!enabled) {
label.addClass("disabled");
} else {
label.removeClass("disabled");
}
});
}
$.loadStyleSheet = function(href, type) {
type = type || "text/css";
$(document).ready(function() {
if (document.createStyleSheet) { // MSIE
document.createStyleSheet(href);
} else {
$("<link rel='stylesheet' type='" + type + "' href='" + href + "' />")
.appendTo("head");
}
});
}
// Used for dynamically updating the height of a textarea
window.resizeTextArea = function (id, rows) {
var textarea = $("#" + id).get(0);
if (!textarea || textarea.rows == undefined) return;
textarea.rows = rows;
}
// The following are defined for backwards compatibility with releases prior
// to Trac 0.11
window.addEvent = function(elem, type, func) {
$(elem).bind(type, func);
}
window.addHeadingLinks = function(container, title) {
$.each(["h1", "h2", "h3", "h4", "h5", "h6"], function() {
$(this, container).addAnchor(title);
});
}
window.enableControl = function(id, enabled) {
$("#" + id).enable(enabled);
}
window.getAncestorByTagName = function(elem, tagName) {
return $(elem).parents(tagName).get(0);
}
})(jQuery);
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