PH 491 Section 001: Advanced Laboratory

Fall, 2010

3 Credit Hours

Primary Instructor: Andreas Piepke

Core Designation: Writing

Syllabus subject to change.

Office Hours=20

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Wednesday 10:00 am to=20 12:00 am. I have an open door policy. You might see me whenever I am in = my=20 office, room 202 Gallalee Hall.

Phone:=20 6066,

Email: andreas@bama.ua.edu=

Prerequisites=20

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From the Student Records System

PH 255 (undergrad) with a minimum grade of D-

The lab will = require handling=20 of sealed radioactive calibration sources. All students need to do the = radiation=20 safety training offered by the Office of Environmental Health and Safety = (EHS)=20 on-line. Every student will need to provide an up-to-date, EHS issued=20 certificate, showing that the training has been successfully=20 passed.

Course Description=20

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This class will be = held in=20 room 322 Gallalee Hall. The class meets Tuesday and Thursday 1:30 = pm to=20 3:00 pm and has 3 credit hours.

The = class covers=20 experimental aspects of physics with a focus radiation detection and=20 measurement. It will provide an in-depth introduction into methods = encountered=20 when collecting, summarizing and interpreting data. These are general = skills=20 required in all fields of experimental physics. Main subject = of this=20 class will be the construction of a beta spectrometer to experimentally=20 demonstrate the need for special relativity. The experiment will be = designed and built by the students. The class will have a budget = and access=20 to the department shops. If needed there will be access to my = research=20 lab. The course comprises three major = elements:

Lectures on = subjects=20 important for the class
Conducting two = pre-prepared=20 "warm-up" experiments
Building and = commissioning=20 of an experiment to demonstrate special=20 relativity

Objectives=20

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1. Recognizing = physics=20 concepts that involve determining the range, accuracy and sensitivity of = experimental apparatus.

2. Judiciously = discriminating=20 between reliable and less reliable information and using the scientific = method=20 to critically evaluate scientific data, reports and journal articles.=20

3. Performing = detailed=20 searches of scientific databases and journals to assess and propose new = physics=20 experiments.

4. Producing=20 publication-quality graphics for inclusion in scientific reports and = journal=20 articles.

5. Comparing = results to=20 optimize measurement methods, leading to efficient and complete analysis = of=20 fabricated samples.

6. The process of = presenting=20 scientific results as posters, research papers and talks.=20

Outline of Topics=20

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Lecture=20 segments:

First order = differential=20 equations
Statistics and = data=20 analysis
Types of=20 radiation
Interaction of = radiation=20 with matter
Pulse signals in=20 electronics
Energy and = momentum=20 analysis of electrons

Pre-prepared=20 experiments:

Determination of = the=20 spectral photon detection efficiency of a NaI = scintillator
Decay of Radon = daughters=20 sampled from air

Special=20 relativity

Design and build = a beta=20 spectrometer
Demonstrate the=20 relativistic energy-momentum = relation

Exams and Assignments=20

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There will be = several=20 different types of performance assessment in class:

Homework=20 assignments
Demonstrated = proficiency on=20 the lab equipment
Laboratory=20 notebook
A midterm = seminar. Every=20 student will give one, at least 15 min seminar to the = class
Final paper in = scientific=20 format

Grading Policy=20

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The final grade = will be=20 computed as the weighted average of the grades received for various = assessments.=20 The following weights will be applied:

Homework = assignments =20 20%
Demonstrated = proficiency on=20 the lab equipment 10%
Laboratory = notebook =20 10%
A midterm = seminar. Every=20 student will give one seminar of at least 15 min to the class.=20 The students will assign the grade. 30%
Final paper in = scientific=20 format 30%

PH591 students are = required=20 to deliver a 4 page final paper, in PRL format, on the test of special=20 relativity using the beta spectrometer. PH591 will further summarize = other tests=20 of special relativity by means of a literature=20 study.

Policy on Missed Exams & = Coursework=20

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Generally there = will be no=20 make-up of missed classwork or assignment.

Attendance Policy=20

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Students are = expected to=20 attend classes as scheduled. Assignments must be turned in on time, to = allow for=20 peer review and evaluation. Since the quality of the final paper is = increased=20 through reviews and revisions, it is strongly recommended to hand in = preliminary=20 work on time to allow for constructive criticisms. Late assignments may = be=20 accepted from students that experience difficulties beyond their control = which=20 result in failure to attend class or failure to complete an assignment = on time.=20

Required Texts=20

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UA Supply Store Textbook Information

NONE / NO TEXT REQUIRED

=20

Other Course Materials=20

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A copy of W.R. Leo, = "Techniques for Nuclear and ParticlePhysics Experiments" will be = available in=20 the lab.

Other useful = reading material=20 is: P.R. Bevington and D.K. Robinson, "Data Reduction and Error Analysis = for the=20 Physical Sciences", G. Cowan, "Statistical Data = Analysis".

These are not = required=20 texts.

Extra Credit Opportunities=20

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Students are = expected to=20 complete their assignments on schedule. There will be no extra credit=20 awarded.

Disability Statement

If you are registered with = the Office of=20 Disability Services, please make an appointment with me as soon as = possible to=20 discuss any course accommodations that may be necessary. If you have a=20 disability, but have not contacted the Office of Disability Services, = please=20 call 348-4285 or visit 133-B Martha Parham Hall East to register for = services.=20 Students who may need course adaptations because of a disability are = welcome to=20 make an appointment to see me during office hours. Students with = disabilities=20 must be registered with the Office of Disability Services, 133-B Martha = Parham=20 Hall East, before receiving academic adjustments.

Policy on Academic Misconduct =

All students in attendance at the University of Alabama are expected = to be=20 honorable and to observe standards of conduct appropriate to a community = of=20 scholars. The University expects from its students a higher standard of = conduct=20 than the minimum required to avoid discipline. Academic misconduct = includes all=20 acts of dishonesty in any academically related matter and any knowing or = intentional help or attempt to help, or conspiracy to help, another = student.=20

The Academic Misconduct Disciplinary Policy will be = followed=20 in the event of academic misconduct.

Severe Weather Protocol =

In the case of a tornado warning (tornado has been sighted or = detected by=20 radar; sirens activated), all university activities are automatically = suspended,=20 including all classes and laboratories. If you are in a building, please = move=20 immediately to the lowest level and toward the center of the building = away from=20 windows (interior classrooms, offices, or corridors) and remain there = until the=20 tornado warning has expired. Classes in session when the tornado warning = is=20 issued can resume immediately after the warning has expired at the = discretion of=20 the instructor. Classes that have not yet begun will resume 30 minutes = after the=20 tornado warning has expired provided at least half of the class period=20 remains.

UA is a residential campus with many students living on or near = campus. In=20 general classes will remain in session until the National Weather = Service issues=20 safety warnings for the city of Tuscaloosa. Clearly, some students and = faculty=20 commute from adjacent counties. These counties may experience weather = related=20 problems not encountered in Tuscaloosa. Individuals should follow the = advice of=20 the National Weather Service for that area taking the necessary = precautions to=20 ensure personal safety. Whenever the National Weather Service and the = Emergency=20 Management Agency issue a warning, people in the path of the storm = (tornado or=20 severe thunderstorm) should take immediate life saving actions.

When West Alabama is under a severe weather advisory, = conditions can=20 change rapidly. It is imperative to get to where you can receive = information=20 from the National = Weather=20 Service and to follow the instructions provided. Personal safety = should=20 dictate the actions that faculty, staff and students take. The Office of = Public=20 Relations will disseminate the latest information regarding conditions = on campus=20 in the following ways:

Weather advisory posted on the UA homepage
Weather advisory sent out through Connect-ED--faculty, staff and = students=20 (sign up at = myBama)
Weather advisory broadcast over WVUA at 90.7 FM
Weather advisory broadcast over Alabama Public Radio (WUAL) at = 91.5 FM=20
Weather advisory broadcast over WVUA 7. WVUA 7 Storm Watch = provides a free=20 service you can subscribe to that allows you to receive weather = warnings for=20 Tuscaloosa via e-mail, pager or cell phone. Check http://www.wvua7.com/stormwatch.html for = details.

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')=0A= =0A= $('#facebox').css({=0A= top: getPageScroll()[1] + (getPageHeight() / 10),=0A= left: 385.5=0A= }).show()=0A= =0A= $(document).bind('keydown.facebox', function(e) {=0A= if (e.keyCode =3D=3D 27) $.facebox.close()=0A= return true=0A= })=0A= $(document).trigger('loading.facebox')=0A= },=0A= =0A= reveal: function(data, klass) {=0A= $(document).trigger('beforeReveal.facebox')=0A= if (klass) $('#facebox .content').addClass(klass)=0A= $('#facebox .content').append(data)=0A= $('#facebox .loading').remove()=0A= $('#facebox .body').children().fadeIn('normal')=0A= $('#facebox').css('left', $(window).width() / 2 - ($('#facebox = table').width() / 2))=0A= = $(document).trigger('reveal.facebox').trigger('afterReveal.facebox')=0A= },=0A= =0A= close: function() {=0A= $(document).trigger('close.facebox')=0A= return false=0A= }=0A= })=0A= =0A= /*=0A= * Public, $.fn methods=0A= */=0A= =0A= $.fn.facebox =3D function(settings) {=0A= init(settings)=0A= =0A= function clickHandler() {=0A= $.facebox.loading(true)=0A= =0A= // support for rel=3D"facebox.inline_popup" syntax, to add a class=0A= // also supports deprecated "facebox[.inline_popup]" syntax=0A= var klass =3D this.rel.match(/facebox\[?\.(\w+)\]?/)=0A= if (klass) klass =3D klass[1]=0A= =0A= fillFaceboxFromHref(this.href, klass)=0A= return false=0A= }=0A= =0A= return this.click(clickHandler)=0A= }=0A= =0A= /*=0A= * Private methods=0A= */=0A= =0A= // called one time to setup facebox on this page=0A= function init(settings) {=0A= if ($.facebox.settings.inited) return true=0A= else $.facebox.settings.inited =3D true=0A= =0A= $(document).trigger('init.facebox')=0A= makeCompatible()=0A= =0A= var imageTypes =3D $.facebox.settings.imageTypes.join('|')=0A= $.facebox.settings.imageTypesRegexp =3D new RegExp('\.' + imageTypes = + '$', 'i')=0A= =0A= if (settings) $.extend($.facebox.settings, settings)=0A= $('body').append($.facebox.settings.faceboxHtml)=0A= =0A= var preload =3D [ new Image(), new Image() ]=0A= preload[0].src =3D $.facebox.settings.closeImage=0A= preload[1].src =3D $.facebox.settings.loadingImage=0A= =0A= $('#facebox').find('.b:first, .bl, .br, .tl, .tr').each(function() {=0A= preload.push(new Image())=0A= preload.slice(-1).src =3D = $(this).css('background-image').replace(/url$(.+)$/, '$1')=0A= })=0A= =0A= $('#facebox .close').click($.facebox.close)=0A= $('#facebox .close_image').attr('src', $.facebox.settings.closeImage)=0A= }=0A= =0A= // getPageScroll() by quirksmode.com=0A= function getPageScroll() {=0A= var xScroll, yScroll;=0A= if (self.pageYOffset) {=0A= yScroll =3D self.pageYOffset;=0A= xScroll =3D self.pageXOffset;=0A= } else if (document.documentElement && = document.documentElement.scrollTop) { // Explorer 6 Strict=0A= yScroll =3D document.documentElement.scrollTop;=0A= xScroll =3D document.documentElement.scrollLeft;=0A= } else if (document.body) {// all other Explorers=0A= yScroll =3D document.body.scrollTop;=0A= xScroll =3D document.body.scrollLeft; =0A= }=0A= return new Array(xScroll,yScroll) =0A= }=0A= =0A= // Adapted from getPageSize() by quirksmode.com=0A= function getPageHeight() {=0A= var windowHeight=0A= if (self.innerHeight) { // all except Explorer=0A= windowHeight =3D self.innerHeight;=0A= } else if (document.documentElement && = document.documentElement.clientHeight) { // Explorer 6 Strict Mode=0A= windowHeight =3D document.documentElement.clientHeight;=0A= } else if (document.body) { // other Explorers=0A= windowHeight =3D document.body.clientHeight;=0A= } =0A= return windowHeight=0A= }=0A= =0A= // Backwards compatibility=0A= function makeCompatible() {=0A= var $s =3D $.facebox.settings=0A= =0A= $s.loadingImage =3D $s.loading_image || $s.loadingImage=0A= $s.closeImage =3D $s.close_image || $s.closeImage=0A= $s.imageTypes =3D $s.image_types || $s.imageTypes=0A= $s.faceboxHtml =3D $s.facebox_html || $s.faceboxHtml=0A= }=0A= =0A= // Figures out what you want to display and displays it=0A= // formats are:=0A= // div: #id=0A= // image: blah.extension=0A= // ajax: anything else=0A= function fillFaceboxFromHref(href, klass) {=0A= // div=0A= if (href.match(/#/)) {=0A= var url =3D window.location.href.split('#')[0]=0A= var target =3D href.replace(url,'')=0A= $.facebox.reveal($(target).clone().show(), klass)=0A= =0A= // image=0A= } else if (href.match($.facebox.settings.imageTypesRegexp)) {=0A= fillFaceboxFromImage(href, klass)=0A= // ajax=0A= } else {=0A= fillFaceboxFromAjax(href, klass)=0A= }=0A= }=0A= =0A= function fillFaceboxFromImage(href, klass) {=0A= var image =3D new Image()=0A= image.onload =3D function() {=0A= $.facebox.reveal('

')=0A= =0A= $('#facebox_overlay').hide().addClass("facebox_overlayBG")=0A= .css('opacity', $.facebox.settings.opacity)=0A= .click(function() { $(document).trigger('close.facebox') })=0A= .fadeIn(200)=0A= return false=0A= }=0A= =0A= function hideOverlay() {=0A= if (skipOverlay()) return=0A= =0A= $('#facebox_overlay').fadeOut(200, function(){=0A= $("#facebox_overlay").removeClass("facebox_overlayBG")=0A= $("#facebox_overlay").addClass("facebox_hide") =0A= $("#facebox_overlay").remove()=0A= })=0A= =0A= return false=0A= }=0A= =0A= /*=0A= * Bindings=0A= */=0A= =0A= $(document).bind('close.facebox', function() {=0A= $(document).unbind('keydown.facebox')=0A= $('#facebox').fadeOut(function() {=0A= $('#facebox .content').removeClass().addClass('content')=0A= hideOverlay()=0A= $('#facebox .loading').remove()=0A= })=0A= })=0A= =0A= })(jQuery);=0A= ------=_NextPart_000_0000_01CB3EEE.0274AAD0 Content-Type: application/octet-stream Content-Transfer-Encoding: quoted-printable Content-Location: http://uaops.ua.edu/js/jquery.blockUI.js =EF=BB=BF/*=0A= * jQuery blockUI plugin=0A= * Version 2.23 (21-JUN-2009)=0A= * @requires jQuery v1.2.3 or later=0A= *=0A= * Examples at: http://malsup.com/jquery/block/=0A= * Copyright (c) 2007-2008 M. Alsup=0A= * Dual licensed under the MIT and GPL licenses:=0A= * http://www.opensource.org/licenses/mit-license.php=0A= * http://www.gnu.org/licenses/gpl.html=0A= *=0A= * Thanks to Amir-Hossein Sobhi for some excellent contributions!=0A= */=0A= =0A= ;(function($) {=0A= =0A= if (/1\.(0|1|2)\.(0|1|2)/.test($.fn.jquery) || /^1.1/.test($.fn.jquery)) = {=0A= alert('blockUI requires jQuery v1.2.3 or later! You are using v' + = $.fn.jquery);=0A= return;=0A= }=0A= =0A= $.fn._fadeIn =3D $.fn.fadeIn;=0A= =0A= // this bit is to ensure we don't call setExpression when we shouldn't = (with extra muscle to handle=0A= // retarded userAgent strings on Vista)=0A= var mode =3D document.documentMode || 0;=0A= var setExpr =3D $.browser.msie && (($.browser.version < 8 && !mode) || = mode < 8);=0A= var ie6 =3D $.browser.msie && /MSIE 6.0/.test(navigator.userAgent) && = !mode;=0A= =0A= // global $ methods for blocking/unblocking the entire page=0A= $.blockUI =3D function(opts) { install(window, opts); };=0A= $.unblockUI =3D function(opts) { remove(window, opts); };=0A= =0A= // convenience method for quick growl-like notifications = (http://www.google.com/search?q=3Dgrowl)=0A= $.growlUI =3D function(title, message, timeout, onClose) {=0A= var $m =3D $('

');=0A= if (title) $m.append('

'+title+'

');=0A= if (message) $m.append('

'+message+'

');=0A= if (timeout =3D=3D undefined) timeout =3D 3000;=0A= $.blockUI({=0A= message: $m, fadeIn: 700, fadeOut: 1000, centerY: false,=0A= timeout: timeout, showOverlay: false,=0A= onUnblock: onClose, =0A= css: $.blockUI.defaults.growlCSS=0A= });=0A= };=0A= =0A= // plugin method for blocking element content=0A= $.fn.block =3D function(opts) {=0A= return this.unblock({ fadeOut: 0 }).each(function() {=0A= if ($.css(this,'position') =3D=3D 'static')=0A= this.style.position =3D 'relative';=0A= if ($.browser.msie)=0A= this.style.zoom =3D 1; // force 'hasLayout'=0A= install(this, opts);=0A= });=0A= };=0A= =0A= // plugin method for unblocking element content=0A= $.fn.unblock =3D function(opts) {=0A= return this.each(function() {=0A= remove(this, opts);=0A= });=0A= };=0A= =0A= $.blockUI.version =3D 2.23; // 2nd generation blocking at no extra cost!=0A= =0A= // override these in your code to change the default behavior and style=0A= $.blockUI.defaults =3D {=0A= // message displayed when blocking (use null for no message)=0A= message: '

Please wait...

',=0A= =0A= // styles for the message when blocking; if you wish to disable=0A= // these and use an external stylesheet then do this in your code:=0A= // $.blockUI.defaults.css =3D {};=0A= css: {=0A= padding: 0,=0A= margin: 0,=0A= width: '30%',=0A= top: '40%',=0A= left: '35%',=0A= textAlign: 'center',=0A= color: '#000',=0A= border: '3px solid #aaa',=0A= backgroundColor:'#fff',=0A= cursor: 'wait'=0A= },=0A= =0A= // styles for the overlay=0A= overlayCSS: {=0A= backgroundColor: '#000',=0A= opacity: 0.6,=0A= cursor: 'wait'=0A= },=0A= =0A= // styles applied when using $.growlUI=0A= growlCSS: {=0A= width: '350px',=0A= top: '10px',=0A= left: '',=0A= right: '10px',=0A= border: 'none',=0A= padding: '5px',=0A= opacity: 0.6,=0A= cursor: null,=0A= color: '#fff',=0A= backgroundColor: '#000',=0A= '-webkit-border-radius': '10px',=0A= '-moz-border-radius': '10px'=0A= },=0A= =0A= // IE issues: 'about:blank' fails on HTTPS and javascript:false is = s-l-o-w=0A= // (hat tip to Jorge H. N. de Vasconcelos)=0A= iframeSrc: /^https/i.test(window.location.href || '') ? = 'javascript:false' : 'about:blank',=0A= =0A= // force usage of iframe in non-IE browsers (handy for blocking applets)=0A= forceIframe: false,=0A= =0A= // z-index for the blocking overlay=0A= baseZ: 1000,=0A= =0A= // set these to true to have the message automatically centered=0A= centerX: true, // <-- only effects element blocking (page block = controlled via css above)=0A= centerY: true,=0A= =0A= // allow body element to be stetched in ie6; this makes blocking = look better=0A= // on "short" pages. disable if you wish to prevent changes to the = body height=0A= allowBodyStretch: true,=0A= =0A= // enable if you want key and mouse events to be disabled for content = that is blocked=0A= bindEvents: true,=0A= =0A= // be default blockUI will supress tab navigation from leaving = blocking content=0A= // (if bindEvents is true)=0A= constrainTabKey: true,=0A= =0A= // fadeIn time in millis; set to 0 to disable fadeIn on block=0A= fadeIn: 200,=0A= =0A= // fadeOut time in millis; set to 0 to disable fadeOut on unblock=0A= fadeOut: 400,=0A= =0A= // time in millis to wait before auto-unblocking; set to 0 to disable = auto-unblock=0A= timeout: 0,=0A= =0A= // disable if you don't want to show the overlay=0A= showOverlay: true,=0A= =0A= // if true, focus will be placed in the first available input field = when=0A= // page blocking=0A= focusInput: true,=0A= =0A= // suppresses the use of overlay styles on FF/Linux (due to = performance issues with opacity)=0A= applyPlatformOpacityRules: true,=0A= =0A= // callback method invoked when unblocking has completed; the = callback is=0A= // passed the element that has been unblocked (which is the window = object for page=0A= // blocks) and the options that were passed to the unblock call:=0A= // onUnblock(element, options)=0A= onUnblock: null,=0A= =0A= // don't ask; if you really must know: = http://groups.google.com/group/jquery-en/browse_thread/thread/36640a87305= 03595/2f6a79a77a78e493#2f6a79a77a78e493=0A= quirksmodeOffsetHack: 4=0A= };=0A= =0A= // private data and functions follow...=0A= =0A= var pageBlock =3D null;=0A= var pageBlockEls =3D [];=0A= =0A= function install(el, opts) {=0A= var full =3D (el =3D=3D window);=0A= var msg =3D opts && opts.message !=3D=3D undefined ? opts.message : = undefined;=0A= opts =3D $.extend({}, $.blockUI.defaults, opts || {});=0A= opts.overlayCSS =3D $.extend({}, $.blockUI.defaults.overlayCSS, = opts.overlayCSS || {});=0A= var css =3D $.extend({}, $.blockUI.defaults.css, opts.css || {});=0A= msg =3D msg =3D=3D=3D undefined ? opts.message : msg;=0A= =0A= // remove the current block (if there is one)=0A= if (full && pageBlock)=0A= remove(window, {fadeOut:0});=0A= =0A= // if an existing element is being used as the blocking content then = we capture=0A= // its current place in the DOM (and current display style) so we = can restore=0A= // it when we unblock=0A= if (msg && typeof msg !=3D 'string' && (msg.parentNode || = msg.jquery)) {=0A= var node =3D msg.jquery ? msg[0] : msg;=0A= var data =3D {};=0A= $(el).data('blockUI.history', data);=0A= data.el =3D node;=0A= data.parent =3D node.parentNode;=0A= data.display =3D node.style.display;=0A= data.position =3D node.style.position;=0A= if (data.parent)=0A= data.parent.removeChild(node);=0A= }=0A= =0A= var z =3D opts.baseZ;=0A= =0A= // blockUI uses 3 layers for blocking, for simplicity they are all = used on every platform;=0A= // layer1 is the iframe layer which is used to supress bleed through = of underlying content=0A= // layer2 is the overlay layer which has opacity and a wait cursor = (by default)=0A= // layer3 is the message content that is displayed while blocking=0A= =0A= var lyr1 =3D ($.browser.msie || opts.forceIframe) =0A= ? $('')=0A= : $('');=0A= var lyr2 =3D $('

');=0A= var lyr3 =3D full ? $('

')=0A= : $('

');=0A= =0A= // if we have a message, style it=0A= if (msg)=0A= lyr3.css(css);=0A= =0A= // style the overlay=0A= if (!opts.applyPlatformOpacityRules || !($.browser.mozilla && = /Linux/.test(navigator.platform)))=0A= lyr2.css(opts.overlayCSS);=0A= lyr2.css('position', full ? 'fixed' : 'absolute');=0A= =0A= // make iframe layer transparent in IE=0A= if ($.browser.msie || opts.forceIframe)=0A= lyr1.css('opacity',0.0);=0A= =0A= $([lyr1[0],lyr2[0],lyr3[0]]).appendTo(full ? 'body' : el);=0A= =0A= // ie7 must use absolute positioning in quirks mode and to account = for activex issues (when scrolling)=0A= var expr =3D setExpr && (!$.boxModel || $('object,embed', full ? = null : el).length > 0);=0A= if (ie6 || expr) {=0A= // give body 100% height=0A= if (full && opts.allowBodyStretch && $.boxModel)=0A= $('html,body').css('height','100%');=0A= =0A= // fix ie6 issue when blocked element has a border width=0A= if ((ie6 || !$.boxModel) && !full) {=0A= var t =3D sz(el,'borderTopWidth'), l =3D = sz(el,'borderLeftWidth');=0A= var fixT =3D t ? '(0 - '+t+')' : 0;=0A= var fixL =3D l ? '(0 - '+l+')' : 0;=0A= }=0A= =0A= // simulate fixed position=0A= $.each([lyr1,lyr2,lyr3], function(i,o) {=0A= var s =3D o[0].style;=0A= s.position =3D 'absolute';=0A= if (i < 2) {=0A= full ? = s.setExpression('height','Math.max(document.body.scrollHeight, = document.body.offsetHeight) - = (jQuery.boxModel?0:'+opts.quirksmodeOffsetHack+') + "px"')=0A= : = s.setExpression('height','this.parentNode.offsetHeight + "px"');=0A= full ? s.setExpression('width','jQuery.boxModel && = document.documentElement.clientWidth || document.body.clientWidth + = "px"')=0A= : = s.setExpression('width','this.parentNode.offsetWidth + "px"');=0A= if (fixL) s.setExpression('left', fixL);=0A= if (fixT) s.setExpression('top', fixT);=0A= }=0A= else if (opts.centerY) {=0A= if (full) = s.setExpression('top','(document.documentElement.clientHeight || = document.body.clientHeight) / 2 - (this.offsetHeight / 2) + (blah =3D = document.documentElement.scrollTop ? document.documentElement.scrollTop = : document.body.scrollTop) + "px"');=0A= s.marginTop =3D 0;=0A= }=0A= else if (!opts.centerY && full) {=0A= var top =3D (opts.css && opts.css.top) ? parseInt(opts.css.top) : 0;=0A= var expression =3D '((document.documentElement.scrollTop ? = document.documentElement.scrollTop : document.body.scrollTop) + '+top+') = + "px"';=0A= s.setExpression('top',expression);=0A= }=0A= });=0A= }=0A= =0A= // show the message=0A= if (msg) {=0A= lyr3.append(msg);=0A= if (msg.jquery || msg.nodeType)=0A= $(msg).show();=0A= }=0A= =0A= if (($.browser.msie || opts.forceIframe) && opts.showOverlay)=0A= lyr1.show(); // opacity is zero=0A= if (opts.fadeIn) {=0A= if (opts.showOverlay)=0A= lyr2._fadeIn(opts.fadeIn);=0A= if (msg)=0A= lyr3.fadeIn(opts.fadeIn);=0A= }=0A= else {=0A= if (opts.showOverlay)=0A= lyr2.show();=0A= if (msg)=0A= lyr3.show();=0A= }=0A= =0A= // bind key and mouse events=0A= bind(1, el, opts);=0A= =0A= if (full) {=0A= pageBlock =3D lyr3[0];=0A= pageBlockEls =3D $(':input:enabled:visible',pageBlock);=0A= if (opts.focusInput)=0A= setTimeout(focus, 20);=0A= }=0A= else=0A= center(lyr3[0], opts.centerX, opts.centerY);=0A= =0A= if (opts.timeout) {=0A= // auto-unblock=0A= var to =3D setTimeout(function() {=0A= full ? $.unblockUI(opts) : $(el).unblock(opts);=0A= }, opts.timeout);=0A= $(el).data('blockUI.timeout', to);=0A= }=0A= };=0A= =0A= // remove the block=0A= function remove(el, opts) {=0A= var full =3D el =3D=3D window;=0A= var $el =3D $(el);=0A= var data =3D $el.data('blockUI.history');=0A= var to =3D $el.data('blockUI.timeout');=0A= if (to) {=0A= clearTimeout(to);=0A= $el.removeData('blockUI.timeout');=0A= }=0A= opts =3D $.extend({}, $.blockUI.defaults, opts || {});=0A= bind(0, el, opts); // unbind events=0A= var els =3D full ? $('body').children().filter('.blockUI') : = $('.blockUI', el);=0A= =0A= if (full)=0A= pageBlock =3D pageBlockEls =3D null;=0A= =0A= if (opts.fadeOut) {=0A= els.fadeOut(opts.fadeOut);=0A= setTimeout(function() { reset(els,data,opts,el); }, = opts.fadeOut);=0A= }=0A= else=0A= reset(els, data, opts, el);=0A= };=0A= =0A= // move blocking element back into the DOM where it started=0A= function reset(els,data,opts,el) {=0A= els.each(function(i,o) {=0A= // remove via DOM calls so we don't lose event handlers=0A= if (this.parentNode)=0A= this.parentNode.removeChild(this);=0A= });=0A= =0A= if (data && data.el) {=0A= data.el.style.display =3D data.display;=0A= data.el.style.position =3D data.position;=0A= if (data.parent)=0A= data.parent.appendChild(data.el);=0A= $(data.el).removeData('blockUI.history');=0A= }=0A= =0A= if (typeof opts.onUnblock =3D=3D 'function')=0A= opts.onUnblock(el,opts);=0A= };=0A= =0A= // bind/unbind the handler=0A= function bind(b, el, opts) {=0A= var full =3D el =3D=3D window, $el =3D $(el);=0A= =0A= // don't bother unbinding if there is nothing to unbind=0A= if (!b && (full && !pageBlock || !full && = !$el.data('blockUI.isBlocked')))=0A= return;=0A= if (!full)=0A= $el.data('blockUI.isBlocked', b);=0A= =0A= // don't bind events when overlay is not in use or if bindEvents is = false=0A= if (!opts.bindEvents || (b && !opts.showOverlay)) =0A= return;=0A= =0A= // bind anchors and inputs for mouse and key events=0A= var events =3D 'mousedown mouseup keydown keypress';=0A= b ? $(document).bind(events, opts, handler) : = $(document).unbind(events, handler);=0A= =0A= // former impl...=0A= // var $e =3D $('a,:input');=0A= // b ? $e.bind(events, opts, handler) : $e.unbind(events, handler);=0A= };=0A= =0A= // event handler to suppress keyboard/mouse events when blocking=0A= function handler(e) {=0A= // allow tab navigation (conditionally)=0A= if (e.keyCode && e.keyCode =3D=3D 9) {=0A= if (pageBlock && e.data.constrainTabKey) {=0A= var els =3D pageBlockEls;=0A= var fwd =3D !e.shiftKey && e.target =3D=3D els[els.length-1];=0A= var back =3D e.shiftKey && e.target =3D=3D els[0];=0A= if (fwd || back) {=0A= setTimeout(function(){focus(back)},10);=0A= return false;=0A= }=0A= }=0A= }=0A= // allow events within the message content=0A= if ($(e.target).parents('div.blockMsg').length > 0)=0A= return true;=0A= =0A= // allow events for content that is not being blocked=0A= return $(e.target).parents().children().filter('div.blockUI').length = =3D=3D 0;=0A= };=0A= =0A= function focus(back) {=0A= if (!pageBlockEls)=0A= return;=0A= var e =3D pageBlockEls[back=3D=3D=3Dtrue ? pageBlockEls.length-1 : = 0];=0A= if (e)=0A= e.focus();=0A= };=0A= =0A= function center(el, x, y) {=0A= var p =3D el.parentNode, s =3D el.style;=0A= var l =3D ((p.offsetWidth - el.offsetWidth)/2) - = sz(p,'borderLeftWidth');=0A= var t =3D ((p.offsetHeight - el.offsetHeight)/2) - = sz(p,'borderTopWidth');=0A= if (x) s.left =3D l > 0 ? (l+'px') : '0';=0A= if (y) s.top =3D t > 0 ? (t+'px') : '0';=0A= };=0A= =0A= function sz(el, p) {=0A= return parseInt($.css(el,p))||0;=0A= };=0A= =0A= })(jQuery);=0A= ------=_NextPart_000_0000_01CB3EEE.0274AAD0 Content-Type: application/octet-stream Content-Transfer-Encoding: quoted-printable Content-Location: http://uaops.ua.edu/js/opstimeout.js //script to handle timeouts coming from Ajax requests=0A= $(document).ajaxComplete( function(event, xhr, options)=0A= {=0A= =C2=A0 =C2=A0 var data =3D $.httpData(xhr,options.dataType);=0A= =C2=A0 =C2=A0 if (data =3D=3D 'opstimeout') {=0A= $.facebox('Your session has expired due to inactivity. You will be = redirected to the login page in a moment.');=0A= var t =3D setTimeout('top.location =3D "/logout.php"', 3000);=0A= } else if (data =3D=3D 'opserror') {=0A= $.facebox('An error has occured.');=0A= }=0A= }); ------=_NextPart_000_0000_01CB3EEE.0274AAD0--

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