<div class="overlay-example" id="overlay-align">

<p><pre id="alignment"></pre><span id="step"></span></p>

<p><button type="button" id="align">Next Alignment</button></p>

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<div id="align1" class="align-box"><span class="title">id = #align1</span></div>

<div id="align2" class="align-box"><span class="title">id = #align2</span></div>

<div id="align3" class="align-box"><span class="title">id = #align3</span></div>

</div>

<script type="text/javascript">

YUI().use("overlay", function(Y) {

/* Create Overlay from script, this time. No footer */

var overlay = new Y.Overlay({

width:"10em",

height:"10em",

headerContent: "Aligned Overlay",

bodyContent: "Click the 'Align Next' button to try a new alignment",

zIndex:2

});

/* Render it to #overlay-align element */

overlay.render("#overlay-align");

var alignment = Y.one("#alignment");

var stepNumber = Y.one("#step");

/* Setup local variable for Y.WidgetPositionAlign, since we use it multiple times */

var WidgetPositionAlign = Y.WidgetPositionAlign;

var steps = [

function() {

/* Center in #overlay-align */

overlay.set("align", {node:"#overlay-align", points:[WidgetPositionAlign.CC, WidgetPositionAlign.CC]});

alignment.set("innerHTML", 'align: {node:"#overlay-align", points:["cc", "cc"]}');

},

function() {

/* Align top-left corner of overlay, with top-right corner of #align1 */

overlay.set("align", {node:"#align1", points:[WidgetPositionAlign.TL, WidgetPositionAlign.TR]});

alignment.set("innerHTML", 'align: {node:"#align1", points:["tl", "tr"]}');

},

function() {

/* Center overlay in #align2 */

overlay.set("centered", "#align2");

alignment.set("innerHTML", 'centered: "#align2"');

},

function() {

/* Align right-center edge of overlay with right-center edge of viewport */

overlay.set("align", {points:[WidgetPositionAlign.RC, WidgetPositionAlign.RC]});

alignment.set("innerHTML", 'align: {points:["rc", "rc"]} (viewport)');

},

function() {

/* Center overlay in viewport */

overlay.set("centered", true);

alignment.set("innerHTML", "centered: true (viewport)");

},

function() {

/* Align top-center edge of overlay with bottom-center edge of #align3 */

overlay.set("align", {node:"#align3", points:[WidgetPositionAlign.TC, WidgetPositionAlign.BC]});

alignment.set("innerHTML", 'align: {node:"#align3", points:["tc", "bc"]}');

}

];

var step = 0;

var totalSteps = steps.length;

function alignNext() {

stepNumber.set("innerHTML", "Alignment " + (step+1) + " of " + totalSteps);

steps[step]();

step = (++step)%(totalSteps);

}

alignNext();

Y.on("click", alignNext, "#align");

});

</script>