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walterdavis/gist:4203930

Created December 4, 2012 13:35
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gistfile1.js
var panel = $('yourElement').store('width', $('yourElement').getWidth()).setStyle('width:0');
$('button').observe('click', function(evt){
if(panel.getWidth() < panel.retrieve('width')){
panel.morph('width: ' + panel.retrieve('width') + 'px', {duration: 0.4});
}else{
panel.morph('width: 0', {duration: 0.4});
}
}).setStyle('cursor:pointer');
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