window.onload = function()
{
  var canvas = document.getElementsByTagName("canvas");
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  {
    Processing( canvas[i], canvas[i].previousSibling.textContent );
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  $('#slider_edge').slider({
                        value:50,
						max:100,
						min:0,
						slide: function(event, ui) { 
							$('#val_edge').val(ui.value);
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                        value:100,
						max:200,
						min:0,
						slide: function(event, ui) { 
							$('#val_fixed_length').val(ui.value);
						}
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};