window.onload = function()
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          tr: { radius: 3 },
          bl: { radius: 3 },
          br: { radius: 3 },
          antiAlias: true,
          autoPad: false,
          validTags: ["div","span"]
      }
      mediumIconSettings = {
          tl: { radius: 3 },
          tr: { radius: 3 },
          bl: { radius: 3 },
          br: { radius: 3 },
          antiAlias: true,
          autoPad: false,
          validTags: ["div"]
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          br: { radius: 4 },
          antiAlias: true,
          autoPad: false,
          validTags: ["div","span"]
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