window.onload = function()
  {
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      tl: { radius: 5 },
      tr: { radius: 5 },
      bl: { radius: 5 },
      br: { radius: 5 },
      antiAlias: true,
      autoPad: true,
        validTags: ["div"] 
    }
    

    var divObj = document.getElementById("izquierda"); 
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    cornersObj.applyCornersToAll();
    
    var divObj1 = document.getElementById("column2"); 
  	var cornersObj1 = new curvyCorners(settings, divObj1);
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