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<body onload="load(); curvycurvy()" onunload="GUnload()">

/* This replaces "<body onload="load(); curvycurvy()" */
$(document).on('load', function(){
   load();
   curvycurvy();
});

/* This replaces onunload="GUnload()"> */
$(window).unload(function() {
  GUnload();
});

Drupal.behaviors.initCurvy = {
  attach: function (context, settings) {
    curvycurvy();
  }
};