window.onload = function(){

  var paper = Raphael(0,0,1000,1000);

  var path1 = "M67,100 C67,180 200,180 200,100 C190,095 177,095 167,100 C157,105 143,105 133,100 C123,095 110,095 100,100 C90,105 77,105 67,100z";  

  var path2 = "M67,100 C67,180 200,180 200,100 C190,105 177,105 167,100 C157,095 143,095 133,100 C123,105 110,105 100,100 C90,095 77,095 67,100z";

  var bowl = paper.path(path1).attr({"fill":"black"});

  var anim = Raphael.animation({

    "50%" : {path:path2},

    "100%" : {path:path1}

  },1000);

 bowl.animate(anim.repeat(Infinity));

};