function clearText() {

  var content=document.getElementById("content");

  /*var child=content.childNodes;

  for(i=child.length-1;i>=0;i--){

      var childNode=child[1];

      content.removeChild(childNode);

  }*/

  /*var x=content.removeChild(content.childNodes[0]);

  x=null;*/

  var numl=content.childNodes;

  while(numl<=content.length-1){

      document.write(content.removeChild[1]);

      numl=1;

  }

}