function getChildren(obj){  var objChild = [] ;  var objs = obj.getElementsByTagName('*');  for(var i=0,j=objs.length; i<j;++i){    if(objs[i].nodeType != 1){alert(objs[i].nodeType);      continue ;    }    var temp = objs[i].parentNode;    if(temp.nodeType == 1){      if(temp == obj){        objChild[objChild.length] = objs[i] ;      }    }else if(temp.parentNode == obj){      objChild[objChild.length] = objs[i] ;    }  }  return objChild ;}