jQuery.fn.extend({
  haccordion: function(params){
    var jQ = jQuery;
    var params = jQ.extend({
      speed: 500,
      headerclass: "idx",
      contentclass: "page",
      contentwidth: 695
    },params);
	
    return this.each(function(){
        var p = jQ(this).parent()[0];
		p.opened = jQ("#hacr .as1 .idx");
      jQ("."+params.headerclass,this).click(function(){
        if (p.opened != this){
          jQ(p.opened).next("div."+params.contentclass).animate({
            width: "0px"
          },params.speed);
        }
        p.opened = this;
        jQ(this).next("div."+params.contentclass).animate({
          width: params.contentwidth + "px"
        }, params.speed);
      });
    });
  }
});