jQuery.fn.extend({
haccordion: function(params){
						var jQ = jQuery;
						var params = jQ.extend({
								speed: 500,
								headerclass: "header",
								contentclass: "content",
								contentwidth: 0,
								openone:0
						},params);
						return this.each(function(index){
								jQ("."+params.headerclass,this).each(function(index){
								if(index == params.openone){
								var p = jQ(this).parent()[0];
                p.opened = this;
                jQ(this).next("div."+params.contentclass).animate({
                width: params.contentwidth + "px"
            }, params.speed);
           }
                }).click(function(){
                var p = jQ(this).parent()[0];
								if (p.opened == this) return;
                if (p.opened != "undefined"){
                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);
	 							 					 });
	 							 });
	 }
});