menucontent=function(tjson,telement){
    var tdom=YAHOO.util.Dom	;
	var Event=YAHOO.util.Event;
    var menuobjs=tdom.getElementsByClassName(tjson.menuclass,tjson.menutag,telement);
	var contentobjs=tdom.getElementsByClassName(tjson.contentclass,tjson.contenttag,telement)
	var i;
	telement=tdom.get(telement);
	var json={
     menutag:"td",
     menuclass:"pro_tdf",
	 menuactiveclass:"pro_tdfb2",
	 menunoactiveclass:"pro_tdfb3",
	 contenttag:"table",
	 contentclass:"pro_tds",
	 contentnoaddactiveclass:"hidden",
	 action:"MouseOver",
	 active:0
	 };
	var ss=function(evt){
	   evt=YAHOO.util.Event.getEvent(evt);
       var obj=YAHOO.util.Event.getTarget(evt);
	   
	   var menuobjs=tdom.getElementsByClassName(tjson.menuactiveclass,tjson.menutag,telement);
	   var contentobjs=tdom.getElementsByClassName(tjson.contentclass,tjson.contenttag,telement)
	   var i;
	   for(i=0;i<menuobjs.length;i++)
	   {tdom.replaceClass(menuobjs[i],tjson.menuactiveclass,tjson.menunoactiveclass)
	    }
		tdom.replaceClass(obj,tjson.menunoactiveclass,tjson.menuactiveclass)
	   for(i=0;i<contentobjs.length;i++)
	   {if(i!=obj.menutop)tdom.addClass(contentobjs[i],tjson.contentnoaddactiveclass)
	    else
		  tdom.removeClass(contentobjs[i],tjson.contentnoaddactiveclass)
	    }
	   }
	for(i=0;i<menuobjs.length;i++)
	   {menuobjs[i].menutop=i;
        Event.addListener(menuobjs[i],tjson.action,ss);
	    }
	if(tjson.active<contentobjs.length)tdom.removeClass(contentobjs[tjson.active],tjson.contentnoaddactiveclass);
	
  }