var lastmenuitem =null;



function setsub(menuitemspan){

	var menspanid = menuitemspan.id;
	if ((menspanid == null) || (menspanid == '')){
		menspanid = menuitemspan.name;
	}

	if (lastmenuitem != null){
		lastmenuitem.className='';
	}
	
	var submenstr = getsubmenstring(menspanid);

	if (submenstr != null){
		GO('subnav').innerHTML = submenstr;
		menuitemspan.className='active';
		lastmenuitem = menuitemspan;
	}

}


function GO(obid){
if (obid != null){
	  if (document.getElementById){
		return document.getElementById(obid);
	  }else if (document.all){
		return document.all[obid];
	  }else if (document.layers){
		return document.layers[obid];
	  }
  
  }
}



function getsubmenstring(menid){
var SubMenString = "";

if (SubMenuItems != null){
	var addedone = false;
		for (i = 0; i < SubMenuItems.length; i++){

		  if (SubMenuItems[i][0] == menid){
		    addedone = true;
		    SubMenString = SubMenString + SubMenuItems[i][1];
		  }
	}
}

return SubMenString ;


}