function ChangePopular(id){
	for(i = 1; i<8; i++){
	if(i == id) Element.show('popular_'+id);
	else Element.hide('popular_'+i);
	}
}
function PopularMain(id){
new Ajax.Updater('nav_bar','index_recipes.php?id='+id,{onLoading:function(request){},onComplete:function(request){},asynchronous:true, evalScripts:true});
ChangePopular(id);
}