function show_button(obj){
	obj.className = "button-on";
}
function hide_button(obj){
	obj.className = "button-off";
}
function highlight_zhao_table(id){
	return;
	for(var i = 1; i <= 10; i ++){
		if(i != id){
			$("zhao_table_" + i).style.backgroundImage = "url('brand/area/" + i + "_off.png')";
		}
		else{
			$("zhao_table_" + i).style.backgroundImage = "url('brand/area/" + i + ".png')";
		}
	}
}

function dehighlight_zhao_table(id){
	return;
	for(var i = 1; i <= 10; i ++){
		$("zhao_table_" + i).style.backgroundImage = "url('brand/area/" + i + ".png')";
	}
}
function init(){
	
}