$(document).ready(function(){
	// initMusicTypes(3);
	});
function initMusicTypes(cursor)
{
	var sum=0;
	for (var master_type in music_types){
		sum++;
	}
	var i=1;
	for (var master_type in music_types)
	{
		var className = (i == cursor) ? 'current' : '';
		$("#master_type .clearfix").before('<li class="' + className + '" id=type' + i + ' onMouseOver="tab(\'type\', ' + i + ', ' + sum + ')"><a href="/ranking/music/all/' + master_type + '">' + master_type + '</a></li>');
		var style = (i == cursor) ? 'display:block' : 'display:none';
		$("#music_type").append('<div class="typecont" id="type_cont' + i + '" style="' + style + '"></div>');
		var j = 0;
		for (var sub_type in music_types[master_type])
		{
			if( j > 12 && $("#top_music1").length > 0)
			{
				$("#type_cont" + i).append('<a href="/musices">更多...</a>');
				break;
			}
			else
			{			
				j++;
				$("#type_cont" + i).append('<a href="/ranking/music/all/' + master_type + '/' + music_types[master_type][sub_type] + '">' + music_types[master_type][sub_type] + '</a>');
			}
		}
		i++;
	}
}
function tabIndex(type)
{
	window.setTimeout(function(){
		var sum=0;
		for (var master_type in music_types){
			sum++;
		}
		var i=0;
		for (var master_type in music_types)
		{
			i++;
			if ( master_type == type ) break;
		}
		initMusicTypes(i);
	}, 
	100);
}