function show(a){ $('#a' + a).toggle(); $('#b' + a).toggle(); }
function hide(a){ $('#a' + a).toggle(); $('#b' + a).toggle(); }
function show_music_info_popup(id,pic,title,text){
	var p=$("#"+id).offset();
	var t=p.top+$("#"+id).height();
	if(!document.getElementById('music_info_popup_image')){return;}
	document.getElementById('music_info_popup_image').src=pic;
	document.getElementById('music_info_popup_title').innerHTML=title;
	document.getElementById('music_info_popup_text').innerHTML=text;
	$(".music_info_wrapper").animate({top: t}, 0);
	$('.music_info_wrapper').show(50);
}
function hide_music_info_popup(){
	$(".music_info_wrapper").hide(50);
}