function sel_hp(id){
	var bookmark = document.getElementById('hp_start_bookmark_'+id);
	var bookmark_sel = document.getElementById('hp_start_bookmark_'+id+'_sel');
	
	bookmark.style.display = "none";
	bookmark_sel.style.display = "block";
}

function nosel_hp(id){
	var bookmark = document.getElementById('hp_start_bookmark_'+id);
	var bookmark_sel = document.getElementById('hp_start_bookmark_'+id+'_sel');

	bookmark.style.display = "block";	
	bookmark_sel.style.display = "none";
}