.slevel0	{margin-left:0px}
.slevel1	{margin-left:20px}
.slevel2	{margin-left:40px}
.slevel3	{margin-left:60px; font-size:70%}
.slevel4	{margin-left:80px; font-size:70%}
.slevel5	{margin-left:100px; font-size:70%}
.slevel6	{margin-left:120px; font-size:70%}
.slevel7	{margin-left:140px; font-size:70%}