function searchmode(x)
{
trim_query();
if( x == 'a' )
   complete_author(1,1,1,1);
else if( x == '0' )
   complete_author(0,1,1,1);
else if( x == '1' )
   complete_author(1,0,1,1);
else if( x == '2' )
   complete_author(1,1,0,1);
else /* x == '3' */
   complete_author(1,1,1,0);
remove_operators(1,1,1,1,new Array("06","07","08","09","99"));
document.search.I_XX.value = x;
setyear();
del_empty_pubext(document.search.V_09);
save_pubext_sel(document.search.V_09);
document.search.fidx.value = '';
save_fidx(document.search.F_00);
save_fidx(document.search.F_01);
save_fidx(document.search.F_02);
save_fidx(document.search.F_03);
document.search.submit();
}