function writeCombo()
{
   document.write ("<select name='select' onChange=\"MM_jumpMenu('parent',this,0)\">");
   document.write ("<option selected value='../../../../web_club/doc/actual/doc/i_documentos.htm'>Cambiar comunidad</option>");
   document.write ("<option value='../../../../web_club/doc/tabaco/doc/i_documentos.htm'>Tabaquismo</option>");
   document.write ("<option value='../../../../web_club/doc/actual/doc/i_documentos.htm'>Bronquitis</option>");
   document.write ("</select>");
}                  
                
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}