function openTab(numtabs,tabfamily,tabid)
{
   var tempTabId;
   var currentTabId= tabfamily + tabid;
   for(i=1; i<= numtabs; i++)
   {
      tempTabId = tabfamily+i;
      getEl(tempTabId+"m").className="";
      getEl(tempTabId).style.display="none";
   }
   getEl(currentTabId+"m").className="currenttab";
   getEl(currentTabId).style.display="block";
}

function getEl(id)
{
   return document.getElementById(id);
}