/* I actually hate JavaScript */

var ids=new Array('a1','a2');
function switchid(id){ hideallids(); showdiv(id); }
function hideallids(){ for (var i=0; i<ids.length; i++ ){ hidediv(ids[i]); } }
function hidediv(id) { if (document.getElementById) { document.getElementById(id).style.display = 'none'; } else { if (document.layers) { document.id.display = 'none'; } else { document.all.id.style.display = 'none'; } } }
function showdiv(id) { if (document.getElementById) { document.getElementById(id).style.display = 'block'; } else { if (document.layers) { document.id.display = 'block'; } else { document.all.id.style.display = 'block'; } } }
function switchidb(idb){ hideallidsb(); showdivb(idb); }
function hideallidsb(){ for ( var i=0; i<idsb.length; i++ ){ hidedivb(idsb[i]); } }
function hidedivb(idb) { if (document.getElementById) { document.getElementById(idb).style.display = 'none'; } else { if (document.layers) { document.id.display = 'none'; } else { document.all.id.style.display = 'none'; } } }
function showdivb(idb) { if (document.getElementById) { document.getElementById(idb).style.display = 'block'; } else { if (document.layers) { document.id.display = 'block'; } else { document.all.id.style.display = 'block'; } } }