function validateOptin(formField) {
   if(formField.value.match(/^[a-z_0-9\.\-]+@[a-z_0-9\.\-]+\.[a-z]/i)) {
     return true;
   } else {
     document.getElementById('opt-in').getElementsByTagName('span')[1].style.display = 'block';
     return false;
   }
}
function showSF(val) { var o = csspObj('fRoll'); o.moveTo(505,val); csspObj('fRoll').setProperty('visibility','visible'); }
function hideSF() { csspObj('fRoll').setProperty('visibility','hidden'); }

var pnpath = '/media/images/main/home_persistentnav_';
var pnav = [];
for(var i=0;i<4;i++){
pnav[i] = new Image();
pnav[i].src = pnpath+i+"_1.gif";
}