var expDate = new Date();
expDate.setTime(expDate.getTime()+365*24*60*60*1000); // one year

function setCookie(isName,isValue,dExpires){    
  document.cookie = isName+"="+isValue+";expires="+dExpires.toGMTString()+";path=/";
}
        
function getCookie(isName){    
  cookieStr = document.cookie;
  startSlice = cookieStr.indexOf(isName+"=");
  if (startSlice == -1){return false}
  endSlice = cookieStr.indexOf(";",startSlice+1)
  if (endSlice == -1){endSlice = cookieStr.length}
  isData = cookieStr.substring(startSlice,endSlice)
  isValue = isData.substring(isData.indexOf("=")+1,isData.length);
  return isValue;
}

function aaa(){
alert("hola");
}