var a=new Date()

function wrtdate() {

   var offset=0
   if (a.getYear()<2000) {
      offset=1900
   }

   document.write((a.getYear()+offset))

}

function wrtyr() {

   var offset=0

   if (a.getYear()<2000) {
      offset=1900
   }

   document.write((a.getYear()+offset))

}