function openwindow(x,y) {
      if (y==1){
      window.open(x,"mywindow","location=1,status=1,scrollbars=1,width=800,height=600");
      }
      else {
      window.open(x,"mywindow","location=1,status=1,scrollbars=1,width=400,height=300");
      }
   }