function popUp(pg)
{
   window.open(pg,'my_window','width=400,height=320,top=0,left=0,menubar=no,scrollbars=no');
}

function toggleSurvey(q, r){
  document.getElementById(q + "y").style.display = "none";
  document.getElementById(q + "n").style.display = "none";
 
  if(r === "y"){
   document.getElementById(q + "y").style.display = "";
  }else{
   document.getElementById(q + "n").style.display = "";
  }
}

function update(id) {
	var qnty = document.getElementById("item_" + id).value;
	document.getElementById("item_id").value = id;
	document.getElementById("quantity").value = qnty;
	document.update.submit();
}