function update() {
  if (request.readyState == 4) {
    if (request.status == 200) {
      /* Get the response from the server */
      var response = request.responseText;
      var array = response.split("|");
      var alertNumber = array[0];
      var alertText = array[1];
      if (alertNumber == "1") {
      window.location = alertText;
      } else  {
      alert(alertText);
      document.getElementById("continue").disabled=false;
      }
     } else {
      alert("Error! Request status is " + request.status);
    }
  }
}

function process() {
   document.getElementById("continue").disabled=true;
   var item1 = document.getElementById("item1").value;
   var item2 = document.getElementById("item2").value;
   var item3 = document.getElementById("item3").value;
   var item4 = document.getElementById("item4").value;
   var item5 = document.getElementById("item5").value;
   var url = "order_do.php";
   request.open("POST", url, true);
   request.onreadystatechange = update;
   request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
   request.send("item1=" + escape(item1) + "&item2=" + escape(item2) + "&item3=" + escape(item3) + "&item4=" + escape(item4) + "&item5=" + escape(item5)); 
          
}


function process2() {
   var answer = confirm("Are you a resident of Florida? If yes, please click OK, otherwise click Cancel.")
   if (answer) {
      window.location = "checkout.php?FL=Yes";
	} else {
	  window.location = "checkout.php?FL=No";
	}
}

function update3() {
  if (request.readyState == 4) {
    if (request.status == 200) {
      /* Get the response from the server */
      var response = request.responseText;
      var array = response.split("|");
      var alertNumber = array[0];
      var alertText = array[1];
      if (alertNumber == "1") {
      window.location = alertText;
      } else  {
      alert(alertText);
      document.getElementById("continue").disabled=false;
      }
     } else {
      alert("Error! Request status is " + request.status);
    }
  }
}

function process3(florida) {
   document.getElementById("continue3").disabled=true;
   var promocode = document.getElementById("promocode").value;
   var url = "apply_promocode_do.php";
   request.open("POST", url, true);
   request.onreadystatechange = update3;
   request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
   request.send("promocode=" + escape(promocode) + "&florida=" + escape(florida)); 
          
}

function getradio(name) {
  var group = document.getElementsByName(name);
  for (i=0; i < group.length; i++) {
    if (group[i].checked == true) {
      var radiovalue = group[i].value;
    }
  }
  if (radiovalue == undefined) {
  return "";
  } else {
  return radiovalue;
  }
}

function redirect(name,destination) {
if (name == "") {
} else {
document.getElementById(name).disabled=true;
}
window.location = destination;
}