function checkMax3PerDay(){
    formOk = true;
    var Friday = new Array();
    var Saturday = new Array();
    var Sunday = new Array();

    allInputs = document.getElementsByTagName("input");
    for (input in allInputs ){
      if (allInputs[input].type == "checkbox"){
	if (allInputs[input].checked){
	  if(allInputs[input].title == "Friday"){
	    if (isNaN(Friday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")])){
	      Friday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")] = 1;
	    } else {
	      Friday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")]++;
	    }
	  } else if (allInputs[input].title == "Saturday") {
	    if (isNaN(Saturday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")])){
	      Saturday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")] = 1;
	    } else {
	      Saturday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")]++;
	    }
	  } else if (allInputs[input].title == "Sunday") {
	    if (isNaN(Sunday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")])){
	      Sunday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")] = 1;
	    } else {
	      Sunday[allInputs[input].name.replace(/.*?\[(.*?)\].*/g, "$1")]++;
	    }
	  }
	} else {
	  allInputs[input].style.background = "#FFCCCC";
      }
    }
  }
  for (child in Friday ){
    if (Friday[child] > 3){
      /* alert("max of 3 sports per day, you are in " + Friday[child]); */
      formOk = false;
    }
  }
  for (child in Saturday ){
    if (Saturday[child] > 3){
      /* alert("max of 3 sports per day, you are in " + Saturday[child]); */
      formOk = false;
    }
  }
  for (child in Sunday ){
    if (Sunday[child] > 3){
      /* alert("max of 3 sports per day, you are in " + Sunday[child]); */
      formOk = false;
    }
  }
    return(formOk);
 }

function checkDataPresent(){
  underMax = checkMax3PerDay();
  formOk = true;
  someoneChecked = false;
  allInputs = document.getElementsByTagName("input");
  for (input in allInputs ){
    if (allInputs[input].type == "text" && allInputs[input].title != "code" ){
      if (allInputs[input].value == ""){
	formOk = false;
	allInputs[input].style.background = "#FFCCCC";
      } else {
	allInputs[input].style.background = "#FFFFFF";
      }
    }
    if (allInputs[input].type == "checkbox"){
      if (allInputs[input].checked){
	someoneChecked = true;
      } else {
	allInputs[input].style.background = "#FFCCCC";
      }
    }
  }
  if ((formOk == false) || (someoneChecked == false) || (underMax == false)){
    errMsg = "";
    if (formOk == false){ errMsg = errMsg + "You must provide a first and last name for each participant.";}
    if (someoneChecked == false){ errMsg = errMsg + "\nYou must register at least one child for at least one activity using the checkboxes";}
    if (underMax == false){ errMsg = errMsg + "\nYou may only register for 3 activities Per Child Per Day";}
    alert(errMsg);
    return(false);
  } else {
    return(true);
  }
}



function addChild(root,childId){
  var oTr=root.appendChild(document.createElement("tr"));
  oTr.vAlign = "top";
  oTr.id = childId+"row";
  //  var oTd=oTr.appendChild(document.createElement("td"));
  //  var oB=oTd.appendChild(document.createElement("b"));
  //  var oText = oB.appendChild (document.createTextNode("Child"));
  var oTd=oTr.appendChild(document.createElement("td"));
  var oInput=oTd.appendChild(document.createElement("input"));
  oInput.type = "text";
  with(oInput){
    name="child["+childId+"][firstname]";
  }
  var oTd=oTr.appendChild(document.createElement("td"));
  var oInput=oTd.appendChild(document.createElement("input"));
  oInput.type = "text";
  with(oInput){
    name="child["+childId+"][lastname]";
  }
  var cell = document.createElement("td");
  var selectTd=oTr.appendChild(cell);
  var selectText = cell.appendChild (document.createTextNode(""));

  addActivity(selectTd, childId, 1);
  var oTd=oTr.appendChild(document.createElement("td"));
  var oText = oTd.appendChild (document.createTextNode(document.getElementById("price_text").innerHTML));

  var oTd=oTr.appendChild(document.createElement("td"));
  var oA=oTd.appendChild(document.createElement("a"));
  oA.onclick = function() {removeChild(childId);};
  var oText = oA.appendChild (document.createTextNode("remove"));
}

function removeChild(childId){
  document.getElementById("regTableBody").removeChild(document.getElementById(childId+"row"));
};
function addAdult(root,adultId){
  var oTr=root.appendChild(document.createElement("tr"));
  var oTd=oTr.appendChild(document.createElement("td"));
  var oB=oTd.appendChild (document.createTextNode("Adult"));
  var oTd=oTr.appendChild(document.createElement("td"));
  var oInput=oTd.appendChild(document.createElement("input"));
  oInput.type = "text";
  with(oInput){
    name="adult["+adultId+"][firstname]";
  }
  var oTd=oTr.appendChild(document.createElement("td"));
  var oInput=oTd.appendChild(document.createElement("input"));
  oInput.type="text";
  with(oInput){
    name="adult["+adultId+"][lastname]";
  }
  var selectTd=oTr.appendChild(document.createElement("td"));
  var selectText = selectTd.appendChild (document.createTextNode("N/A"));
  var oTd=oTr.appendChild(document.createElement("td"));
  var oText = oTd.appendChild (document.createTextNode("Free"));
}



function addActivity(sender,childId,activityId){
  //root = sender.parentNode;
  root = sender;
  activityId++;
  sender.onchange= "";
  var activities = new Array();
  var actDayTime = new Array();
  var actDay = new Array();
  var actExtraCost = new Array();
    if ( activities.length == 0){
    var oText = root.appendChild (document.createTextNode("You have No Activities in your Shopping Cart"));
    var oBr=root.appendChild(document.createElement("BR"));
  };
	
  for(itr in activities){
    var ckbox = document.createElement("input");
    ckbox.type = "checkbox";
    with(ckbox){ 
      name="child["+childId+"]["+itr+"]";
      title=actDay[itr];
    }
    var oOPTION=root.appendChild(ckbox);
    var oText = root.appendChild (document.createTextNode(activities[itr]));
    var oBr=root.appendChild(document.createElement("BR"));
    var oSpan = root.appendChild (document.createElement("SPAN"));
    oSpan.style.fontSize="75%";
    var oText = oSpan.appendChild (document.createTextNode(actDayTime[itr]));
    var oText = oSpan.appendChild (document.createTextNode(actExtraCost[itr]));
    var oBr=root.appendChild(document.createElement("BR"));
  }

}