// PAYPAL PAYMENT AMOUNT HANDLER

function Dollar (val) {  // force to valid dollar amount
var str,pos,rnd=0;
  if (val < 0.995) {rnd = 1;}  // for old Netscape browsers
  
  str = escape (val*1.0 + 0.005001 + rnd);  // float, round, escape
  pos = str.indexOf (".");
  if (pos > 0) {str = str.substring (rnd, pos + 3);}
  return str;
}

function ReadForm (obj1, tst) { // process radio and checkbox
var i,j,amt=0,des="",obj,pos,val,tok,tag,
  op1a="",op1b="",op2a="",op2b="",itmn="";
var ary = new Array();
  if (obj1.baseamt) {amt  = obj1.baseamt.value*1.0;}  // base amount
  if (obj1.basedes) {des  = obj1.basedes.value;}  // base description
  if (obj1.baseon0) {op1a = obj1.baseon0.value;}  // base options
  if (obj1.baseos0) {op1b = obj1.baseos0.value;}
  if (obj1.baseon1) {op2a = obj1.baseon1.value;}
  if (obj1.baseos1) {op2b = obj1.baseos1.value;}
  if (obj1.baseitn) {itmn = obj1.baseitn.value;}
  for (i=0; i<obj1.length; i++) {  // run entire form
    obj = obj1.elements[i];        // a form element
    if (obj.type == "checkbox" ||  // checkboxes
        obj.type == "radio") {     //  and radios
      if (obj.checked) {           // did user check it?
        val = obj.value;           // the value of the selection
        ary = val.split (" ");          // break apart
        for (j=0; j<ary.length; j++) {  // look at all items
// first we do single character tokens...
          if (ary[j].length < 2) {continue;}
          tok = ary[j].substring (0,1); // first character
          val = ary[j].substring (1);   // get data
          if (tok == "@") {amt = val * 1.0;}
          if (tok == "+") {amt = amt + val*1.0;}
          if (tok == "%") {amt = amt + (amt * val/100.0);}
          if (tok == "#") {             // record item number
            if (obj1.item_number) {obj1.item_number.value = val;}
          ary[j] = "";                // zap this array element
          }
// Now we do 3-character tokens...
          if (ary[j].length < 4) {continue;}
          tok = ary[j].substring (0,3); // first 3 chars
          val = ary[j].substring (3);   // get data
          if (tok == "s1=") {           // value for shipping
            if (obj1.shipping)  {obj1.shipping.value  = val;}
            ary[j] = "";                // clear it out
          }
          if (tok == "s2=") {           // value for shipping2
            if (obj1.shipping2) {obj1.shipping2.value = val;}
            ary[j] = "";                // clear it out
          }
        }
        val = ary.join (" ");           // rebuild val with what's left

        tag = obj.name.substring (obj.name.length-2);  // get flag
        if      (tag == "1a") {op1a = op1a + " " + val;}
        else if (tag == "1b") {op1b = op1b + " " + val;}
        else if (tag == "2a") {op2a = op2a + " " + val;}
        else if (tag == "2b") {op2b = op2b + " " + val;}
        else if (tag == "3i") {itmn = itmn + " " + val;}
        else if (des.length === 0) {des = val;}
        else {des = des + ", " + val;}
      }
    }
  }
// Now summarize stuff we just processed, above
  if (op1a.length > 0) {obj1.on0.value = op1a;}
  if (op1b.length > 0) {obj1.os0.value = op1b;}
  if (op2a.length > 0) {obj1.on1.value = op2a;}
  if (op2b.length > 0) {obj1.os1.value = op2b;}
  if (itmn.length > 0) {obj1.item_number.value = itmn;}
  obj1.item_name.value = des;
  obj1.amount.value = Dollar (amt);
  if (obj1.tot) {obj1.tot.value = "$" + Dollar (amt);}
  if (obj1.gstamt) {obj1.gstamt.value = "$" + Dollar (amt * 0.05);}
  if (obj1.tot_gst) {obj1.tot_gst.value = "$" + Dollar (amt * 1.05);}
}

//MULTIPLE SUBMIT BUTTONS HANDLER
function OnButton1()
{
	document.registration.action = "register.pg2.php";
	document.registration.enctype="application/x-www-form-urlencoded";
	document.registration.submit();			// Submit the page
	return true;
}

function OnButton_pg2A()
{
	document.register_pg2.action = "register.completeA.php";
	document.register_pg2.enctype="application/x-www-form-urlencoded";
	document.register_pg2.submit();			// Submit the page
	return true;
}

function OnButton_pg2B()
{
	document.register_pg2.action = "register.completeB.php";
	document.register_pg2.enctype="application/x-www-form-urlencoded";
	document.register_pg2.submit();			// Submit the page
	return true;

}


function pg3()
{
	document.register_pg3.action="https://www.paypal.com/cgi-bin/webscr";
	document.register_pg3.onsubmit="this.target='paypal';";
	/* return ReadForm(this, true); */
	document.register_pg3.submit();			// Submit the page

	return true;
}







//SYSTEM EXTENDED FOR MEMBER AND STUDENT DISCOUNTS



var mem_token = false;
var newmem_token = false;
var student_token = false;

function process_checkbox(form1){
var student_token = false;

if ( ( (mem_token || newmem_token) && !student_token ) || ( !(mem_token || newmem_token) && student_token ) )

 {
document.getElementById('workshop1').value = "General Registration +125.00";
document.getElementById('workshop_text1').innerHTML = "<strong>General Registration:</strong> $125.00.";
}

else if ((mem_token || newmem_token) && student_token)
{
document.getElementById('workshop1').value = "General Registration +125.00";
document.getElementById('workshop_text1').innerHTML = "<strong>General Registration:</strong> $125.00.";
}

else
{
document.getElementById('workshop1').value = "General Registration +135.00";
document.getElementById('workshop_text1').innerHTML = "<strong>General Registration:</strong> $135.00.";
}

ReadForm (form1, false);
}


function ismem(form2, checked){
	if (checked === true) {
		mem_token = true;
	}
	else {mem_token = false;}
	ReadForm(form2, false);
	process_checkbox(form2);
}

function newmem(form2, checked){
	if (checked === true) {
		newmem_token = true;
		document.getElementById('new_member').value = "New Member +28.57";
	}
	else { newmem_token = false;}
	ReadForm(form2, false);
	process_checkbox(form2);
}