var isIE5=navigator.userAgent.toUpperCase().indexOf("MSIE 5")!=-1;

      var targetElementID="toend", targetElementStyleOffset=0;

      function adjustHeight() {
       if (document.getElementById) {
         var targetElement=document.getElementById(targetElementID),
           documentHeight, totalOffset;

       if (targetElement && document.documentElement.offsetHeight
         && targetElement.offsetHeight && targetElement.offsetTop) {
          documentHeight=document.documentElement.offsetHeight;
         if (targetElement.offsetHeight<documentHeight-targetElement.offsetTop) {
        if (isIE5)
          totalOffset=targetElement.offsetTop;
          else totalOffset=targetElement.offsetTop+targetElementStyleOffset;
        targetElement.style.height=String(documentHeight-totalOffset)+'px';
      }
    }
  }
}

      window.onresize=adjustHeight;
      window.onload=adjustHeight;

			
			
			

var W3CDOM = (document.getElementsByTagName && document.createElement);

window.onload = function () {
	document.forms[0].onsubmit = function ()	{
		return validate()
	}
	showPrice();
        showHousing();
}

function init ()
{
	document.forms[0].onsubmit = function () {
		return validate()
	}
	showPrice();
        showHousing();
}

function validate()
{
	validForm = true;
	firstError = null;
	errorstring = '';
	var x = document.forms[0].elements;
	var onereg = new Array("firstname", "lastname", "email", "email2", "gender", "city", "state", "country", "housing");
	//create an array of required fields, cycle through each looking for values
		for (i=0;i<onereg.length;i++)
		{
			if (!x[onereg[i]].value) writeError(x[onereg[i]],'Required Field');
		}
		if (x['email'].value.indexOf('@') == -1)
			writeError(x['email'],'Not a valid Email');
		if (x['email2'].value != x['email'].value)
		    writeError(x['email2'],'Emails do not match');
		if (x['shirta'].value && !x['shirtb'].value)
			writeError(x['shirtb'],'Size is required');
/*
		if (!x['bluespartner'].value && x['bluescontest'].checked)
			writeError(x['bluespartner'],'Name required');	
		if (!x['lindypartner'].value && x['lindycontest'].checked)
			writeError(x['lindypartner'],'Name required');	
		if (!x['fastpartner'].value && x['fastcontest'].checked)
			writeError(x['fastpartner'],'Name required');	
		if (!x['jjlevel'].value && x['jjcontest'].checked)
			writeError(x['jjlevel'],'Level required');	
		if (!x['jjleader'].value && x['jjcontest'].checked)
			writeError(x['jjleader'],'Required');	
*/
		if (!W3CDOM)
		alert(errorstring);
		if (firstError)
			firstError.focus();
		if (validForm)
			{
			document.personal.submit();
			}
		return false; // return false anyway to prevent actual form submission. Don't do this at home!
}
	
//end of validate function

function writeError(obj,message)
{
	validForm = false;
	if (obj.hasError) return;
	if (W3CDOM)
	{
		obj.className += ' error';
		obj.onchange = removeError;
		var sp = document.createElement('span');
		sp.className = 'error';
		sp.appendChild(document.createTextNode(message));
		obj.parentNode.appendChild(sp);
		obj.hasError = sp;
		showHousing();
	}
	else
	{
		errorstring += obj.name + ': ' + message + '\n';
		obj.hasError = true;
	}
	if (!firstError)
		firstError = obj;
}

function removeError()
{
	this.className = this.className.substring(0,this.className.lastIndexOf(' '));
	this.parentNode.removeChild(this.hasError);
	this.hasError = null;
	this.onchange = null;
	showHousing();
}

function showHousing()
{
   document.getElementById('guest').style.display = 'none';
   document.getElementById('host').style.display = 'none';
   if (document.forms[0].elements['housing'].value == 'need') {
       document.getElementById('guest').style.display = 'block'; 
	   }
   if (document.forms[0].elements['housing'].value == 'canhouse') {
	document.getElementById('host').style.display = 'block';
	}
}  

function showPrice()
{
   var check = 100.00;
   var paypal = 100.00;
   var shirta = document.forms[0].elements['shirta'].value;
   var payment = document.forms[0].elements['payment'].value;  
   var student = document.forms[0].elements['student'].value;   
	 
	 var shirta = document.forms[0].elements['shirta'].value;   
	 var hidden = document.forms[0].elements['shirtb'].value;   
	 var regtype = document.forms[0].elements['regtype'].value;   
	 var costb = document.forms[0].elements['costb'].value;   
	 var shirtacost = document.forms[0].elements['shirtacost'].value;   
	 var studentdiscount = document.forms[0].elements['studentdiscount'].value;   
	 var basediscount = document.forms[0].elements['basediscount'].value;   
	 var regDisc = document.forms[0].elements['regDisc'].value;   
	 
	 
   if (shirta) {if (shirta == 'T-shirt') {var shirtacost = 15; } 
     else {var shirtacost = 15; } }
	else { var shirtacost = 0; }
	
	
	
	var d = new Date();

var curr_date = d.getDate();
var curr_month = (1+d.getMonth());
var curr_year = d.getFullYear();
var regType = "allAccess";

if (curr_month < 10) {var today =(curr_year + "0" + curr_month + curr_date);}
else {var today =(curr_year + curr_month + curr_date);}


var insBirdEnd       =("20081011");
var earlyBirdEnd     =("20081108");
var oversleptBirdEnd =("20081206");
var slackerBirdEnd   =("20090106");


if (today < insBirdEnd) {
		var basediscount = 75;
		var studentdiscount = 0;
		var regDisc = "Insomnia Bird";
}

else if (today < earlyBirdEnd)  {
		var basediscount = 50;
		var studentdiscount = 25;
		var regDisc = "Early Bird";
}

else if (today < oversleptBirdEnd)  {
		var basediscount = 25;
		var studentdiscount = 25;
		var regDisc = "Overslept Bird";
}

else if (today < slackerBirdEnd)  {
		var basediscount = 0;
		var studentdiscount = 25;
		var danceOnly = 80
		var danceFri = 25
		var danceSat = 30
		var danceSun = 25
		var regDisc = "Slacker Bird";}
	
	
	
	
	
  if (student == 'no') {var studentdiscount = 0; } 
	
	var costb = 175 + shirtacost - studentdiscount - basediscount;
	
   /*
   if (document.forms[0].elements['jjcontest'].checked) { costb = costb + 5; }
   if (document.forms[0].elements['solocontest'].checked) { costb = costb + 5; }
   if (document.forms[0].elements['bluescontest'].checked) { costb = costb + 5; }
   if (document.forms[0].elements['lindycontest'].checked) { costb = costb + 5; }
   if (document.forms[0].elements['fastcontest'].checked) { costb = costb + 5; }
   */
   var costc = costb;
   document.getElementById('currenttotal').innerHTML = "Total: $"+costc ;
	 document.getElementById('shirta').innerHTML = shirta ;
	 document.getElementById('hidden').innerHTML = "<input type='hidden' id='shirtb' name='shirtb' value='" + shirtb + "' />" ;
	 document.getElementById('regtype').innerHTML = "<input type='hidden' id='regtype' name='regtype' value='" + regtype + "' />" ;
	 document.getElementById('costb').innerHTML = "<input type='hidden' id='costb' name='costb' value='" + costb + "' />" ;
	 document.getElementById('shirtacost').innerHTML = "<input type='hidden' id='shirtacost' name='shirtacost' value='" + shirtacost + "' />" ;
	 document.getElementById('studentdiscount').innerHTML = "<input type='hidden' id='studentdiscount' name='studentdiscount' value='" + studentdiscount + "' />" ;
	 document.getElementById('basediscount').innerHTML = "<input type='hidden' id='basediscount' name='basediscount' value='" + basediscount + "' />" ;
	 document.getElementById('regDisc').innerHTML = "<input type='hidden' id='regDisc' name='regDisc' value='" + regDisc + "' />" ;
}