// JavaScript Document
var jackpot_mm = ;
var cash_prize_mm = 0;
var jackpot_pb = ;
var cash_prize_pb = ;
var mm_multiplier = ;
var pb_multiplier = ;

function populate_megamillions()
{
	var odds = Array(8);
	odds[0] = 3904701;
	odds[1] = 689065;
	odds[2] = 15313;
	odds[3] = 13781;
	odds[4] = 844;
	odds[5] = 306;
	odds[6] = 141;
	odds[7] = 75;

	var prizes = Array(8);
	prizes[0] = 250000;
	prizes[1] = 10000;
	prizes[2] = 150;
	prizes[3] = 150;
	prizes[4] = 10;
	prizes[5] = 7;
	prizes[6] = 3;
	prizes[7] = 2;

	var otherprizes = document.getElementById('otherprizes').getElementsByTagName('input');
	while( otherprizes.length < 17 )
	{
		add_prize_rows();
		otherprizes = document.getElementById('otherprizes').getElementsByTagName('input');
	}
	for(var i=0; i<prizes.length; i++)
	{
		otherprizes[2*i+1].value = odds[i];
		otherprizes[2*i+2].value = prizes[i];
	}
	for(var i=17; i<otherprizes.length; i++)
	{
		otherprizes[i].value='';
	}
	document.getElementById('jackpot_odds').value = 175.711536;
	var x = 0;
	if(document.getElementById('cash_prize').value == '')
	{
	x = jackpot_mm;
	document.getElementById('cash_prize').value=cash_prize_mm;
	}
	else if(document.getElementById('cash_prize').value.match(/^[0-9]+(\.[0-9]+)?/))
	{
		x = document.getElementById('cash_prize').value * mm_multiplier;
	}
	if(x)
	{
		var tkts = 0.0013*x*x - 0.0169*x +17.103;
		document.getElementById('num_tickets').value = Math.round(tkts);
	}
}
function populate_powerball()
{
	var odds = Array(8);
	odds[0] = 3563608.83;
	odds[1] = 584431.85;
	odds[2] = 14254.44;
	odds[3] = 11927.18;
	odds[4] = 745.45;
	odds[5] = 290.91;
	odds[6] = 126.88;
	odds[7] = 68.96;

	var prizes = Array(8);
	prizes[0] = 200000;
	prizes[1] = 10000;
	prizes[2] = 100;
	prizes[3] = 100;
	prizes[4] = 7;
	prizes[5] = 7;
	prizes[6] = 4;
	prizes[7] = 3;

	var otherprizes = document.getElementById('otherprizes').getElementsByTagName('input');
	while( otherprizes.length < 17 )
	{
		add_prize_rows();
		otherprizes = document.getElementById('otherprizes').getElementsByTagName('input');
	}
	for(var i=0; i<prizes.length; i++)
	{
		otherprizes[2*i+1].value = odds[i];
		otherprizes[2*i+2].value = prizes[i];
	}
	for(var i=17; i<otherprizes.length; i++)
	{
		otherprizes[i].value='';
	}
	document.getElementById('jackpot_odds').value = 146.107962;

	var x = 0;
	if(document.getElementById('cash_prize').value == '')
	{
	x = jackpot_pb;
	document.getElementById('cash_prize').value=cash_prize_pb;
	}
	else if(document.getElementById('cash_prize').value.match(/^[0-9]+(\.[0-9]+)?/))
	{
		x = document.getElementById('cash_prize').value * pb_multiplier;
	}
	if(x)
	{
		var tkts = 0.0008*x*x - 0.0074*x +14.453;
		document.getElementById('num_tickets').value = Math.round(tkts);
	}
}
function add_prize_rows()
{
	var row = document.createElement('tr');
	var td1 = document.createElement('td');
	td1.align="right";
	var prompt1 = document.createTextNode('Odds, 1:');
	var input1 = document.createElement('input');
	input1.type='text';
	input1.size=7;
	input1.name='otherprize_odds[]';
	var td2 = document.createElement('td');
	td2.align="right";
	var prompt2 = document.createTextNode('Prize: $');
	var input2 = document.createElement('input');
	input2.type='text';
	input2.size=7;
	input2.name='otherprize_values[]';
	td1.appendChild(prompt1);
	td1.appendChild(input1);
	td2.appendChild(prompt2);
	td2.appendChild(input2);
	row.appendChild(td1);
	row.appendChild(td2);
	var table = document.getElementById('otherprizes');
	table.appendChild(row);
}

var xmlHttp

function getValue()
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="/lotto/ticketvalue.php"
xmlHttp.onreadystatechange=stateChanged
xmlHttp.open("GET",url+recreatePostHeader('ticket_form'),true)
xmlHttp.send(null);
}

function stateChanged()
{
 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
 document.getElementById("ticket_value").
 value=xmlHttp.responseText;
 }
}

function recreatePostHeader(form_id)
{
	var form = document.getElementById(form_id);
	var inputs = form.getElementsByTagName('input');
	var selects = form.getElementsByTagName('select');
	var header = '';
	for(var i =0; i < inputs.length; i++)
	{
		switch(inputs[i].type)
		{
			case 'checkbox':
				if(inputs[i].checked) header += '&'+inputs[i].name+'='+inputs[i].value.replace(/\s/g,'+');
				break;
			case 'hidden':
			case 'text':
			default:
				if(inputs[i].value != '' && inputs[i].name != '') header += '&'+inputs[i].name+'='+inputs[i].value.replace(/\s/g,'+');
		}
	}
	for(var i=0; i < selects.length; i++)
	{
		var selected = selects[i].options[selects[i].selectedIndex];
		header += '&'+selects[i].name+'='+selected.value.replace(/\s/g,'+');
	}
	return header.replace(/^&/,'?');
}

function GetXmlHttpObject()
{
var objXMLHttp=null
if (window.XMLHttpRequest)
 {
 objXMLHttp=new XMLHttpRequest()
 }
else if (window.ActiveXObject)
 {
 objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
 }
return objXMLHttp
}