var service = new webhosting_service;
var webhostings = Array();

function init_page()
{
	
webhostings[1] = new webhosting( 1, 'Gamer BSD Lite', '50 MB of webspace on fast FreeBSD webserver<br />PHP4 and Perl scripting languages<br />MySQL database<br />750 MB of transfers per month<br />1 POP3 mailbox<br />Email forwarding (anyone@yourname.com)', 250.00, 293.80 );
webhostings[1].add_payment_term( 3, 0.10 );
webhostings[1].add_payment_term( 12, 0.00000 );

webhostings[2] = new webhosting( 2, 'Gamer BSD', '100 MB of webspace on fast FreeBSD webserver<br />PHP4 and Perl scripting languages<br />MySQL database<br />2 GB of transfers per month<br />1 POP3 mailbox<br />Registration and hosting of 1 domain name (e.g. www.yourname.com or www.yourname.co.uk)<br />Email forwarding (anyone@yourname.com)<br />Phone and email support', 999.00, 1173.80 );
webhostings[2].add_payment_term( 1, 0.00 );
webhostings[2].add_payment_term( 12, 0.17417 );

webhostings[3] = new webhosting( 3, 'Gamer BSD Elite', '250 MB of webspace on fast FreeBSD webserver<br />PHP4 and Perl scripting languages<br />MySQL database<br />5 GB of transfers per month<br />20 POP3 mailboxes<br />Registration and hosting of 1 domain name (e.g. www.yourname.com or www.yourname.co.uk)<br />E-mail forwarding (anyone@yourname.com)<br />SSL (secure transactions to server) available on request, for accepting<br />secure data/sales.<br />SSH shell access available on request<br />Phone and email support', 1999.00, 2348.80 );
webhostings[3].add_payment_term( 1, 0.00 );
webhostings[3].add_payment_term( 12, 0.17040 );

webhostings[4] = new webhosting( 4, 'Gamer Win2k', '100 MB of webspace on fast Windows webserver<br />ASP scripting language<br />MySQL database<br />2 GB of transfers per month<br />1 POP3 mailbox<br />Registration and hosting of 1 domain name (e.g. www.yourname.com or www.yourname.co.uk)<br />Email forwarding (anyone@yourname.com)<br />Phone and email support', 1499.00, 1761.30 );
webhostings[4].add_payment_term( 1, 0.00 );
webhostings[4].add_payment_term( 12, 0.17167 );

webhostings[5] = new webhosting( 5, 'Gamer Win2k Elite', '250 MB of webspace on fast Windows webserver<br />ASP scripting language<br />MySQL database<br />5 GB of transfers per month<br />20 POP3 mailboxes<br />Registration and hosting of 1 domain name (e.g. www.yourname.com or www.yourname.co.uk)<br />E-mail forwarding (anyone@yourname.com)<br />SSL (secure transactions to server) available on request, for accepting<br />secure data/sales.<br />Phone and email support', 2499.00, 2936.30 );
webhostings[5].add_payment_term( 1, 0.00 );
webhostings[5].add_payment_term( 12, 0.16967 );

	// Populate select box
	temp = Array();
	for ( j in webhostings )
	{
		temp.push( webhostings[j].name + '#:#' + j );
	}
	//temp.sort();
	
	webhosting_select = document.getElementById( "webhosting" ).options;
	j = 0;
	for ( i in temp )
	{
		data = String( temp[ i ] );
		data = data.split( "#:#" );
		temp_option = new Option( data[ 0 ], data[ 1 ], 0, 0 );
		webhosting_select[j++] = temp_option;
	}
	service.service_typeid = webhosting_select[0].value;
	
	update_service_desc();
	update_payment_terms();
	update_pricing();
} 

function update_service()
{
	// Service type
	webhosting = document.getElementById( "webhosting" )[document.getElementById( "webhosting" ).selectedIndex].value;
	service.service_typeid = webhosting;
	
	// Payment term
	payment_terms = document.getElementById( "actionForm" ).paymentterm;
	
	if ( 'undefined' != typeof( payment_terms ) )
	{
		service.payment_term = 0;
		
		if ( 'undefined' != typeof( payment_terms.length ) )
		{
			for( i = 0; i < payment_terms.length; i++ )
			{
				if ( i == 0 )
				{
					default_payment_term = payment_terms[i].value;
				}

				if ( payment_terms[i].checked )
				{
					service.payment_term = payment_terms[i].value;
				}
			}
		}
		else
		{
			default_payment_term = payment_terms.value;
		}
		
		if ( ! service.payment_term )
		{
			service.payment_term = default_payment_term;
		}
	}
}

function update_service_desc()
{
	webhosting = service.service_typeid;
	document.getElementById( "service_desc" ).innerHTML = webhostings[webhosting].description;
}

function update_payment_terms()
{
	payment_terms = document.getElementById( "actionForm" ).paymentterm;
	current_payment_term = 0;

	if ( 'undefined' != typeof( payment_terms ) )
	{
		if ( 'undefined' != typeof( payment_terms.length ) )
		{
			for( i = 0; i < payment_terms.length; i++ )
			{
				if ( payment_terms[i].checked )
				{
					current_payment_term = payment_terms[i].value;
				}
			}
		}
		else
		{
			current_payment_term = payment_terms.value;
		}
	}
	
	tdpt = document.getElementById( "td_payment_terms" );
	tdpt.innerHTML = '';
	
	webhosting = document.getElementById( "webhosting" )[document.getElementById( "webhosting" ).selectedIndex].value;
	payment_terms = webhostings[webhosting].payment_terms;
	
	if ( payment_terms.length > 0 )
	{
		cpt_exists = 0;
		def_pt = 0;
		for( i in payment_terms )
		{
			if ( def_pt == 0 )
			{
				def_pt = payment_terms[i].payment_term;
			}
			
			if ( payment_terms[i] )
			{
				cpt_exists = ( payment_terms[i].payment_term == current_payment_term ) ? 1 : cpt_exists;
			}
		}
		
		if ( cpt_exists == 0 )
		{
			current_payment_term = def_pt;
		}
		
		for( i in payment_terms )
		{
			if ( payment_terms[i] )
			{
				checked = ( payment_terms[i].payment_term == current_payment_term ) ? ' checked="checked"' : '';
				tdpt.innerHTML += '<input type="radio" name="paymentterm" value="' + payment_terms[i].payment_term + '" onclick="update_pricing();"' + checked + ' /> ' + payment_terms[i].payment_term + ' Month(s)<br />'
			}
		}
	}
}

function update_pricing()
{
	update_service();
	
	webhosting = service.service_typeid;
	webhosting = webhostings[webhosting];
	total = service.cost();
	multiplier = ( 1 - service.discount ) * service.payment_term;
	
	// update breakdown
	td_breakdown = document.getElementById( "breakdown" );
	td_breakdown.innerHTML = webhosting.name + ": &pound;" + format_currency( Math.round( service.base_cost * multiplier ) / 100 ) + "<br />";
	total = webhosting.incvat;
	
	// update running_total
	td_running_total = document.getElementById( "running_total" );
	td_running_total.innerHTML = "&pound;" + format_currency( Math.round( total * multiplier ) / 100 );
	
	// update extra_money_info
	td_extra_money_info = document.getElementById( "extra_money_info" );
	td_extra_money_info.innerHTML = "";
	if ( webhosting.payment_terms[service.payment_term].discount > 0 )
	{
		td_extra_money_info.innerHTML += "Discount: &pound;" + format_currency( Math.round( service.discount_cost ) / 100 ) + "<br />";
		td_extra_money_info.innerHTML += "Equivalent Monthly: &pound;" + format_currency( Math.round( ( total / service.payment_term * multiplier ) ) /  100 );
	}
}

function format_currency( fAmount )
{
	aAmount = fAmount.toString().split( "." );
	if ( aAmount[1] )
	{
		if ( aAmount[1].length == 1 )
		{
			aAmount[1] += "0";
		}
	} else {
		aAmount[1] = "00";
	}

	return aAmount[0] + "." + aAmount[1];
}