function expand(curobj,show) {
	
	obj = document.getElementById(curobj);
	
	if (show == true) {
	    obj.style.display="";
	} else {
		obj.style.display="none";
	}
}

function updateProducts() 
{
	var overzicht 	=	document.getElementById('overzicht');
	var amount		=	document.getElementById('am').value;
	var prodname	=	'';
	var color		=	'';
	var price		=	0;
	var accessoiresPrice = 0;
	var code		=	'';
	
	if (document.getElementById('prod1').checked == true)
	{
		prodname = "Aquablu Koud/kamer temperatuur<br />(incl. koolstof filter)";	
		price	=	799;		
	}
	else if (document.getElementById('prod2').checked == true) 
	{
		prodname = "Aquablu Koud/kamer/heet temperatuur<br />(incl. koolstof filter)";	
		price	=	875;
	}
	else if (document.getElementById('prod3').checked == true) 
	{
		prodname = "Aquablu Koud/kamer temperatuur<br />(incl. Osmose filter)";	
		price	=	1140;
	}
	else if (document.getElementById('prod4').checked == true) 
	{
		prodname = "Aquablu Koud/kamer/heet temperatuur<br />(incl. Osmose filter)";	
		price	=	1550;
	}

	if (document.getElementById('color1').checked == true)
	{
		color = "Zilver";	
	}
	else if (document.getElementById('color2').checked == true) 
	{
		color = "Blauw";	
	}
	else if (document.getElementById('color3').checked == true) 
	{
		color = "Zwart";	
	}
	
	code = "<h2>Uw bestelling:</h2>";
	
	code += '<table border="0" cellspacing="0" cellpadding="5" width="100%">';
	code += '<tr>';
	code += '<td><strong>' + amount + 'x</strong></td>';
	code += '<td><strong>' + prodname + '</strong></td>';
	code += '<td><strong>' + color + '</strong></td>';
	code += '<td align="right"><strong>&euro;' + amount*price + '.00</strong></td>';
	code += '</tr>';

	if (document.getElementById('accesoires1').checked == true)
	{
		accessoiresPrice = 158;
		code += '<tr>';
		code += '<td><strong>' + amount + 'x</strong></td>';
		code += '<td colspan="2"><strong>Onderkast/Standaard</strong></td>';
		code += '<td align="right"><strong>&euro;' + amount*accessoiresPrice + '.00</strong></td>';
		code += '</tr>';
	}

	totalPrice = (price+accessoiresPrice)*amount;

	code += '<tr>';
	code += '<td><h2>totaal:</h2></td>';
	code += '<td colspan="2">&nbsp;</td>';
	code += '<td align="right"><h2>&euro;' + totalPrice + '.00</h2></td>';
	code += '</tr>';
	code += '<tr>';
	code += '<td>&nbsp;</td>';
	code += '<td colspan="2">Onderhoudscontract:<br />1x per jaar nieuw filter<br />2x per jaar onderhoud</td>';
	code += '<td align="right">&euro; 158.00<br />per jaar</td>';
	code += '</tr>';			
	code += '</table>';

	overzicht.innerHTML = code;

}

function updateRentProducts() 
{
	var overzicht 	=	document.getElementById('overzicht');
	var amount		=	document.getElementById('am').value;
	var prodname	=	'';
	var color		=	'';
	var price		=	0;
	var accessoiresPrice = 0;
	var code		=	'';
	
	if (document.getElementById('prod1').checked == true)
	{
		prodname = "Aquablu Koud/kamer temperatuur<br />(incl. koolstof filter)";	
		
		if (document.getElementById('choice1').checked == true)
		{
			price = 38.95;
		}
		else if (document.getElementById('choice2').checked == true)
		{
			price = 33.95;
		} 
		else if (document.getElementById('choice3').checked == true)
		{
			price = 31.95;
		}		
		else if (document.getElementById('choice4').checked == true)
		{
			price = 29.95;
		}		
	}
	else if (document.getElementById('prod2').checked == true) 
	{
		prodname = "Aquablu Koud/kamer/heet temperatuur<br />(incl. koolstof filter)";	

		if (document.getElementById('choice1').checked == true)
		{
			price = 41.95;
		}
		else if (document.getElementById('choice2').checked == true)
		{
			price = 37.95;
		} 
		else if (document.getElementById('choice3').checked == true)
		{
			price = 35.95;
		}		
		else if (document.getElementById('choice4').checked == true)
		{
			price = 33.50;
		}

	}

	if (document.getElementById('color1').checked == true)
	{
		color = "Zilver";	
	}
	else if (document.getElementById('color2').checked == true) 
	{
		color = "Blauw";	
	}
	else if (document.getElementById('color3').checked == true) 
	{
		color = "Zwart";	
	}
	
	code = "<h2>Uw bestelling:</h2>";
	
	code += '<table border="0" cellspacing="0" cellpadding="5" width="100%">';
	code += '<tr>';
	code += '<td><strong>' + amount + 'x</strong></td>';
	code += '<td><strong>' + prodname + '</strong></td>';
	code += '<td><strong>' + color + '</strong></td>';
	code += '<td align="right"><strong>&euro;' + zerofill(Math.round(amount*price*100)/100,2) + ' p/mnd</strong></td>';
	code += '</tr>';

	totalPrice = (price+accessoiresPrice)*amount;

	code += '<tr>';
	code += '<td><h2>totaal:</h2></td>';
	code += '<td colspan="2">&nbsp;</td>';
	code += '<td align="right"><h2>&euro;' + zerofill(Math.round(totalPrice*100)/100,2) + ' p/mnd</h2></td>';
	code += '</tr>';
	code += '</table>';

	overzicht.innerHTML = code;

}


function zerofill(number, rlength) {
	if (rlength == undefined) {
		rlength = 2;
	}

	number	= "" + number;
	var i	= number.indexOf(".") + 1;

	if (i == 0) {
		number += ".00";
	} else {
		while (number.length - i < rlength) {
			number += "0";
		}
	}

	return number;
}