var lamp_price = new Array(995, 995, 895, 995);
var total_products = 0;
var discount_amount = 4;
var discount_percentage = 0.1;

calcOrder();

$('input').change(function(){
	calcOrder();
});


function calcOrder(){
	var total = 0;
	for(var i=0;i<=3;i++){
		total_products = total_products + parseInt($('#total_'+(i+1)).val());
		var subtotal = parseInt( $('#total_'+(i+1)).val() )*lamp_price[i];
		total = total + subtotal;
	}
	//alert(total);
	$('#total_order').text(Math.round(total)/100);
}

function calcDiscount(total){
	discount = total*discount_percentage;
	return discount;
}

function show_product_more(id){
	if($('#more_'+id).css('display') == 'none'){
		$('#more_plusmin_'+id).text('-');
	}else{
		$('#more_plusmin_'+id).text('+');
	}
	$('#more_'+id).toggle();
}