store = new Object;
store.forms = new Object;
store.forms.prod = new Object;

store.forms.prod.init = function() {
	this.opts = $('*[name^=opt_]');
	this.opts.bind("change", this, this.update)
	this.price = $('#price');
	this.update({data:this})
}
store.forms.prod.update = function(e) {
	var price = 0;
	e.data.opts.each(function(ele) {
		price += parseInt($(this).val())	
	});
    if (price > 0) {
		e.data.price.text('$' + price.toFixed(2));
	} else {
		e.data.price.text('');
	}
}

$(document).ready(function(){
  store.forms.prod.init();
  
});

$(document).ready(function(){
  $('#paypal_checkout').bind('click', function(e) {
  	$('#paypal_form').submit();
  });
});