var	selects = new Array;

var	combinaisons = new Array;

var quantities = new Array;

var prices = new Array;

var ecotaxes = new Array;

var images = new Array;

var attr_price = new Number(0);

var product_price = new Number;

var attr_ecotax = new Number(0);

var img_prod_dir = new String;

var id_product = new Number;

var	oosp = new Number;

var last_qties = new Number;

var total_qties = new Number;



function	addSelect(id_attribute_group, group_name)

{

	selects[id_attribute_group] = group_name;

}



function writeQuantity()

{

	if (typeof(nbpiece) != 'undefined' && (nbpiece > 0 || oosp == 1))

	{

    	getE('add_to_cart').style.display = 'block';

   		getE('last_qties').style.display = ((nbpiece < last_qties && (nbpiece > 0 && oosp != 1)) ? 'block' : 'none');

		checkQty();

	}

	else

	{

	    getE('add_to_cart').style.display = 'none';

	}

}



function writeAvailability()

{

	if (getE('qtyav'))

	{

		getE('qtyav').innerHTML = (typeof(availabilityMessage) != 'undefined' ? availabilityMessage : '');

		if (typeof(nbpiece) != 'undefined' && (nbpiece > 0 || oosp == 1))

		{

			if (displayQties)

				getE('qtyav').innerHTML += (getE('qtyav').innerHTML != '' ? '<br />' : '') + nbpiece + ' ' + (nbpiece > 1 ? pieces : piece);

		}

		else if (typeof(nbpiece) != 'undefined' && (nbpiece == 0 && oosp == 0))

		{

	        getE('qtyav').innerHTML = (typeof(availabilityMessage) != 'undefined' ? availabilityMessage : outofstock);

		}

		else if (noAttribut == 0)

		{

			getE('qtyav').innerHTML = ' ' + doesntexist + (total_qties ? ' ' + doesntexist_but : '');

		}

		toggle(getE('divqtyav'), (getE('qtyav').innerHTML != ''));

 	}

 	writeQuantity();

}



function	checkQty()

{

	if (getE('qty').value != '' && getE('qty').value <= 0)

   		getE('qty').value = 1;

	else if (getE('qty').value > nbpiece && oosp == 0)

		getE('qty').value = nbpiece;

}



function    updatePrice()

{

	var tax = (taxRate / 100) + 1;

	var attribut_price = attr_price;

	if (no_tax > 0)

		attribut_price /= tax;

    var priceProductWR = (attribut_price + product_price_without_reduct) * currency_rate;

    var priceReduct = priceProductWR / 100 * parseInt(reduction_percent) + reduction_price;

    var priceProduct = priceProductWR - priceReduct;

    var priceProductHT = (priceProductWR - priceReduct) / tax;



    getE('price').innerHTML = (typeof(priceText) != 'undefined' ? priceText + ' ' : '') + (currency_format == 1 ? currency_sign + ' ' : '') + (priceProduct).toFixed(2) + (currency_format == 2 ? ' ' + currency_sign : '');

    if (getE('pretax-price'))

		getE('pretax-price').innerHTML = (typeof(priceText) != 'undefined' ? priceText + ' ' : '') + (currency_format == 1 ? currency_sign + ' ' : '') + (priceProductHT).toFixed(2) + (currency_format == 2 ? ' ' + currency_sign : '');

    if (getE('price_without_reduct'))

        getE('price_without_reduct').innerHTML = (currency_format == 1 ? currency_sign + ' ' : '') + (priceProductWR).toFixed(2) + (currency_format == 2 ? ' ' + currency_sign : '');

}



function	updateEcotax()

{

	if (attr_ecotax != 0)

		getE('ecotax').innerHTML = '&eacute;co-participation : ' + (attr_ecotax * currency_rate) + ' ' + currency_sign;

	else

		getE('ecotax').innerHTML = '';

}



function	addCombinaison(id_product_attribute, attributes, quantity, price, ecotax, id_image)

{

	quantities[id_product_attribute] = quantity;

	total_qties += quantity;

	combinaisons[id_product_attribute] = attributes;

	prices[id_product_attribute] = price;

	ecotaxes[id_product_attribute] = ecotax;

	images[id_product_attribute] = id_image;

}



function	in_array(val, arr)

{

	for (var i in arr)

		if (arr[i] == val)

    		return true;

	return false;    	

}



function	findCombinaison()

{

	var currentComb;

	var nbOk = new Number(0);

	var choices = new Array;

	var link = new String();

	

	/* first is true when called for first time */

	

	for (keyVar in selects)

	{

	   current = selects[keyVar];

	   choices.push(eval(getE(current).value));

	}



	for (keyComb in combinaisons)

	{

		for (id_attribute in combinaisons[keyComb])

		{

			if (in_array(combinaisons[keyComb][id_attribute], choices))

				nbOk++;

		}



		if (nbOk == combinaisons[keyComb].length)

		{

			getE('id_product_attribute').value = keyComb;

			nbpiece = quantities[keyComb];

		    writeAvailability();

			attr_price = prices[keyComb];

			updatePrice();

			attr_ecotax = ecotaxes[keyComb];

			updateEcotax();



			if (images[keyComb] && images[keyComb] != -1)

			{

			 	link = img_prod_dir + id_product + '-' + images[keyComb] + '-large.jpg';

				getE('bigpic').src = link;

				onClickImage(images[keyComb], '', link);

			}

			

			return;

		}

		

		nbOk = 0;

	}

	nbpiece = -1;

	writeAvailability();

	return;

}



function getE(name)

{

	if (document.getElementById)

		var elem = document.getElementById(name);

	else if (document.all)

		var elem = document.all[name];

	else if (document.layers)

		var elem = document.layers[name];

	return elem;

}

