function enlarge(img,desc) {
	if (desc==null) {desc="";}
	oDesc=getObj("descripcion");
	oLarge=getObj("large");
	if (oLarge!=null) {oLarge.src=IMGS_PRODUCTOS+img;}
	if (oDesc!=null) {oDesc.innerHTML=desc;}
}

function check_order(obj,id,stock) {
	form=obj.form;
	return check_cant(form,id,stock);
}

function check_cant(form,id,stock) {

	objcant=eval("form.cantidad_"+id)
	oncart=Get_Cant(id);

	cant=objcant.value;
	cant=parseInt(cant);

	if (!isNaN(cant) && cant>=0) {

		objcant.value=cant;

		if ((cant+oncart)>stock) {
			if (oncart>0) {
				alert("You have "+oncart+" items of this product in cart.\nWe have only "+stock+" available, please change the quantity.");
			} else {
				alert("We have only "+stock+" available, please change the quantity.");
			}
			objcant.focus();
			return false;
		} else {
			form.cantidad.value=cant;
			form.id.value=id;
			return true;
		}
	} else {
		alert("Wrong Quantity");
		objcant.focus();
		return false;
	}

}

function Get_Cant(id) {

	for (i=0;i<cart.length;i=i+1) {
		if (cart[i]==id) {
			return cart[i+1];
		}
	}

	return 0;
}

function make_order(url) {

	form=getObj("result");

	if (form.pais.value=="") {alert("Please select your country, to calculate the shipping");return false;}
	return check_cart(url);

}

function check_cart(url) {

	form=getObj("result");

	cants=form.cantidad;

	if (cants.value!=null) {

		cant=parseInt(cants.value);
		stock=parseInt(form.stock.value);

		if (!isNaN(cant) && cant>=0) {
			cants.value=cant;
			if (cant>stock) {
				alert("Only "+stock+" available, please change the quantity.");
				cants.focus();
				return false;
			}
		} else {
			alert("Wrong Quantity");
			cants.focus();
			return false;
		}

	} else {
		for (i=0;i<cants.length;i++) {

			objcant=cants[i];

			cant=objcant.value;
			cant=parseInt(cant);
			stock=parseInt(form.stock[i].value);

			if (!isNaN(cant) && cant>=0) {
				objcant.value=cant;
				if (cant>stock) {
					alert("Only "+stock+" available, please change the quantity.");
					objcant.focus();
					return false;
				}
			} else {
				alert("Wrong Quantity");
				objcant.focus();
				return false;
			}

		}
	}

	form.action=url;
	form.submit();

}

function remove_cart(ind_text) {

	if (confirm('¿ Do you want remove this product ?')) {

		form=getObj("result");

		cants=form.cantidad;

		if (cants.value!=null) {
			cants.value=0;
		} else {
			cants[ind_text].value=0;
		}
		form.submit();
	}

}

function cancel_enter() {
	if (window.event.keyCode==13) {
		return false;
	} else {
		return true;
	}
}