//------------------------------------------------------------
// src_product_javascript.asp
//
// Javascript functions to support product specific Javascript functions.


function cart_update_notice(the_window)
	{
	document.thisForm.submit();
	}

function clear_sample()
	{
//	if (document.images['sample_image'])
//		{
//		document.images['sample_image'].src = default_rollover_image;
//		}
	}
	
function show_sample(colour_number)
	{
	if (document.images['sample_image'])
		{
		document.images['sample_image'].src = colour_images[colour_number];
		if (document.all)
			{
			if (document.all['the_description'])
				{
				document.all['the_description'].innerHTML = colour_selections[colour_number];
				}
			if (document.all['the_model'])
				{
				document.all['the_model'].innerHTML = colour_models[colour_number];
				}
			}
		}
	}

function show_colour_name(colour_id)
	{
	var colour_num = get_colour_index(colour_id);
	
	if (colour_num == 0)
		{
		document.write("< unknown >");
		}
	else
		{
		document.write(colour_selections[colour_num]);
		}
	}
	
function show_sample_ex(colour_id)
	{
	var colour_number = get_colour_index(colour_id);

	if (document.images['sample_image'])
		{
		document.images['sample_image'].src = colour_images[colour_number];
		if (document.all)
			{
			if (document.all['the_description'])
				{
				document.all['the_description'].innerHTML = colour_selections[colour_number];
				}
			if (document.all['the_model'])
				{
				document.all['the_model'].innerHTML = colour_models[colour_number];
				}
			}
		}
	}

function get_colour_index(colour_id)
	{
	var the_colour_index = 0;
	
	for (i = 1; i <= colour_id_list.length; ++i)
		{
		if (colour_id == colour_id_list[i])
			{
			the_colour_index = i;
			break;
			}
		}

	return the_colour_index;
	}

function get_model_index(model_id)
	{
	var the_model_index = 0;
	
	for (i = 1; i <= model_id_list.length; ++i)
		{
		if (model_id == model_id_list[i])
			{
			the_model_index = i;
			break;
			}
		}

	return the_model_index;
	}

function select_colour_ex(model_id)
	{
	var theObject;
	var colour_id;
	
	theObject = document.thisForm['lstColour'+model_id.toString()];
	
	if (theObject)
		{
		colour_id = theObject.options[theObject.selectedIndex].value;
		model_colour_picks[get_model_index(model_id)] = colour_id;
		show_colour_price(model_id, colour_id);
		}
	else
		{
		window.alert('Unrecognized colour selection');
		}
	}

function show_colour_price(model_id, colour_id)
	{
	var thePriceObj;
	var thePriceArray;
	var colour_id;
	
	theObject = document.thisForm['lstColour'+model_id.toString()];
	
	if (document.all)
		{
		thePriceObj = document.all['the_price'+model_id.toString()];
		thePriceArray = eval('colour_price_' + model_id.toString());
	
		if (!thePriceObj)
			{
			return;
			}
		if (colour_id == 0)
			{
			thePriceObj.innerHTML = model_prices[get_model_index(model_id)];
			}
		else
			{
			if ('' == thePriceArray[get_colour_index(colour_id)])
				{
				thePriceObj.innerHTML = model_prices[get_model_index(model_id)];
				}
			else
				{
				thePriceObj.innerHTML = thePriceArray[get_colour_index(colour_id)];
				}
			}
		}
	}

function select_colour(model)
	{
	var theObject;
	
	theObject = document.thisForm['lstColour'+model.toString()];
	if (theObject)
		{
		if (theObject.options[theObject.selectedIndex].value == 0)
			{
			model_colour_picks[model] = 0;
//			window.alert('picked no colour');
			}
		else
			{
			model_colour_picks[model] = theObject.selectedIndex;
//			window.alert('picked colour number ' + (model_colour_picks[model]).toString());
			}
		}
	else
		{
		window.alert('Unrecognized colour selection');
		}
	}

function product_add_to_cart(product_id, model_id)
	{
	if (model_colour_picks[get_model_index(model_id)] == 0)
		{
		window.alert('You must select a color before you can add this item to your shopping cart.');
		}
	else
		{
		open_window('product_add_to_cart.asp?p=' + product_id.toString() + '&m=' + model_id.toString() + '&l=' + model_colour_picks[get_model_index(model_id)], 750, 440);
		}
	}