function swap_photo(file) {
	
	var image = document.getElementById('product_photo');
	image.src = file;
	return false;
}


											
// add_sale_price :
// for yahoo stores only. if a sale price exists for the product,
// changes the formatting for the original price and a formatted
// sale price											
											
// requires <div id="price_module"> around 
// the <p id="product_price"> tag

// requires the following css classes:
// .price_list  (crosses out and/or de-emphasizes original product price)
// .price_sale  (formats the new sale price)

// call this function inline with the HTML,
// right after the price_module <div>

function add_sale_price(yahoo_sale_price) {
	
	// text to put in front of sale price
	var sale_text = "SALE ";
	
	if (yahoo_sale_price > 0) {
		
		// change formatting for original product price
		// (price gets crossed out and/or changed in color)
		var original_price = document.getElementById('product_price');
		original_price.className = 'price_list';
		
		// create a new <p> node containing the sale price info and 
		// append it to the price_module <div>
		var price_module = document.getElementById('price_module');
		var p = document.createElement('p');
		p.className = 'price_sale';
		var new_text = sale_text + '$' + yahoo_sale_price;
		var txt = document.createTextNode(new_text);
		p.appendChild(txt);
		price_module.appendChild(p);
	}
}

// note that element to be centered has to be called
// "main" in order for following handle to work
//window.onresize = handleResize;

// this stores currently active menu button
var activeId = "";