function changePhoto(id) {

    document.images['mainPhoto'].src=id;

}

function changeHomeButton(img) {

    document.images['homeBtn'].src = img;

}
function showCandEMap (map,w,h) {
    window.open(map,'','width='+w+', height='+h);
}
//
// AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX AJAX 	
//
//handle the Ajax response ...
function handleResponse(transport)
{   
	reply = transport.responseText;
	
	$('shippingCosts').innerHTML = transport.responseText;
    
}

//creates a Prototype Ajax object, sends a request, and registers the callback function 'handleResponse'
function callAjax(z,y) 
{	
    var myAjax = new Ajax.Request('/product/process', 
                                   {method: 'get', parameters: {zip: z, product: y}, 
                                   onComplete: handleResponse});
}