// a function added by Jim to support a multiple and nested image swap 
function switch_section(divname, divnumber, divtotal) {for (var i=1; i<=divtotal; i++) {
var showDivName = divname + '_' + i;
var showObj = document.getElementById(showDivName);
if (showDivName == divname + '_' + divnumber)
showObj.style.display = 'block';
else
showObj.style.display = 'none';
}
}



// a function added by Jim to support a simple image swap 
function switch_product_img(divName, totalImgs) {
for (var i=1; i<=totalImgs; i++) {
var showDivName = 'photo_' + i;
var showObj = document.getElementById(showDivName);
if (showDivName == divName)
showObj.style.display = 'block';
else
showObj.style.display = 'none';
}
}