jQuery.noConflict();

var imageFolder = "../../images/products/";
var currentSmallImage;

jQuery(document).ready(function () {
    jQuery("#SmallImage").bind("click", SmallImage_OnClick);
    currentSmallImage = jQuery("#SmallImage").attr("src").replace(".small.png", "");
    currentSmallImage = currentSmallImage.substring(currentSmallImage.lastIndexOf("/") + 1);
});

function SmallImage_OnClick(event) {
    if (currentSmallImage == image1)
    {
        jQuery("#SmallImage").attr("src", imageFolder + image2 + ".small.png");
        jQuery("#BigImage").attr("src", imageFolder + image1 + ".big.png");
        currentSmallImage = image2;
    }
    else
    {
        jQuery("#SmallImage").attr("src", imageFolder + image1 + ".small.png");
        jQuery("#BigImage").attr("src", imageFolder + image2 + ".big.png");
        currentSmallImage = image1;
    }
}