// all images for galleries in arrays
var lev1,lev2,lev3,lev4;
lev1 = [
        ["b","1","1_L"],
        ["c","2a","2a_L","2b","2b_L","2c","2c_L","2d","2d_L","2e","2e_L","2f","2f_L"],
        ["d","3","3_L"],
        ["e","4","4_L"],
        ["f","5","5_L"]
        ];
lev2 = [
        ["g","6","6_L"],
        ["h","7","7_L"],
        ["i","8a","8a_L","8b","8b_L","8c","8c_L"],
        ["j","9","9_L"],
        ["k","10a","10a_L","10b","10b_L",],
        ["l","11","11_L"]
];
lev3 = [
        ["m","12","12_L"],
        ["n","13","13_L"],
        ["o","14","14_L"],
        ["p","15","15_L"],
        ["q","16","16_L"],
        ["r","17a","17a_L","17b","17b_L",],
        ["s","18a","18a_L","18b","18b_L",],
        ["t","19a","19a_L","19b","19b_L",],
        ["u","20","20_L"]
        ];
lev4 = [
        ["s","Gift_SImages5","Gift_SImages6","Gift_SImages3","Gift_SImages4","Gift_SImages1","Gift_SImages2","Gift_SImages9","Gift_SImages10","Gift_SImages7","Gift_SImages8"],
        ["t","Gift_TImages1","Gift_TImages2"],
        ["u","Gift_UImages1","Gift_UImages2","Gift_UImages3","Gift_UImages4"],
        ["v","Gift_VImages1","Gift_VImages2","Gift_VImages3","Gift_VImages4"],
        ["w","Gift_WImages1","Gift_WImages2","Gift_WImages3","Gift_WImages4","Gift_WImages5","Gift_WImages6","Gift_WImages11","Gift_WImages12","Gift_WImages7","Gift_WImages8","Gift_WImages9","Gift_WImages10"],
        ["x","Gift_XImages1","Gift_XImages2"],
        ["y","Gift_YImages1","Gift_YImages2"]
        ];



// initialize script-only features
function initDropdowns() {
    // if a dropdown zone appears on the page, replace the noscript solution in there with the script one
    if (document.getElementById('range')) {
        // replace list with select box using CSS display property
        document.getElementById('range-dropdown').style.display='block';
        document.getElementById('range-list').style.display='none';

    }
}

function displayLarge(e, img) {
    // display large version in big pictures source
    e.parentNode.parentNode.parentNode.getElementsByTagName('IMG')[0].src = "img/gift-plans/" + img;
}

function loadGalleries(planName) {
    eval("var giftplans =" + planName);
    var plan;
        // grab array and go through it, loading galleries up with their pictures
    for (var i = 0; i < giftplans.length; i++) {
        plan = giftplans[i];
        if (plan.length > 1) {
            loadGallery(plan);
        }
    }
}

    // load up a gallery with its images from the array
function loadGallery(plan) {
    var planName;
    planName = plan[0];
    var galleryimages;
    var largesize;
    var smallsize;
    galleryimages = "";
    for (var i = 1; i < plan.length; i++) {
        //create new image object
        largesize = plan[i] + ".jpg";
        smallsize = plan[i] + "_sm.jpg";
//        galleryimages = galleryimages + "<a href=\"img/gift-plans/"+largesize+"\" target=\"_blank\"><img src=\"img/gift-plans/" + smallsize + "\" onmouseover=\"displayLarge(this,'" + largesize + "');\"></a>";
        galleryimages = galleryimages + "<a href=\"img/gift-plans/" + largesize + "\" target=\"_blank\" onmouseover=\"displayLarge(this,'" + largesize + "');\" onclick=\"return false;\" style=\"background-image:url('img/gift-plans/" + smallsize + "')\">&nbsp;&nbsp;&nbsp;</a>";
    }
    // load images
    galleryContainer = document.getElementById(planName);
    galleryContainer.innerHTML = galleryimages;

    // center gallery based on number of images inside
    var leftOffset = 200 - (plan.length * 18);
    if (leftOffset > 0) {
        galleryContainer.style.marginLeft = leftOffset + "px";
    }

}

function visitGiftRange() {
    var value = document.getElementById('range-dropdown').options[document.getElementById('range-dropdown').selectedIndex].value;
    switch (value) {
        case "0":
            window.location.href = "gift.htm";
            break;
        case "1":
            window.location.href = "gift-500.htm";
            break;
        case "2":
            window.location.href = "gift-1000.htm";
            break;
        case "3":
            window.location.href = "gift-over1000.htm";
            break;
    }
}

  function emailvalidation()
    {
	if (document.main.name.value == '')
	{
	 alert('Please enter your name.');
	 return false;
	}
	else if (document.main.email.value == '')
	{
	  alert('Please enter your e-mail address.');
	 return false;
	}
	else if (document.main.message.value == '')
	{
	 alert('Please enter a message.');
	 return false;
	}
}