// Original image sources are stored in this array

var originalImageSources = new Array();

// Cid identifier string, if the image name begins with cid: it's shown

var cid = new String("cid:");

// Number of images hidden (or replaced with our placeholder image)

var hiddenCount = 0;

// Replace image sources with our placeholder (if the autoloading is disabled)

function hideImages(frameId) {

    if (parent.header_frame.g_autoLoadImages == 0) {

        var doc = document.getElementById(frameId).contentDocument;

        if (!doc) {

            doc = document.frames[frameId].document;

        }

        for (i = 0; i < doc.images.length; i++) {

        	var image = doc.images[i];

            originalImageSources.push(image.src);

            if (image.src.length > 0 && image.src.indexOf(cid) == -1) {

                doc.images[i].src = "../hidden.png";

                hiddenCount++;

            }

        }

        if (hiddenCount == 0) {

            parent.header_frame.hideDisplayImagesButton();

        } else {

            parent.header_frame.showDisplayImagesButton();

        }

    } else {

        parent.header_frame.updateHeader();

    }

    requestLoadImages();

}

// Restore original images sources

function restoreImages(frameId) {

    if (parent.header_frame.g_autoLoadImages == 0) {

        var doc = document.getElementById(frameId).contentDocument;

        if (!doc) {

            doc = document.frames[frameId].document;

        }

        for (i = 0; i < originalImageSources.length; i++) {

            doc.images[i].src = originalImageSources[i];

        }

    }

}

// Causes application to reload images

function requestLoadImages() {

    location.href = "cmail://loadImages/";

}