scriptresource.axd

用C#实现的一个P2P音视频会议系统

        var a = ((item.tagName && (item.tagName.toLowerCase == "a")) ? item : WebForm_GetElementByTagName(item, "A"));
        if (!a) {
            return false;
        }
        var td = a.parentNode.parentNode.parentNode.parentNode.parentNode;
        if (td.id) {
            return true;
        }
    }
    return false;
}
function Menu_IsSelectable(link) {
    return (link && link.href)
}
function Menu_Key(item) {
    var event;
    if (window.event) {
        event = window.event;
    }
    else {
        event = item;
        item = event.currentTarget;
    }
    var key = (event ? event.keyCode : -1);
    var data = Menu_GetData(item);
    if (!data) return;
    var horizontal = Menu_IsHorizontal(item);
    var a = WebForm_GetElementByTagName(item, "A");
    var nextItem, parentItem, previousItem;
    if ((!horizontal && key == 38) || (horizontal && key == 37)) {
        previousItem = Menu_FindPrevious(item);
        while (previousItem && previousItem.disabled) {
            previousItem = Menu_FindPrevious(previousItem);
        }
        if (previousItem) {
            Menu_Focus(previousItem);
            Menu_Expand(previousItem, data.horizontalOffset, data.verticalOffset, true);
            event.cancelBubble = true;
            if (event.stopPropagation) event.stopPropagation();
            return;
        }
    }
    if ((!horizontal && key == 40) || (horizontal && key == 39)) {
        if (horizontal) {
            var subMenu = Menu_FindSubMenu(a);
            if (subMenu && subMenu.style && subMenu.style.visibility && 
                subMenu.style.visibility.toLowerCase() == "hidden") {
                Menu_Expand(a, data.horizontalOffset, data.verticalOffset, true);
                event.cancelBubble = true;
                if (event.stopPropagation) event.stopPropagation();
                return;
            }
        }
        nextItem = Menu_FindNext(item);
        while (nextItem && nextItem.disabled) {
            nextItem = Menu_FindNext(nextItem);
        }
        if (nextItem) {
            Menu_Focus(nextItem);
            Menu_Expand(nextItem, data.horizontalOffset, data.verticalOffset, true);
            event.cancelBubble = true;
            if (event.stopPropagation) event.stopPropagation();
            return;
        }
    }
    if ((!horizontal && key == 39) || (horizontal && key == 40)) {
        var children = Menu_Expand(a, data.horizontalOffset, data.verticalOffset, true);
        if (children) {
            var firstChild;
            children = WebForm_GetElementsByTagName(children, "A");
            for (var i = 0; i < children.length; i++) {
                if (!children[i].disabled && Menu_IsSelectable(children[i])) {
                    firstChild = children[i];
                    break;
                }
            }
            if (firstChild) {
                Menu_Focus(firstChild);
                Menu_Expand(firstChild, data.horizontalOffset, data.verticalOffset, true);
                event.cancelBubble = true;
                if (event.stopPropagation) event.stopPropagation();
                return;
            }
        }
        else {
            parentItem = Menu_FindParentItem(item);
            while (parentItem && !Menu_IsHorizontal(parentItem)) {
                parentItem = Menu_FindParentItem(parentItem);
            }
            if (parentItem) {
                nextItem = Menu_FindNext(parentItem);
                while (nextItem && nextItem.disabled) {
                    nextItem = Menu_FindNext(nextItem);
                }
                if (nextItem) {
                    Menu_Focus(nextItem);
                    Menu_Expand(nextItem, data.horizontalOffset, data.verticalOffset, true);
                    event.cancelBubble = true;
                    if (event.stopPropagation) event.stopPropagation();
                    return;
                }
            }
        }
    }
    if ((!horizontal && key == 37) || (horizontal && key == 38)) {
        parentItem = Menu_FindParentItem(item);
        if (parentItem) {
            if (Menu_IsHorizontal(parentItem)) {
                previousItem = Menu_FindPrevious(parentItem);
                while (previousItem && previousItem.disabled) {
                    previousItem = Menu_FindPrevious(previousItem);
                }
                if (previousItem) {
                    Menu_Focus(previousItem);
                    Menu_Expand(previousItem, data.horizontalOffset, data.verticalOffset, true);
                    event.cancelBubble = true;
                    if (event.stopPropagation) event.stopPropagation();
                    return;
                }
            }
            var parentA = WebForm_GetElementByTagName(parentItem, "A");
            if (parentA) {
                Menu_Focus(parentA);
            }
            Menu_ResetSiblings(parentItem);
            event.cancelBubble = true;
            if (event.stopPropagation) event.stopPropagation();
            return;
        }
    }
    if (key == 27) {
        Menu_HideItems();
        event.cancelBubble = true;
        if (event.stopPropagation) event.stopPropagation();
        return;
    }
}
function Menu_ResetSiblings(item) {
    var table = (item.tagName.toLowerCase() == "td") ?
        item.parentNode.parentNode.parentNode :
        item.parentNode.parentNode;
    var isVertical = false;
    for (var r = 0; r < table.rows.length; r++) {
        if (table.rows[r].id) {
            isVertical = true;
            break;
        }
    }
    var i, child, childNode;
    if (isVertical) {
        for(i = 0; i < table.rows.length; i++) {
            childNode = table.rows[i];
            if (childNode != item) {
                child = WebForm_GetElementById(childNode.id + "Items");
                if (child) {
                    Menu_HideItems(child);
                }
            }
        }
    }
    else {
        for(i = 0; i < table.rows[0].cells.length; i++) {
            childNode = table.rows[0].cells[i];
            if (childNode != item) {
                child = WebForm_GetElementById(childNode.id + "Items");
                if (child) {
                    Menu_HideItems(child);
                }
            }
        }
    }
    Menu_ResetTopMenus(table, table, 0, true);
}
function Menu_ResetTopMenus(table, doNotReset, level, up) {
    var i, child, childNode;
    if (up && table.id == "") {
        var parentTable = table.parentNode.parentNode.parentNode.parentNode;
        if (parentTable.tagName.toLowerCase() == "table") {
            Menu_ResetTopMenus(parentTable, doNotReset, level + 1, true);
        }
    }
    else {
        if (level == 0 && table != doNotReset) {
            if (table.rows[0].id) {
                for(i = 0; i < table.rows.length; i++) {
                    childNode = table.rows[i];
                    child = WebForm_GetElementById(childNode.id + "Items");
                    if (child) {
                        Menu_HideItems(child);
                    }
                }
            }
            else {
                for(i = 0; i < table.rows[0].cells.length; i++) {
                    childNode = table.rows[0].cells[i];
                    child = WebForm_GetElementById(childNode.id + "Items");
                    if (child) {
                        Menu_HideItems(child);
                    }
                }
            }
        }
        else if (level > 0) {
            for (i = 0; i < table.rows.length; i++) {
                for (var j = 0; j < table.rows[i].cells.length; j++) {
                    var subTable = table.rows[i].cells[j].firstChild;
                    if (subTable && subTable.tagName.toLowerCase() == "table") {
                        Menu_ResetTopMenus(subTable, doNotReset, level - 1, false);
                    }
                }
            }
        }
    }
}
function Menu_RestoreInterval() {
    if (__menuInterval && __rootMenuItem) {
        Menu_ClearInterval();
        __menuInterval = window.setInterval("Menu_HideItems()", __disappearAfter);
    }
}
function Menu_SetRoot(item) {
    var newRoot = Menu_FindMenu(item);
    if (newRoot) {
        if (__rootMenuItem && __rootMenuItem != newRoot) {
            Menu_HideItems();
        }
        __rootMenuItem = newRoot;
    }
}
function Menu_Unhover(item) {
    var node = (item.tagName.toLowerCase() == "td") ?
        item:
        item.cells[0];
    var nodeTable = WebForm_GetElementByTagName(node, "table");
    if (nodeTable.hoverClass) {
        WebForm_RemoveClassName(nodeTable, nodeTable.hoverClass);
    }
    node = nodeTable.rows[0].cells[0].childNodes[0];
    if (node.hoverHyperLinkClass) {
        WebForm_RemoveClassName(node, node.hoverHyperLinkClass);
    }
    Menu_Collapse(node);
}
function PopOut_Clip(element, y, height) {
    if (element && element.style) {
        element.style.clip = "rect(" + y + "px auto " + (y + height) + "px auto)";
        element.style.overflow = "hidden";
    }
}
function PopOut_Down(scroller) {
    Menu_ClearInterval();
    var panel;
    if (scroller) {
        panel = scroller.parentNode
    }
    else {
        panel = __scrollPanel;
    }
    if (panel && ((panel.offset + panel.clippedHeight) < panel.physicalHeight)) {
        PopOut_Scroll(panel, 2)
        __scrollPanel = panel;
        PopOut_ShowScrollers(panel);
        PopOut_Stop();
        __scrollPanel.interval = window.setInterval("PopOut_Down()", 8);
    }
    else {
        PopOut_ShowScrollers(panel);
    }
}
function PopOut_Hide(panelId) {
    var panel = WebForm_GetElementById(panelId);
    if (panel && panel.tagName.toLowerCase() == "div") {
        panel.style.visibility = "hidden";
        panel.style.display = "none";
        panel.offset = 0;
        panel.scrollTop = 0;
        var table = WebForm_GetElementByTagName(panel, "TABLE");
        if (table) {
            WebForm_SetElementY(table, 0);
        }
        if (window.navigator && window.navigator.appName == "Microsoft Internet Explorer" &&
            !window.opera) {
            var childFrameId = panel.id + "_MenuIFrame";
            var childFrame = WebForm_GetElementById(childFrameId);
            if (childFrame) {
                childFrame.style.display = "none";
            }
        }
    }
}
function PopOut_HideScrollers(panel) {
    if (panel && panel.style) {
        var up = WebForm_GetElementById(panel.id + "Up");
        var dn = WebForm_GetElementById(panel.id + "Dn");
        if (up) {
            up.style.visibility = "hidden";
            up.style.display = "none";
        }
        if (dn) {
            dn.style.visibility = "hidden";