MS CRM 2011 JavaScript common UI (User Interface) functions

I am listing some common MS CRM 2011 JavaScript UI functions.These functions are for the MS CRM 2011 User Interface.

1.Hiding a navigation Item:

 ShowOrHideNavigationItem("navContacts",false)
//====== Function to Hide navigation Item Start====== 
function ShowOrHideNavigationItem(NavItemName, ShowOrHide) 
{
    var navItem = Xrm.Page.ui.navigation.items.get(NavItemName);
    if (navItem != null)
        navItem.setVisible(ShowOrHide);
}
//====== Function to Hide navigation Item End======== 

2.Show or Hide a Control :

 ShowOrHideControl("myControlName",false)




//====== Function to Show or Hide a Control Start====== 
function ShowOrHideControl(CtrlItemName, ShowOrHide)
{
    var ctrlItem = Xrm.Page.getControl(CtrlItemName);
    if (ctrlItem != null)
        ctrlItem.setVisible(ShowOrHide);
}
//====== Function to Show or Hide Control End========

3.Enable or Disable a Control :

EnableOrDisableControl("myControlName",true)
//====== Function to Enable or Disable a Control Start====== 
function EnableOrDisableControl(CtrlItemName, EnableOrDisable)
{
    var ctrlItem = Xrm.Page.getControl(CtrlItemName);
    if (ctrlItem != null)
        ctrlItem.setDisabled(EnableOrDisable);
}
//====== Function to Enable or Disable a Control End======

4.Set a Control Required Level:

SetControlRequiredLevel("myControlName",required)
//====== Function to Set Required Level a Control Start====
function SetControlRequiredLevel(CtrlItemName, RequiredLevel)
{
    //RequiredLevel="required","none"
    var ctrlItem = Xrm.Page.getControl(CtrlItemName);
    if (ctrlItem != null)
        ctrlItem.setRequiredLevel(RequiredLevel);
}
//====== Function to Set Required Level a Control End======

5.Hide or Show a Section:

HideShowSection(1, mySectionName, false)
//====== Function to Show and Hide a section Start====== 
function HideShowSection(tabnumber, section, visible)
{
    if (Xrm.Page.ui.tabs.get(tabnumber) != null && Xrm.Page.ui.tabs.get(tabnumber).sections.get(section) != null)
        Xrm.Page.ui.tabs.get(tabnumber).sections.get(section).setVisible(visible);
}




//====== Function to Show and Hide a section End====== 

6.Hide or Show a Tab:

HideShowTab(1,false)
//====== Function to  Show and Hide a Tab Start====== 
function HideShowTab(tabnumber, visible)
{
    Xrm.Page.ui.tabs.get(tabnumber).setVisible(visible);
}
//====== Function to Show and Hide a Tab End====== 

7.Disable all the controls in a Tab:

DisableAllControlsInTab(1)
//====== Function to Disable all Controls in a Tab Start=====
function DisableAllControlsInTab(tabControlNo)
{
    var tabControl = Xrm.Page.ui.tabs.get(tabControlNo);
    if (tabControl != null) {
        Xrm.Page.ui.controls.forEach(
    function (control, index) {
        if (control.getParent().getParent() == tabControl && control.getControlType() != "subgrid") {
            control.setDisabled(true);
        }
    });
    }
}
//====== Function to Disable all Controls in a Tab End=====

8.Disable all the controls in a Section:

DisableOrEnableAllControlsInSection("sectionName",true)
//====== Function to Disable or all Controls in a Section Start=====
function DisableOrEnableAllControlsInSection(sectionControl, DisableOrEnable) 
{




    Xrm.Page.ui.controls.forEach(
    function (control, index) {
        if (control.getParent().getName() == sectionControl) {
            control.setDisabled(DisableOrEnable);
        }
    });
}
//====== Function to Disable or all Controls in a Section End=====

9.Disable the form:

//====== Function to Disable form Start=====
function DisableForm() 
{
    Xrm.Page.ui.controls.forEach(
        function (control, index) {
            if (control.getControlType() != "subgrid")
                control.setDisabled(true);
        });
}
  //====== Function to Disable form End=====