[Added] Functions documented in the Wiki

[admin]

JavaScript functions:

nuIsDisabled()
nuIsEnabled()
nuIsVisible()
nuIsHidden()
nuHideTabById()
nuShowTabById()
nuFormId()
nuShowTabByTitle()
nuCurrentDate()
nuCurrentDateTime()
nuUserId()
nuUserLogin()
nuAfterSave()
nuGlobalAccess()
nuSelectedTabNumber()
nuSelectedTabId()
nuSelectedTabTitle()
nuSetLabelText()
nuSetDateValue
nuLabelOnTop()
nuUserCode()
nuUserTeam()
nuUserPosition()
nuUserDepartment()
nuUserLanguage()

PHP functions:

function nuStringContains()
function nuStringStartsWith()
function nuStringEndsWith()
function nuStringLeft()
function nuStringRight()