This method returns a ViewPort by name
Syntax: mui.viewPort(<ViewPort id>)
For more information about viewports see 'MobileUI App Structure' in User Guide.
Note: For the standar viewport use: mui.viewport and mui.screen
Quick example
For the Viewport:
<div id=’miviewport' class=’mui-viewport’>
…
…
</div>
its use would be:
var vp = mui.getViewport('miviewport');
Note that for standards viewports is equivalent:
mui.viewport == mui.getViewport('mui-viewport')
mui.screen == mui.getViewport('mui-screen')