Constructor
initialize: function()
Hides iframe shim leaving its position and dimensions intact
hide: function()
Show iframe shim leaving its position and dimensions intact
show: function()
Positions iframe shim under the specified element Sets proper dimensions, offset, zIndex and shows it Note that the element should have explicitly specified zIndex
positionUnder: function( element )
Sets element’s width, height, top and left css properties using ‘px’ as units
setBounds: function( bounds )
Completely removes the iframe shim from the document
destroy: function()