text: //class DragDropManager
  function DragDropManager()
  {
      if (!(this instanceof DragDropManager))
  		alert("DragDropManager: call constuctor with new keyword");
  }
  
  
  //-- END // unit test or other follows
  /////////////////////////////////////////////////////////////////////////
  //Unit testbed
  if (window.g_arrayUnitTest)
  {
  	var out_object = {};
  	out_object.UnitTest = function()
  	{
  		var result = true;
  
  		if (true == result)
  		{
  			if (!result)
  				return "Fail construction";
  		}
  
  		if (true != result)
  			return "Fail:DragDropManager";
  		return "Pass:DragDropManager";
  	};
  
  	g_arrayUnitTest.push(out_object);
  }
  