// Check for namespace collision
if ("undefined" == typeof(TreeHelper))
{
	TreeHelper = new Object();
}

// TreeHelper.InitializeDragDrop ----------------------------------------
TreeHelper.InitializeDragDrop = function (targetTreeview, dropHandler)
{
    var treeViewRootElement = document.getElementById(targetTreeview.Container);
	
	if (treeViewRootElement)
		treeViewRootElement.onmouseup = function (e)
		{ 
		    dropHandler(e);
	    };
}