dojo.require("dijit.Tooltip");

function createTt(where, text)
{
	var ttname = where + "tip";
	if(dojo.byId(ttname) == null)
	{
		var placeholder = document.createElement('div');
		document.body.appendChild(placeholder);
		var tt = new dijit.Tooltip({ id: ttname, label: text, connectId:[where] }, placeholder);
		tt.startup();
	}
}

function destroyTt(where)
{
	var TT = dijit.byId(where + "tip");
	if(TT) TT.destroyRecursive();
}