// Though "Dialog" looks like an object, it isn't really an object.  Instead



// it's just namespace for protecting global symbols.







function Dialog(url, action, init) {



	if (typeof init == "undefined") {



		init = window;	// pass this window object by default



	}



	if (document.all) {	// here we hope that Mozilla will never support document.all



		var value =



			showModalDialog(url, init,



//			window.open(url, '_blank',



					"resizable: no; help: no; status: no; scroll: no");



		if (action) {



			action(value);



		}



	} else {



		return Dialog._geckoOpenModal(url, action, init);



	}



};







Dialog._parentEvent = function(ev) {



	if (Dialog._modal && !Dialog._modal.closed) {



		Dialog._modal.focus();



		// we get here in Mozilla only, anyway, so we can safely use



		// the DOM version.



		ev.preventDefault();



		ev.stopPropagation();



	}



};







// should be a function, the return handler of the currently opened dialog.



Dialog._return = null;







// constant, the currently opened dialog



Dialog._modal = null;







// the dialog will read it's args from this variable



Dialog._arguments = null;







Dialog._geckoOpenModal = function(url, action, init) {



	var dlg = window.open(url, "ha_dialog",



			      "toolbar=no,menubar=no,personalbar=no,width=10,height=10," +



			      "scrollbars=no,resizable=no");



	Dialog._modal = dlg;



	Dialog._arguments = init;







	// capture some window's events



	function capwin(w) {



		w.addEventListener("click", Dialog._parentEvent, true);



		w.addEventListener("mousedown", Dialog._parentEvent, true);



		w.addEventListener("focus", Dialog._parentEvent, true);



	};



	// release the captured events



	function relwin(w) {



		w.removeEventListener("focus", Dialog._parentEvent, true);



		w.removeEventListener("mousedown", Dialog._parentEvent, true);



		w.removeEventListener("click", Dialog._parentEvent, true);



	};



	capwin(window);



	// capture other frames



	for (var i = 0; i < window.frames.length; capwin(window.frames[i++]));



	// make up a function to be called when the Dialog ends.



	Dialog._return = function (val) {



		if (val && action) {



			action(val);



		}



		relwin(window);



		// capture other frames



		for (var i = 0; i < window.frames.length; relwin(window.frames[i++]));



		Dialog._modal = null;



	};



};