flymis/WebRoot/dojojs/src/html/util.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.html.util");
dojo.require("dojo.html.layout");

dojo.html.getElementWindow = function(/* HTMLElement */element){
	//	summary
	// 	Get the window object where the element is placed in.
	return dojo.html.getDocumentWindow( element.ownerDocument );	//	Window
}

dojo.html.getDocumentWindow = function(doc){
	//	summary
	// 	Get window object associated with document doc

	// With Safari, there is not wa to retrieve the window from the document, so we must fix it.
	if(dojo.render.html.safari && !doc._parentWindow){
		/*
			This is a Safari specific function that fix the reference to the parent
			window from the document object.
		*/

		var fix=function(win){
			win.document._parentWindow=win;
			for(var i=0; i<win.frames.length; i++){
				fix(win.frames[i]);
			}
		}
		fix(window.top);
	}

	//In some IE versions (at least 6.0), document.parentWindow does not return a
	//reference to the real window object (maybe a copy), so we must fix it as well
	//We use IE specific execScript to attach the real window reference to
	//document._parentWindow for later use
	if(dojo.render.html.ie && window !== document.parentWindow && !doc._parentWindow){
		/*
		In IE 6, only the variable "window" can be used to connect events (others
		may be only copies).
		*/
		doc.parentWindow.execScript("document._parentWindow = window;", "Javascript");
		//to prevent memory leak, unset it after use
		//another possibility is to add an onUnload handler which seems overkill to me (liucougar)
		var win = doc._parentWindow;
		doc._parentWindow = null;
		return win;	//	Window
	}

	return doc._parentWindow || doc.parentWindow || doc.defaultView;	//	Window
}

dojo.html.gravity = function(/* HTMLElement */node, /* DOMEvent */e){