// JavaScript Document
// geometry.js

var Geometry = {};

if (window.screenLeft) {
	// IE & related
	Geometry.getWindowX = function() { return window.screenLeft; };
	Geometry.getWindowY = function() { return window.screenTop; };
} else if (window.screenX) {
	// Firefox & related
	Geometry.getWindowX = function() { return window.screenX; };
	Geometry.getWindowY = function() { return window.screenY; };
}

if (window.innerWidth) {
	// All but IE
	Geometry.getViewportWidth = function() { return window.innerWidth; };
	Geometry.getViewportHeight = function() { return window.innerHeight; };
	Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
	Geometry.getVerticalScroll = function() { return window.pageYOffset; };
} else if (document.documentElement && document.documentElement.clientWidth) {
	// IE6 w/ DOCTYPE
	Geometry.getViewportWidth = function() { return document.documentElement.clientWidth; };
	Geometry.getViewportHeight = function() { return document.documentElement.clientHeight; };
	Geometry.getHorizontalScroll = function() { return document.documentElement.scrollLeft; };
	Geometry.getVerticalScroll = function() { return document.documentElement.scrollTop; };
} else if (document.body.clientWidth) {
	// IE4/IE5/IE6 w/o DOCTYPE
	Geometry.getViewportWidth = function() { return document.body.clientWidth; };
	Geometry.getViewportHeight = function() { return document.body.clientHeight; };
	Geometry.getHorizontalScroll = function() { return document.body.scrollLeft; };
	Geometry.getVerticalScroll = function() { return document.body.scrollTop; };
}

if (document.documentElement && document.documentElement.scrollWidth) {
	Geometry.getDocumentWidth = function() { return document.documentElement.scrollWidth; };
	Geometry.getDocumentHeight = function() { return document.documentElement.scrollHeight; };
} else if (document.body.scrollWidth) {
	Geometry.getDocumentWidth = function() { return document.body.scrollWidth; };
	Geometry.getDocumentHeight = function() { return document.body.scrollHeight; };
}