/////////////////////////////////////////////
// Cross-Browser Element Geometry Functions
/////////////////////////////////////////////
function getX(what) {
	var x = 0;
	while (what) {
		x += what.offsetLeft;
		what = what.offsetParent;
	}
	return x;
} // getX

function getY(what) {
	var y = 0;
	while (what) {
		y += what.offsetTop;
		what = what.offsetParent;
	}
	return y;
} // getY

function getWidth(what) {
	return what.offsetWidth;
} // getWidth

function getHeight(what) {
	return what.offsetHeight;
} // getHeight


/////////////////////////////////////////////
// Cross-Browser Screen Dimension Functions
/////////////////////////////////////////////

function getWindowInnerWidth() {
	var myWidth = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		myWidth = window.innerWidth;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//IE 6+ in 'standards compliant mode'
		myWidth = document.documentElement.clientWidth;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		myWidth = document.body.clientWidth;
	}
	return myWidth;
} // getWindowInnerWidth

function getWindowInnerHeight() {
	var myHeight = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		myHeight = window.innerHeight;
	} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//IE 6+ in 'standards compliant mode'
		myHeight = document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		myHeight = document.body.clientHeight;
	}
	return myHeight;
} // getWindowInnerHeight