function getClientWidth() {
if (window.innerWidth)
	theWidth=window.innerWidth;
else if (document.documentElement && document.documentElement.clientWidth)
	theWidth=document.documentElement.clientWidth;
else if (document.body)
	theWidth=document.body.clientWidth;
	return theWidth;
}
function getClientHeight() {
if (window.innerHeight)
	theHeight=window.innerHeight;
else if (document.documentElement && document.documentElement.clientHeight)
	theHeight=document.documentElement.clientHeight;
else if (document.body)
	theHeight=document.body.clientHeight;
	return theHeight;
}