function SetGreyBottomSize() {
	//set grey box at bootm to size of screen
	if (document.body.offsetHeight > 647)
		document.getElementById('Layer11').style.height = document.body.offsetHeight -647;
 }
;
function SetRightSize() {
	//set right cloud image to right of screen
	if (document.body.offsetWidth > 1024)
		document.getElementById('Layer12').style.width = document.body.offsetWidth -1024;
 }