//Function to preload and swap rollover buttons in stencil navigation
if (document.images) {
	laasOff = new Image
	laasOver = new Image
	kidsOff = new Image
	kidsOver = new Image
	xstnOff = new Image
	xstnOver = new Image
	wrldOff = new Image
	wrldOver = new Image
	symbOff = new Image
	symbOver = new Image

	laasOff.src = "siteimages/spindex_laas.gif"
	laasOver.src = "siteimages/spindex_laas_over.gif"
	kidsOff.src = "siteimages/spindex_kids.gif"
	kidsOver.src = "siteimages/spindex_kids_over.gif"
	xstnOff.src = "siteimages/spindex_xstn.gif"
	xstnOver.src = "siteimages/spindex_xstn_over.gif"
	wrldOff.src = "siteimages/spindex_wrld.gif"
	wrldOver.src = "siteimages/spindex_wrld_over.gif"
	symbOff.src = "siteimages/spindex_symb.gif"
	symbOver.src = "siteimages/spindex_symb_over.gif"
}

else {
	laasOff = ""
	laasOver = ""
	document.laasRO = ""
	kidsOff = ""
	kidsOver = ""
	document.kidsRO = ""
	xstnOff = ""
	xstnOver = ""
	document.xstnRO = ""
	wrldOff = ""
	wrldOver = ""
	document.wrldRO = ""
	symbOff = ""
	symbOver = ""
	document.symbRO = ""
}


//Function to open popup window
function custWindow(doc,w,h,align,valign,scroll) {
if (custWindow.arguments.length < 6) {
	var scroll = 'no'
	}
if (custWindow.arguments.length < 4) {
	var align = 'c'
	var valign = 'm'
	}
topPos=0
leftPos=0
if (screen) {
	if (align == 'c') {
		leftPos = screen.width/2 - w/2
		} else {
		if (align == 'r') {
			leftPos = screen.width - w - 12
			}
		}
	if (valign == 'm') {
		topPos = screen.height/2 - h/2
		} else {
		if (valign == 'b') {
			topPos = screen.height - h - 5
				}
			}
		}
	custWin = window.open (doc,'custWin','toolbar=no,location=no,status=no,scrollbars='+scroll+',resizable=yes,width='+w+',height='+h+',left='+leftPos+',top='+topPos+'')
	custWin.document.close()
	custWin.focus()
}