//Function to preload and swap rollover buttons in main navigation
if (document.images) {
	
	homeOff = new Image
	homeOver = new Image
	
	packagesOff = new Image
	packagesOver = new Image
	
	aboutOff = new Image
	aboutOver = new Image
	
	galleryOff = new Image
	galleryOver = new Image
	
	tipsOff = new Image
	tipsOver = new Image
	
	huntafricaOff = new Image
	huntafricaOver = new Image
	
	faqsOff = new Image
	faqsOver = new Image
	
	contactOff = new Image
	contactOver = new Image
	
	africanOff = new Image
	africanOver = new Image
	
	nrthamOff = new Image
	nrthamOver = new Image
	
	fishOff = new Image
	fishOver = new Image
	
	
	

	
	homeOff.src = "siteimages/home.jpg"
	homeOver.src = "siteimages/home_selected.jpg"
	
	packagesOff.src = "siteimages/packages.jpg"
	packagesOver.src = "siteimages/packages_selected.jpg"
	
	aboutOff.src = "siteimages/about.jpg"
	aboutOver.src = "siteimages/about_selected.jpg"
	
	galleryOff.src = "siteimages/gallery.jpg"
	galleryOver.src = "siteimages/gallery_selected.jpg"
	
	tipsOff.src = "siteimages/tips.jpg"
	tipsOver.src = "siteimages/tips_selected.jpg"
	
	huntafricaOff.src = "siteimages/huntafrica.jpg"
	huntafricaOver.src = "siteimages/huntafrica_selected.jpg"
	
	faqsOff.src = "siteimages/faqs.jpg"
	faqsOver.src = "siteimages/faqs_selected.jpg"
	
	contactOff.src = "siteimages/contact.jpg"
	contactOver.src = "siteimages/contact_selected.jpg"
	
	africanOff.src = "siteimages/african.jpg"
	africanOver.src = "siteimages/african_selected.jpg"
	
	nrthamOff.src = "siteimages/nrtham.jpg"
	nrthamOver.src = "siteimages/nrtham_selected.jpg"
	
	fishOff.src = "siteimages/fish.jpg"
	fishOver.src = "siteimages/fish_selected.jpg"
	

}

else {
	homeOff = ""
	homeOver = ""
	document.homeRO = ""
	
	packagesOff = ""
	packagesOver = ""
	document.packagesRO = ""
	
	aboutOff = ""
	aboutOver = ""
	document.aboutRO = ""
	
	galleryOff = ""
	galleryOver = ""
	document.galleryRO = ""
	
	tipsOff = ""
	tipsOver = ""
	document.tipsRO = ""
	
	huntafricaOff = ""
	huntafricaOver = ""
	document.huntafricaRO = ""
	
	faqsOff = ""
	faqsOver = ""
	document.faqsRO = ""
	
	contactOff = ""
	contactOver = ""
	document.contactRO = ""
	
	africanOff = ""
	africanOver = ""
	document.africanRO = ""
	
	nrthamOff = ""
	nrthamOver = ""
	document.nrthamRO = ""
	
	fishOff = ""
	fishOver = ""
	document.fishRO = ""
	
	

}
  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,scrollbars='+scroll+',resizable=yes,width='+w+',height='+h+',left='+leftPos+',top='+topPos+'')
                custWin.document.close()
                custWin.focus()
        }