function  imgOver( ) {

	if (document. images) {
		overviewOff = new Image
		contactOff = new Image
		faqOff = new Image
		roleOff = new Image
		pledgeOff = new Image
		serviceOff = new Image
		scientOff = new Image
		publicationOff = new Image
		peerOff = new Image
		resourceOff = new Image
		boxOff = new Image
		homeOff = new Image

		cellOff = new Image

		overviewOn = new Image
		contactOn = new Image
		faqOn = new Image
		roleOn = new Image
		pledgeOn = new Image
		serviceOn = new Image
		scientOn = new Image
		publicationOn = new Image
		peerOn = new Image
		resourceOn = new Image
		boxOn = new Image
		homeOn = new Image

		roleCell = new Image
		pledgeCell = new Image
		serviceCell = new Image
		scientCell = new Image
		publicationCell = new Image
		peerCell = new Image
		resourceCell = new Image
		boxCell = new Image

		overviewOff.src="images/overview/overview_off.gif"
		contactOff.src="images/overview/contact_off.gif"
		faqOff.src="images/overview/faq_off.gif"
		roleOff.src="images/overview/role_off.gif"
		pledgeOff.src="images/overview/pledge_off.gif"
		serviceOff.src="images/overview/service_off.gif"
		scientOff.src="images/overview/scient_off.gif"
		publicationOff.src="images/overview/publication_off.gif"
		peerOff.src="images/overview/peer_off.gif"
		resourceOff.src="images/overview/resource_off.gif"
		boxOff.src="images/overview/box_off.gif"
		homeOff.src="images/overview/home_off.gif"

		cellOff.src="images/overview/blank.gif"

		overviewOn.src="images/overview/overview_on.gif"
		contactOn.src="images/overview/contact_on.gif"
		faqOn.src="images/overview/faq_on.gif"
		roleOn.src="images/overview/role_on.gif"
		pledgeOn.src="images/overview/pledge_on.gif"
		serviceOn.src="images/overview/service_on.gif"
		scientOn.src="images/overview/scient_on.gif"
		publicationOn.src="images/overview/publication_on.gif"
		peerOn.src="images/overview/peer_on.gif"
		resourceOn.src="images/overview/resource_on.gif"
		boxOn.src="images/overview/box_on.gif"
		homeOn.src="images/overview/home_on.gif"

		roleCell.src = "images/overview/role_cell.gif"
		pledgeCell.src = "images/overview/pledge_cell.gif"
		serviceCell.src = "images/overview/service_cell.gif"
		scientCell.src = "images/overview/scient_cell.gif"
		publicationCell.src = "images/overview/publication_cell.gif"
		peerCell.src = "images/overview/peer_cell.gif"
		resourceCell.src = "images/overview/resource_cell.gif"
		boxCell.src = "images/overview/box_cell.gif"

}

	else {

		overviewOff = ""
		contactOff = ""
		faqOff = ""
		roleOff = ""
		pledgeOff = ""
		serviceOff = ""
		scientOff = ""
		publicationOff = ""
		peerOff = ""
		resourceOff = ""
		boxOff = ""
		homeOff = ""

		cellOff = ""

		overviewOn = ""
		contactOn = ""
		faqOn = ""
		roleOn = ""
		pledgeOn = ""
		serviceOn = ""
		scientOn = ""
		publicationOn = ""
		peerOn = ""
		resourceOn = ""
		boxOn = ""
		homeOn = ""

		roleCell = ""
		pledgeCell = ""
		serviceCell = ""
		scientCell = ""
		publicationCell = ""
		peerCell = ""
		resourceCell = ""
		boxCell = ""

		document.overview = ""
		document.contact = ""
		document.faq = ""
		document.role = ""
		document.pledge = ""
		document.service = ""
		document.scient = ""
		document.publication = ""
		document.peer = ""
		document.resource = ""
		document.box= ""
		document.home = ""


		document.cellOff = ""
		document.roleCell = ""
		document.pledgeCell = ""
		document.serviceCell =""
		document.scientCell = ""
		document.publicationCell = ""
		document.peerCell = ""
		document.resourceCell = ""
		document.boxCell = ""

		}
}