var over = new Image
var over_program =  new Image
var over_faculty = new Image
var over_calendar = new Image
var over_email = new Image
var over_links = new Image
var over_contacts = new Image
var over_home = new Image

over.src = "images/over.gif"
over_program.src = "images/overprogram.gif"
over_faculty.src = "images/overfaculty.gif"
over_calendar.src = "images/overcalendar.gif"
over_email.src = "images/overemail.gif"
over_links.src = "images/overlinks.gif" 
over_contacts.src = "images/overcontacts.gif"
over_home.src = "images/overhome.gif"

function swapImage(imgField,newImg)
{
	if (document.images)
	{	
		document[imgField].src=eval(newImg + ".src")
	}
}