nav1=new Image(); nav1.src="images/nav_aboutus.gif"
nav1ov=new Image(); nav1ov.src="images/nav_aboutus_ov.gif"
nav2=new Image(); nav2.src="images/nav_calendar.gif"
nav2ov=new Image(); nav2ov.src="images/nav_calendar_ov.gif"
nav3=new Image(); nav3.src="images/nav_parents.gif"
nav3ov=new Image(); nav3ov.src="images/nav_parents_ov.gif"
nav4=new Image(); nav4.src="images/nav_staff.gif"
nav4ov=new Image(); nav4ov.src="images/nav_staff_ov.gif"
nav5=new Image(); nav5.src="images/nav_campus.gif"
nav5ov=new Image(); nav5ov.src="images/nav_campus_ov.gif"
nav6=new Image(); nav6.src="images/nav_development.gif"
nav6ov=new Image(); nav6ov.src="images/nav_development_ov.gif"
nav7=new Image(); nav7.src="images/nav_events.gif"
nav7ov=new Image(); nav7ov.src="images/nav_events_ov.gif"

function iC(imageID, which){
	if(which==1){
		document.images[imageID+"img"].src = eval(imageID + "ov.src")
	} else {
		document.images[imageID+"img"].src = eval(imageID + ".src")
	}
}