if (document.images) {
		contact= new Image
		contactrollover = new Image
    		testimonials = new Image
		testimonialsrollover = new Image
        	

		contact.src = "http://www.cornerstonedetention.com/images/contact.jpg"
		contactrollover.src = "http://www.cornerstonedetention.com/images/contact_ro.jpg"
		testimonials.src = "http://www.cornerstonedetention.com/images/testimonials.jpg"
		testimonialsrollover.src = "http://www.cornerstonedetention.com/images/testimonials_ro.jpg"
                
	}
	
		function chgImg(imgField,newImg) {
		if (document.images) {
		document[imgField].src= eval(newImg + ".src")
		}
	}