	if (top.location !=self.location) {
		top.location.replace(self.location)
	}

	if (document.images) {

		about = new Image; abouton = new Image; planinfo = new Image; planinfoon = new Image;
		retail = new Image; retailon = new Image; assistprog = new Image; assistprogon = new Image;
		other = new Image; otheron = new Image; login = new Image; loginon = new Image;
		contact = new Image; contacton = new Image;
    
		about.src = "http://prescribingguide.com/images/about.jpg"; abouton.src = "http://prescribingguide.com/images/about-on.jpg"
		planinfo.src = "http://prescribingguide.com/images/planinfo.jpg"; planinfoon.src = "http://prescribingguide.com/images/planinfo-on.jpg"
		retail.src = "http://prescribingguide.com/images/retail.jpg"; retailon.src = "http://prescribingguide.com/images/retail-on.jpg"
		assistprog.src = "http://prescribingguide.com/images/assistprog.jpg"; assistprogon.src = "http://prescribingguide.com/images/assistprog-on.jpg"
		other.src = "http://prescribingguide.com/images/other.jpg"; otheron.src = "http://prescribingguide.com/images/other-on.jpg"
		login.src = "http://prescribingguide.com/images/login.jpg"; loginon.src = "http://prescribingguide.com/images/login-on.jpg"
		contact.src = "http://prescribingguide.com/images/contact.jpg"; contacton.src = "http://prescribingguide.com/images/contact-on.jpg"

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