// JavaScript Document
//image overs
var image1On = new Image()
image1On.src ="images/bt_patient2.jpg"

var image2On = new Image()
image2On.src ="images/bt_about2.jpg"

var image3On = new Image()
image3On.src ="images/bt_locations2.jpg"

var image4On = new Image()
image4On.src ="images/bt_contact2.jpg"


// replaces an images with the specified image preloaded above 
function Roll(theImage, theObject)
 {
document.images[theImage].src=theObject.src
}
function RollOut(theImage, imageName)
{
document.images[theImage].src=imageName
}