if (document.images) {
		r2c2 = new Image
		r2c2_ro = new Image
          r2c3 = new Image
		r2c3_ro = new Image
		r2c4 = new Image
		r2c4_ro = new Image
		r2c5 = new Image
		r2c5_ro = new Image


		r2c2.src = "images/callouts/r2c2.jpg"
		r2c2_ro.src = "images/callouts/r2c2_ro.jpg"
		r2c3.src = "images/callouts/r2c3.jpg"
		r2c3_ro.src = "images/callouts/r2c3_ro.jpg"
          r2c4.src = "images/callouts/r2c4.jpg"
		r2c4_ro.src = "images/callouts/r2c4_ro.jpg"
		r2c5.src = "images/callouts/r2c5.jpg"
		r2c5_ro.src = "images/callouts/r2c5_ro.jpg"
	}
	
	function chgImg(imgField,newImg) {
		if (document.images) {
			document[imgField].src= eval(newImg + ".src")
		}
	}