if (document.images) {
	sar = new Image
	ram = new Image
	hrd = new Image
	edax = new Image
	
	sar.src = "certplus/sarin.jpg"
	ram.src = "certplus/raman.jpg"
	hrd.src = "certplus/hrdmocro.jpg"
	edax.src = "certplus/edax.jpg"
	
	
	sarsm = new Image
	ramsm = new Image
	hrdsm = new Image
	edaxsm = new Image
		
	sarinsm.src = "certplus/sarinsm.jpg"
	ramansm.src = "certplus/ramansm.jpg"
	hrdsm.src = "certplus/hrdmocrosm.jpg"
	edaxsm.src = "certplus/edaxsm.jpg"
	
}

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

	}
}