function imgOn(imgName) {
 	if (document.images) {
    	document[imgName].src = eval(imgName + "on.src");
    }
}

function imgOff(imgName) {
	if (document.images) {
    	document[imgName].src = eval(imgName + "off.src");
    }
}

if (document.images) {
    img1on = new Image();
    img1on.src="images/productimg/bc2.png"
    img1off = new Image();
    img1off.src="images/productimg/bc.png"

    img2on = new Image();
    img2on.src="images/productimg/bd2.png"
    img2off = new Image();
    img2off.src="images/productimg/bd.png"

    img3on = new Image();
    img3on.src="images/productimg/fy2.png"
    img3off = new Image();
    img3off.src="images/productimg/fy.png"

    img4on = new Image();
    img4on.src="images/productimg/lh2.png"
    img4off = new Image();
    img4off.src="images/productimg/lh.png"
	
    img5on = new Image();
    img5on.src="images/productimg/pi2.png"
    img5off = new Image();
    img5off.src="images/productimg/pi.png"

    img6on = new Image();
    img6on.src="images/productimg/br2.png"
    img6off = new Image();
    img6off.src="images/productimg/br.png"


    }