if (document.images) {
img1on = new Image();
img1on.src = "images/bn_showrooms_sc_lg1.jpg";
img2on = new Image();
img2on.src = "images/bn_showrooms_sc_lg2.jpg";
img3on = new Image();
img3on.src = "images/bn_showrooms_sc_lg3.jpg";
img4on = new Image();
img4on.src = "images/bn_showrooms_sc_lg4.jpg";
img5on = new Image();
img5on.src = "images/bn_showrooms_sc_lg5.jpg";

img1off = new Image();
img1off.src = "images/bn_showrooms_sc_lg1.jpg";
img2off = new Image();
img2off.src = "images/bn_showrooms_sc_lg1.jpg";
img3off = new Image();
img3off.src = "images/bn_showrooms_sc_lg1.jpg";
img4off = new Image();
img4off.src = "images/bn_showrooms_sc_lg1.jpg";
img5off = new Image();
img5off.src = "images/bn_showrooms_sc_lg1.jpg";

img1ad = new Image();
img1ad.src = "images/bn_showrooms_sc_lg1.jpg";
img2ad = new Image();
img2ad.src = "images/bn_showrooms_sc_lg2.jpg";
img3ad = new Image();
img3ad.src = "images/bn_showrooms_sc_lg3.jpg";
img4ad = new Image();
img4ad.src = "images/bn_showrooms_sc_lg4.jpg";
img5ad = new Image();
img5ad.src = "images/bn_showrooms_sc_lg5.jpg";

}
currentImage = img1on.src;
//Function to 'activate' images.
function imgOn(imgName) {
currentImage = img1on.src;
if (document.images) {		
	document["holder"].src = eval(imgName + "on.src");
	}
}
//Function to 'deactivate' images
function imgOff(imgName) {
if (currentImage!= img1on.src)
	document["holder"].src = eval(currentImage + "on.src");	
else	
	if (document.images) {	
		document["holder"].src = eval(imgName + "off.src");	
	}
}
function imgAd(imgName) {
currentImage = imgName;
if (document.images) {
	document["holder"].src = eval(imgName + "ad.src"); 
 	}
 }