if (document.images) {
                  
            img01on = new Image();
            img01on.src = "images/blue_bv.jpg";
            img02on = new Image();
            img02on.src = "images/blue_jv.jpg";
            img03on = new Image();
            img03on.src = "images/blue_lv.jpg";
            img04on = new Image();
            img04on.src = "images/blue_cv.jpg";
            img05on = new Image();
            img05on.src = "images/blue_suresafe.jpg";
            img06on = new Image();
            img06on.src = "images/blue_vs.jpg";
            img07on = new Image();
            img07on.src = "images/blue_rv.jpg";
			

            img01off = new Image(); 
            img01off.src = "images/black_bv.jpg"; 
            img02off = new Image(); 
            img02off.src = "images/black_jv.jpg"; 
            img03off = new Image(); 
            img03off.src = "images/black_lv.jpg";
            img04off = new Image();
            img04off.src = "images/black_cv.jpg";  
            img05off = new Image();
            img05off.src = "images/black_suresafe.jpg";
            img06off = new Image();
            img06off.src = "images/black_vs.jpg";
            img07off = new Image();
            img07off.src = "images/black_rv.jpg";
			
            img01ad = new Image();
            img01ad.src = "images/blueoval_bv.jpg";
            img02ad = new Image();
            img02ad.src = "images/blueoval_jv.jpg";
            img03ad = new Image();
            img03ad.src = "images/blueoval_lv.jpg";
            img04ad = new Image();
            img04ad.src = "images/blueoval_cv.jpg";
            img05ad = new Image();
            img05ad.src = "images/blueoval_suresafe.jpg";
            img06ad = new Image();
            img06ad.src = "images/blueoval_vs.jpg";
            img07ad = new Image();
            img07ad.src = "images/blueoval_rv.jpg";
			
         }


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


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