if (document.images) {
		
	img1on = new Image();		img1on.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_media_over.jpg";
	img2on = new Image();		img2on.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_publishers_over.jpg";
	img3on = new Image(); 		img3on.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_professionals_over.jpg";
	img4on = new Image();		img4on.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_about_over.jpg";
	img5on = new Image();		img5on.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_products_over.jpg";
	img6on = new Image();		img6on.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_who_over.jpg";
	img7on = new Image();		img7on.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_news_over.jpg";

				
	img1off = new Image(); 		img1off.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_media.jpg";
	img2off = new Image();		img2off.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_publishers.jpg";
	img3off = new Image();		img3off.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_professionals.jpg";
	img4off = new Image();		img4off.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_about.jpg";
    img5off = new Image();		img5off.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_products.jpg";
	img6off = new Image();		img6off.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_who.jpg";
	img7off = new Image();		img7off.src = "http://borchyi.stockgroupmail.com/preview/cp/images/btn_news.jpg";
}

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");
	}
}