//images rollover
if (navigator.appVersion.substring(0,1) >= 3) {

	i1_N = new Image;
	i1_N.src = "img/bt_texaco_n.gif";
	i1_A = new Image;
	i1_A.src = "img/bt_texaco_a.gif";
	i2_N = new Image;
	i2_N.src = "img/bt_products_n.gif";
	i2_A = new Image;
	i2_A.src = "img/bt_products_a.gif";
	i3_N = new Image;
	i3_N.src = "img/bt_info_n.gif";
	i3_A = new Image;
	i3_A.src = "img/bt_info_a.gif";
	i4_N = new Image;
	i4_N.src = "img/bt_legislativ_n.gif";
	i4_A = new Image;
	i4_A.src = "img/bt_legislativ_a.gif";
	i5_N = new Image;
	i5_N.src = "img/bt_akce_n.gif";
	i5_A = new Image;
	i5_A.src = "img/bt_akce_a.gif";	
	i6_N = new Image;
	i6_N.src = "img/bt_sport_n.gif";
	i6_A = new Image;
	i6_A.src = "img/bt_sport_a.gif";	
	i7_N = new Image;
	i7_N.src = "img/bt_links_n.gif";
	i7_A = new Image;
	i7_A.src = "img/bt_links_a.gif";	
	i8_N = new Image;
	i8_N.src = "img/bt_contact_n.gif";
	i8_A = new Image;
	i8_A.src = "img/bt_contact_a.gif";	

}

function navMouseOver(imgid,stat) {
        if (navigator.appVersion.substring(0,1) >= 3) {
               document.images[imgid].src=eval(imgid + "_"+stat+".src");
        }
}