<!--
if(document.images){
b1off=new Image(); b1off.src="../images/nav_01_1.gif";
b1on=new Image(); b1on.src="../images/nav_01_2.gif";

b2off=new Image(); b2off.src="../images/nav_02_1.gif";
b2on=new Image(); b2on.src="../images/nav_02_2.gif";

b3off=new Image(); b3off.src="../images/nav_03_1.gif";
b3on=new Image(); b3on.src="../images/nav_03_2.gif";

b4off=new Image(); b4off.src="../images/nav_04_1.gif";
b4on=new Image(); b4on.src="../images/nav_04_2.gif";

b5off=new Image(); b5off.src="../images/nav_05_1.gif";
b5on=new Image(); b5on.src="../images/nav_05_2.gif";

b6off=new Image(); b6off.src="../images/nav_06_1.gif";
b6on=new Image(); b6on.src="../images/nav_06_2.gif";

b7off=new Image(); b7off.src="../images/nav_07_1.gif";
b7on=new Image(); b7on.src="../images/nav_07_2.gif";

b8off=new Image(); b8off.src="../images/nav_08_1.gif";
b8on=new Image(); b8on.src="../images/nav_08_2.gif";

b9off=new Image(); b9off.src="../images/nav_09_1.gif";
b9on=new Image(); b9on.src="../images/nav_09_2.gif";

b10off=new Image(); b10off.src="../images/nav_10_1.gif";
b10on=new Image(); b10on.src="../images/nav_10_2.gif";

b11off=new Image(); b11off.src="../images/nav_11_1.gif";
b11on=new Image(); b11on.src="../images/nav_11_2.gif";

b12off=new Image(); b12off.src="../images/nav_12_1.gif";
b12on=new Image(); b12on.src="../images/nav_12_2.gif";

b13off=new Image(); b13off.src="../images/nav_00_1.gif";
b13on=new Image(); b13on.src="../images/nav_00_2.gif";

}

function act(bn){
        if(document.images){
                loc = "b" + bn;
                document[loc].src = eval(loc + "on.src");
        }
}
function inact(bn){
        if(document.images){
                loc = "b" + bn;
                document[loc].src = eval(loc + "off.src");
        }
}
 //-->