if (document.images){
nssa0 = new Image(); nssa0.src = "img/lgs1.gif";
nssa1 = new Image(); nssa1.src = "img/lgs2.gif";
nssb0 = new Image(); nssb0.src = "img/lap1.gif";
nssb1 = new Image(); nssb1.src = "img/lap2.gif";
nssc0 = new Image(); nssc0.src = "img/ltp1.gif";
nssc1 = new Image(); nssc1.src = "img/ltp2.gif";
nssd0 = new Image(); nssd0.src = "img/lbe1.gif";
nssd1 = new Image(); nssd1.src = "img/lbe2.gif";
nsse0 = new Image(); nsse0.src = "img/lte1.gif";
nsse1 = new Image(); nsse1.src = "img/lte2.gif";
nssf0 = new Image(); nssf0.src = "img/lae1.gif";
nssf1 = new Image(); nssf1.src = "img/lae2.gif";
}

function nsc0(name)
{if (document.images)
document.images[name].src = eval(name + '0.src');
}function nsc1(name)
{if (document.images)
document.images[name].src = eval(name + '1.src');}