if (window.self != window.top) { 
window.top.location = window.self.location;
}

function atb() {
	for (i = 0; i < document.links.length; i++) {
		if (document.links[i].getAttribute('class') == 'nw'
		|| document.links[i].className == 'nw') {
		document.links[i].setAttribute('target', '_blank');
		}
	}
}
window.onload = atb;

if (document.images) {

ni = new Image(15,15); 
ni.src="img/ni.gif"; 

na = new Image(15,15); 
na.src="img/na.gif"; 

pb = new Image(680,1); 
pb.src="img/pb.gif"; 

nv = new Image(19,19); 
nv.src="img/nv.gif"; 

nh = new Image(19,19); 
nh.src="img/nh.gif"; 

no = new Image(19,19); 
no.src="img/no.gif"; 

}