function wdover(t) {
	t.style.background="#D9ECFF";
	t.style.border="1px solid #09F";
}
function wdout(t) {
	t.style.background="#FFF";
	t.style.border="1px solid #FFF";
}
function wdclick(e,t) {
	a=e.srcElement || e.target;
	if (a.tagName=='LI')
		a=a.getElementsByTagName('a')[0];
	else if (a.tagName=='SUP')
		a=getnext(a);
	else
		return;
	location.href=a.href;
}