var list_sibling0 = [
'identity.htm',
'zeros.htm',
'ones.htm',
'fill.htm',
'fillcols.htm',
'fillrows.htm',
'seq.htm',
'toeplitz.htm',
'vander.htm',
'hankel.htm',
'hilb.htm',
'invhilb.htm',
'diag.htm',
'tril.htm',
'triu.htm',
'novalue.htm'
];
var list_up0 = [
'omatrix6.htm',
'elementary.htm',
'specialmatrices.htm',
'invhilb.htm'
];
var list_across0 = [
'_contents.htm',
'_reference.htm',
'_index.htm',
'_search.htm'
];
function choose_down0(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_down0[index-1];
}
function choose_sibling0(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_sibling0[index-1];
}
function choose_up0(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_up0[index-1];
}
function choose_across0(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_across0[index-1];
}