var list_across0 = [
'_contents.htm',
'_reference.htm',
'_index.htm',
'_search.htm',
'_external.htm'
];
var list_down1 = [
'chapter1.htm',
'chapter2.htm',
'software.htm',
'chapter3.htm',
'chapter5.htm',
'part2.htm',
'test.htm',
'bib.htm'
];
var list_down0 = [
'dictionary2_1.htm',
'tableau2_1.htm',
'tableau1_6.htm',
'quiz0629.htm'
];
var list_current0 = [
'chapter2.htm#Contents'
];
function choose_across0(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_across0[index-1];
}
function choose_down1(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_down1[index-1];
}
function choose_down0(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_down0[index-1];
}
function choose_current0(item)
{	var index          = item.selectedIndex;
	item.selectedIndex = 0;
	if(index > 0)
		document.location = list_current0[index-1];
}