<!--
var forwardlinks = new Array
forwardlinks[1] = "level2_view1_1.htm"
forwardlinks[2] = "level2_view1_2.htm" 
forwardlinks[3] = "level2_view1_3.htm" 
forwardlinks[4] = "level2_view2_1.htm"
forwardlinks[5] = "level2_view2_2.htm"
forwardlinks[6] = "level2_view2_3.htm"
forwardlinks[7] = "level2_view3_1.htm"
forwardlinks[8] = "level2_view3_2.htm"
forwardlinks[9] = "level2_view3_3.htm"
forwardlinks[10] = "level2_view4_1.htm"
forwardlinks[11] = "level2_view4_2.htm"
forwardlinks[12] = "level2_view4_3.htm"
forwardlinks[13] = "chart.htm"

var backlinks = new Array
backlinks[1] = "level2_view4_3.htm"
backlinks[2] = "level2_view4_2.htm" 
backlinks[3] = "level2_view4_1.htm"
backlinks[4] = "level2_view3_3.htm"
backlinks[5] = "level2_view3_2.htm"
backlinks[6] = "level2_view3_1.htm"
backlinks[7] = "level2_view2_3.htm"
backlinks[8] = "level2_view2_2.htm"
backlinks[9] = "level2_view2_1.htm"
backlinks[10] = "level2_view1_3.htm"
backlinks[11] = "level2_view1_2.htm"
backlinks[12] = "level2_view1_1.htm"
backlinks[13] = "chart.htm"

function chgForward(){
var next;
next = 1;
if (window.location.href.indexOf(forwardlinks[1]) != -1)
{next=1}
else if (window.location.href.indexOf(forwardlinks[2]) != -1)
{next=2}
else if (window.location.href.indexOf(forwardlinks[3]) != -1)
{next=3}
else if (window.location.href.indexOf(forwardlinks[4]) != -1)
{next=4}
else if (window.location.href.indexOf(forwardlinks[5]) != -1)
{next=5}
else if (window.location.href.indexOf(forwardlinks[6]) != -1)
{next=6}
else if (window.location.href.indexOf(forwardlinks[7]) != -1)
{next=7}
else if (window.location.href.indexOf(forwardlinks[8]) != -1)
{next=8}
else if (window.location.href.indexOf(forwardlinks[9]) != -1)
{next=9}
else if (window.location.href.indexOf(forwardlinks[10]) != -1)
{next=10}
else if (window.location.href.indexOf(forwardlinks[11]) != -1)
{next=11}
else if (window.location.href.indexOf(forwardlinks[12]) != -1)
{next=12}
else if (window.location.href.indexOf(forwardlinks[13]) != -1)
{next=13}

if (next < 14){
next++;
}
else{
next = 1;
}
window.location.href = forwardlinks[next]
}

function chgBack(){
var previous;
previous = 1;
if (window.location.href.indexOf(backlinks[1]) != -1)
{previous=1}
else if (window.location.href.indexOf(backlinks[2]) != -1)
{previous=2}
else if (window.location.href.indexOf(backlinks[3]) != -1)
{previous=3}
else if (window.location.href.indexOf(backlinks[4]) != -1)
{previous=4}
else if (window.location.href.indexOf(backlinks[5]) != -1)
{previous=5}
else if (window.location.href.indexOf(backlinks[6]) != -1)
{previous=6}
else if (window.location.href.indexOf(backlinks[7]) != -1)
{previous=7}
else if (window.location.href.indexOf(backlinks[8]) != -1)
{previous=8}
else if (window.location.href.indexOf(backlinks[9]) != -1)
{previous=9}
else if (window.location.href.indexOf(backlinks[10]) != -1)
{previous=10}
else if (window.location.href.indexOf(backlinks[11]) != -1)
{previous=11}
else if (window.location.href.indexOf(backlinks[12]) != -1)
{previous=12}
else if (window.location.href.indexOf(backlinks[13]) != -1)
{previous=13}

if (previous < 14){
previous++;
}
else{
previous = 1;
}
window.location.href = backlinks[previous]
}
//-->