function toggleLayer(whichLayer)
{
if (document.getElementById)
{
var style2 = document.getElementById(whichLayer).style;
style2.display = style2.display? "":"block";
}
else if (document.all)
{
var style2 = document.all[whichLayer].style;
style2.display = style2.display? "":"block";
}
else if (document.layers)
{
var style2 = document.layers[whichLayer].style;
style2.display = style2.display? "":"block";
}
}
function move_up() {
document.getElementById('contentwrapper').scrollTop -= 100;
}
function move_down() {
document.getElementById('contentwrapper').scrollTop += 100;
}