document.getElementById('a_baldy').style.color='#663';
document.getElementById('a_baldyoverview').style.color='#000';

document.getElementById('a_baldyinstructors').onclick=function(){
	document.getElementById('baldyinstructors').style.display='block';
	document.getElementById('photos').style.display='block';
	document.getElementById('baldyintro').style.display='none';
	document.getElementById('baldyvideoconf').style.display='none';
	document.getElementById('a_baldyinstructors').style.color='#000';
	document.getElementById('a_baldyoverview').style.color='#663';
	document.getElementById('a_baldytechspec').style.color='#663';
	document.getElementById('a_baldycontacts').style.color='#663';
	ScrollIntoView(document.getElementById('banner'));
	return;
}
document.getElementById('a_baldyoverview').onclick=function(){
	document.getElementById('baldyinstructors').style.display='none';
	document.getElementById('baldyvideoconf').style.display='none';
	document.getElementById('baldyintro').style.display='block';
	document.getElementById('photos').style.display='block';
	document.getElementById('a_baldyinstructors').style.color='#663';
	document.getElementById('a_baldyoverview').style.color='#000';
	document.getElementById('a_baldytechspec').style.color='#663';
	document.getElementById('a_baldycontacts').style.color='#663';
	ScrollIntoView(document.getElementById('banner'));
	return;
}
document.getElementById('a_baldytechspec').onclick=function(){
	document.getElementById('baldyinstructors').style.display='none';
	document.getElementById('baldyintro').style.display='none';
	document.getElementById('baldyvideoconf').style.display='block';
	document.getElementById('photos').style.display='block';
	document.getElementById('a_baldyinstructors').style.color='#663';
	document.getElementById('a_baldyoverview').style.color='#663';
	document.getElementById('a_baldytechspec').style.color='#000';
	document.getElementById('a_baldycontacts').style.color='#663';
	ScrollIntoView(document.getElementById('banner'));
	return;
}
document.getElementById('a_baldycontacts').onclick=function(){
	document.getElementById('baldyinstructors').style.display='none';
	document.getElementById('baldyintro').style.display='none';
	document.getElementById('baldyvideoconf').style.display='none';
	document.getElementById('photos').style.display='none';
	document.getElementById('a_baldyinstructors').style.color='#663';
	document.getElementById('a_baldyoverview').style.color='#663';
	document.getElementById('a_baldytechspec').style.color='#663';
	document.getElementById('a_baldycontacts').style.color='#000';
	ScrollIntoView(document.getElementById('banner'));
	return;
}
function InView(element,margin) {
  if(!margin) margin=0;
  var Top=GetTop(element), ScrollTop=GetScrollTop();
  return !(Top<ScrollTop+margin||
    Top>ScrollTop+GetWindowHeight()-element.offsetHeight-margin);
}
function ScrollIntoView(element,bAlignTop,margin) {
  if(!margin) margin=0;
  var posY=GetTop(element);
  if(bAlignTop) posY-=margin;
  else posY+=element.offsetHeight+margin-GetWindowHeight();
  window.scrollTo(0, posY);
}
function GetWindowHeight() {
  return window.innerHeight||
    document.documentElement&&document.documentElement.clientHeight||
    document.body.clientHeight||0;
}
function GetScrollTop() {
  return window.pageYOffset||
    document.documentElement&&document.documentElement.scrollTop||
    document.body.scrollTop||0;
}
function GetTop(element) {
  var pos=0;
  do pos+=element.offsetTop
  while(element=element.offsetParent);
  return pos;
}