function init_side_nav() {
  var side_nav_links = document.getElementById('side_nav').getElementsByTagName('a');
  for(i in side_nav_links) {
    if(no_activate_side_link != i) side_nav_links[i].onmouseover = activate_side_nav_links;
    if(no_activate_side_link != i) side_nav_links[i].onmouseout = inactivate_side_nav_links;
    
    if(no_activate_side_link == i) {
      side_nav_links[i].style.background = "url('images/side_nav_maple_hover.jpg') 5px 5px rgb(248, 255, 248) no-repeat";
      side_nav_links[i].style.border = "solid 1px rgb(72, 107, 87)";
      }
    }
  }

function activate_side_nav_links() {
  this.style.background = "url('images/side_nav_maple_hover.jpg') 5px 5px rgb(248, 255, 248) no-repeat";
  this.style.border = "solid 1px rgb(72, 107, 87)";
  }
  
function inactivate_side_nav_links() {
  this.style.background = "url('images/side_nav_maple.jpg') 5px 5px rgb(210, 224, 207) no-repeat";
  this.style.border = "solid 1px rgb(210, 224, 207)";
  }



/*    if(no_activate_side_link == i) {
      side_nav_links[i].style.background = "url('images/side_nav_maple_hover.jpg') 5px 5px rgb(248, 255, 248) no-repeat";
      side_nav_links[i]style.border = "solid 1px rgb(72, 107, 87)";
      
      if(no_activate_side_link != i) 
      }*/