/* Drop Down Toggle */

var y = 0;

function updateposition() {
  var localy = y;
  if (self.pageYOffset) { // all except Explorer
    y = self.pageYOffset;
  } else if (document.documentElement && document.documentElement.scrollTop) {
    // Explorer 6 Strict
    y = document.documentElement.scrollTop;
  } else if (document.body) { // all other Explorers
    y = document.body.scrollTop;
  }
  return localy;
}

function toggle(hide, show) {
 if(document.getElementById) {
   document.getElementById(show).style.display = "block";
   document.getElementById(hide).style.display = "none"
   scroll(0,updateposition());
 }
}

function toggletip(span, img) {
  if (document.getElementById) {
    if (document.getElementById(span).style.display != "block") {
      document.getElementById(span).style.display = "block";
      document.getElementById(img).src = "/images/toggle-off.png"
    } else {
      document.getElementById(span).style.display = "none";
      document.getElementById(img).src = "/images/toggle-on.png"
    }
  }
}