function findPosY(obj){
  var curtop = 0; 
  if (obj.offsetParent){
    while (obj.offsetParent){
      curtop += obj.offsetTop 
      obj = obj.offsetParent; 
    }
  }else if (obj.y){
	  curtop += obj.y;
	}
  return curtop; 
}


function toggleMenu(obj){
  toggleClass('DIV', 'tealtext11bv', 'purpletext11b')
  obj.className='tealtext11bv';
}

// toggleClass: given an element type, current class and new class, apply the
// new class to all elemnts of the type and current class
// args:
//  t - type of tag to check for (e.g., SPAN)
//  c - class name
//  v - value

function toggleClass(t,c,v){
  var ie = (document.all) ? true : false;
  var elements;
  if(t == '*') {
    // '*' not supported by IE/Win 5.5 and below
    elements = (ie) ? document.all : document.getElementsByTagName('*');
  } else {
    elements = document.getElementsByTagName(t);
  }
  for(var i = 0; i < elements.length; i++){
    var node = elements.item(i);
    for(var j = 0; j < node.attributes.length; j++) {
      if(node.attributes.item(j).nodeName == 'class') {
        if(node.attributes.item(j).nodeValue == c) {
                node.attributes.item(j).nodeValue = v;
        }
      }
    }
  }
}