// Simple follow the mouse script
function gobird(){

divName = 'bird'; // div that is to follow the mouse
                       // (must be position:absolute)
boffX = 15;          // X offset from mouse position
boffY = 15;          // Y offset from mouse position
//document.onmousemove = follow;
}

function mouseXx(evtx) {if (!evtx) evtx = window.event; if (evtx.pageX) return evtx.pageX; else if (evtx.clientX)return evtx.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); else return 0;}
function mouseYy(evtx) {if (!evtx) evtx = window.event; if (evtx.pageY) return evtx.pageY; else if (evtx.clientY)return evtx.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); else return 0;}

function follow(evtx) {if (document.getElementById) {var obj = document.getElementById(divName).style; obj.visibility = 'visible';
obj.left = (parseInt(mouseXx(evtx))+boffX) + 'px';
obj.top = (parseInt(mouseYy(evtx))+boffY) + 'px';}
}


function birdOff(){
	document.getElementById('bird').style.display='none';
	document.getElementById('birdOn').style.display='none';
	document.getElementById('birdOff').style.display='block';
	document.cookie = "showBird=0";
}
function birdOn(){
	document.getElementById('bird').style.display='block';
	document.getElementById('birdOn').style.display='block';
	document.getElementById('birdOff').style.display='none';
	document.cookie = "showBird=1";
	}


function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}