Xoffset=-10;  
Yoffset= 20;   

var dek = document.getElementById('dek');
var skn = dek.style;
var xxx = 0; 
var yyy = 0; 

document.onmousemove=get_mouse;

function show_alt(message){
  xxx = 0;
  yyy = 0;

  // message
  content = '<div class="alttext">'+message+'</div>';

  yyy=Yoffset;

  dek.innerHTML = content;
  skn.display = "block";
}

function get_mouse(e){
  if (browser.isIE) {
    skn.left=event.x+document.body.scrollLeft+Xoffset+xxx;
    skn.top=event.y+document.body.scrollTop+yyy;
  } else {
    skn.left=e.pageX+Xoffset+xxx;
    skn.top=e.pageY+yyy;
  }

}

function kill(){
  skn.display = "none";
}