var tipwidth = '150px';           //default tooltip width
var tipbgcolor = 'white';         //tooltip bgcolor
var disappeardelay = 250;         //tooltip disappear speed onMouseout (in miliseconds)
var showdelay = 500;              //tooltip show speed onMouseover (in miliseconds)
var vertical_offset = "8px";      //horizontal offset of tooltip from anchor link
var horizontal_offset = "-3px";   //horizontal offset of tooltip from anchor link
var ie4=document.all;
var ns6=document.getElementById&&!document.all;

function getposOffset(what, offsettype) {
  var totaloffset = (offsettype == "left") ? what.offsetLeft : what.offsetTop;
  var parentEl = what.offsetParent;

  while (parentEl!=null) {
    totaloffset = (offsettype == "left") ? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
    parentEl = parentEl.offsetParent;
  }

  return totaloffset;
}

function showhide(obj, e, visible, hidden, tipwidth) {
  if (ie4 || ns6) dropmenuobj.style.left = dropmenuobj.style.top = -500;

  if (tipwidth != "") {
    dropmenuobj.widthobj = dropmenuobj.style;
    dropmenuobj.widthobj.width = tipwidth;
  }
  
  if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover")
    obj.visibility = visible;
  else if (e.type == "click")
    obj.visibility = hidden;
}


function iecompattest() { 
	return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body; 
}

function clearbrowseredge(obj, whichedge) {
  var edgeoffset = (whichedge == "rightedge") ? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1;

  if (whichedge == "rightedge") {
    var windowedge = ie4 && !window.opera ? iecompattest().scrollLeft + iecompattest().clientWidth-15 : window.pageXOffset + window.innerWidth-15;
    dropmenuobj.contentmeasure = dropmenuobj.offsetWidth;

    if (windowedge - dropmenuobj.x < dropmenuobj.contentmeasure) edgeoffset = dropmenuobj.contentmeasure - obj.offsetWidth;
  } else {
    var windowedge = ie4 && !window.opera ? iecompattest().scrollTop + iecompattest().clientHeight-15 : window.pageYOffset + window.innerHeight-18;
    dropmenuobj.contentmeasure = dropmenuobj.offsetHeight;

    if (windowedge - dropmenuobj.y < dropmenuobj.contentmeasure) edgeoffset = dropmenuobj.contentmeasure + obj.offsetHeight;
  }

  return edgeoffset;
}

function helptooltip(obj, e, tipwidth) {
   var html = '<div style=\"margin-left:3px\">' + document.getElementById( obj.id.replace( '_LABEL', '_HELP' )).innerHTML + '</div>';
   fixedtooltip(html, obj, e, tipwidth);
}

function showtip() { 
	dropmenuobj.style.visibility = "visible"; 
}

function fixedtooltip(menucontents, obj, e, tipwidth) {
  if (window.event)
    event.cancelBubble = true;
  else if (e.stopPropagation)
    e.stopPropagation();
    
  clearhidetip();
  clearshowtip();

  dropmenuobj = document.getElementById ? document.getElementById("fixedtipdiv") : fixedtipdiv;
  dropmenuobj.innerHTML = menucontents;

  if (ie4 || ns6) {
    //showhide(dropmenuobj.style, e, "visible", "hidden", tipwidth)
    // eric
    dropmenuobj.style.left = dropmenuobj.style.top = -500;

    if (tipwidth != "") {
      dropmenuobj.widthobj = dropmenuobj.style;
      dropmenuobj.widthobj.width = tipwidth;
    }
    
    if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover")
      delayshow = setTimeout("showtip()", showdelay);
    else if (e.type == "click")
      dropmenuobj.style.visibility = hidden;
    //
    dropmenuobj.x = getposOffset(obj, "left");
    dropmenuobj.y = getposOffset(obj, "top");
    dropmenuobj.style.left = dropmenuobj.x - clearbrowseredge(obj, "rightedge") + "px";
    dropmenuobj.style.top = dropmenuobj.y - clearbrowseredge(obj, "bottomedge") + obj.offsetHeight+"px";
  }
}

function hidetip(e) {
  if (typeof dropmenuobj != "undefined") {
    if (ie4 || ns6) dropmenuobj.style.visibility="hidden";
  }
}

function delayhidetip() {
  if (ie4 || ns6) {
    delayhide = setTimeout("hidetip()", disappeardelay);
    clearshowtip();
  }
}

function clearhidetip() { 
	if (typeof delayhide != "undefined") clearTimeout(delayhide); 
}

function clearshowtip() { 
	if (typeof delayshow != "undefined") clearTimeout(delayshow); 
}