//Last Modified Date Code ***************
function formatdate(date)
{
 var d = date.getDate();
 var m = date.getMonth() + 1;
 var y = date.getYear();
 // handle different year values returned by IE and NS in year 2000.
 if(y >= 2000)
 {
 y -= 2000;
 }
 if(y >= 100)
 {
 y -= 100;
 }
 var mmm = 
 ( 1==m)?'January':( 2==m)?'February':(3==m)?'March':
 ( 4==m)?'April':( 5==m)?'May':(6==m)?'June':
 ( 7==m)?'July':( 8==m)?'August':(9==m)?'September':
 (10==m)?'October':(11==m)?'November':'December';
 return "" + mmm + " " + (d<10?"0"+d:d) + ", 20" + (y<10?"0"+y:y);
}
function date_lastmodified()
{
 var lmd = document.lastModified;
 var s = "Unknown";
 var d1;
 // check for valid date
 if(0 != (d1=Date.parse(lmd)))
 {
 s = '<P ALIGN="Center"><CENTER><FONT SIZE=2>Last revised: ' + formatdate(new Date(d1)) + '.</FONT></CENTER>';
 }
 return s;
}
//End Date Code **************************************************



//Balloon Tooltip Code *************************************************
//Rich HTML Balloon Tooltip: http://www.dynamicdrive.com/dynamicindex5/balloontooltip.htm
//Created: September 10th, 2006

var disappeardelay=250  //tooltip disappear delay (in miliseconds)
var verticaloffset=0 //vertical offset of tooltip from anchor link, if any
var enablearrowhead=1 //0 or 1, to disable or enable the arrow image
var arrowheadimg=["/arrowdown.gif", "/arrowup.gif"] //path to down and up arrow images
//Note: because the path is set from the root, the image will not be found ahd displayed when when the page is viewed from the hard drive file, but it will work at the site itself (assuming images are in root directory of site)
var arrowheadheight=11 //height of arrow image (amount to reveal)

/////No further editting needed

var ie=document.all
var ns6=document.getElementById&&!document.all
verticaloffset=(enablearrowhead)? verticaloffset+arrowheadheight : verticaloffset

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){
dropmenuobj.style.left=dropmenuobj.style.top="-500px"
if (e.type=="mouseover")
obj.visibility="visible"
}

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

function clearbrowseredge(obj, whichedge){
if (whichedge=="rightedge"){
edgeoffsetx=0
var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffsetx=dropmenuobj.contentmeasure-obj.offsetWidth
return edgeoffsetx
}
else{
edgeoffsety=0
var topedge=ie && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure) //move up?
edgeoffsety=dropmenuobj.contentmeasure+obj.offsetHeight+(verticaloffset*2)
return edgeoffsety
}
}

function displayballoontip(obj, e){ //main ballooon tooltip function
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
if (typeof dropmenuobj!="undefined") //hide previous tooltip?
dropmenuobj.style.visibility="hidden"
clearhidemenu()
//obj.onmouseout=delayhidemenu
dropmenuobj=document.getElementById(obj.getAttribute("rel"))
showhide(dropmenuobj.style, e)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")+verticaloffset
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
if (enablearrowhead)
displaytiparrow()
}

function displaytiparrow(){ //function to display optional arrow image associated with tooltip
tiparrow=document.getElementById("arrowhead")
tiparrow.src=(edgeoffsety!=0)? arrowheadimg[0] : arrowheadimg[1]
var ieshadowwidth=(dropmenuobj.filters && dropmenuobj.filters[0])? dropmenuobj.filters[0].Strength-1 : 0
//modify "left" value depending on whether there's no room on right edge of browser to display it, respectively
tiparrow.style.left=(edgeoffsetx!=0)? parseInt(dropmenuobj.style.left)+dropmenuobj.offsetWidth-tiparrow.offsetWidth-10+"px" : parseInt(dropmenuobj.style.left)+5+"px"
//modify "top" value depending on whether there's no room on right edge of browser to display it, respectively
tiparrow.style.top=(edgeoffsety!=0)? parseInt(dropmenuobj.style.top)+dropmenuobj.offsetHeight-tiparrow.offsetHeight-ieshadowwidth+arrowheadheight+"px" : parseInt(dropmenuobj.style.top)-arrowheadheight+"px"
tiparrow.style.visibility="visible"
}

function delayhidemenu(){
delayhide=setTimeout("dropmenuobj.style.visibility='hidden'; dropmenuobj.style.left=0; if (enablearrowhead) tiparrow.style.visibility='hidden'",disappeardelay)
}

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

function reltoelement(linkobj){ //tests if a link has "rel" defined and it's the ID of an element on page
var relvalue=linkobj.getAttribute("rel")
return (relvalue!=null && relvalue!="" && document.getElementById(relvalue)!=null && document.getElementById(relvalue).className=="balloonstyle")? true : false
}

function initalizetooltip(){
var all_links=document.getElementsByTagName("a")
if (enablearrowhead){
tiparrow=document.createElement("img")
tiparrow.setAttribute("src", arrowheadimg[0])
tiparrow.setAttribute("id", "arrowhead")
document.body.appendChild(tiparrow)
}
for (var i=0; i<all_links.length; i++){
if (reltoelement(all_links[i])){ //if link has "rel" defined and it's the ID of an element on page
all_links[i].onmouseover=function(e){
var evtobj=window.event? window.event : e
displayballoontip(this, evtobj)
}
all_links[i].onmouseout=delayhidemenu
}
}
}

if (window.addEventListener)
window.addEventListener("load", initalizetooltip, false)
else if (window.attachEvent)
window.attachEvent("onload", initalizetooltip)
else if (document.getElementById)
window.onload=initalizetooltip
//End Balloon Tooltip Code ***********************************************