// JavaScript Document

//Rollover Image Swap 
window.onload = rolloverInit;

function rolloverInit() {
  for (var i = 0; i < document.images.length; i++) {
    if (document.images[i].parentNode.tagName == "A" && document.images[i].parentNode.id != "bottomNavClose") {
      setupRollover(document.images[i]);
    }
  }
  checkCookies();
}

function setupRollover(thisImage) {
  thisImage.outImage = new Image();
  thisImage.outImage.src = thisImage.src;
  thisImage.onmouseout = rollOut;

  thisImage.overImage = new Image();
  thisImage.overImage.src = "http://www.thanet-web-design.co.uk/images/" + thisImage.id + "_on.jpg";
  thisImage.onmouseover = rollOver;
}

function rollOver() {
  this.src = this.overImage.src;
}

function rollOut() {
  this.src = this.outImage.src;
}

//preload images for dropdown background
if (document.images) {
  var img1, img2, img3, img4, img5, img6, img7;
  img1 = new Image();
  img1.src = "http://www.thanet-web-design.co.uk/images/dropDownBkgd.gif";
  
  img2 = new Image();
  img2.src = "http://www.thanet-web-design.co.uk/images/dropDownBkgdOver.gif";
  
  img3 = new Image();
  img3.src = "http://www.thanet-web-design.co.uk/images/topLinksBkgd.jpg";
  
  img4 = new Image();
  img4.src = "http://www.thanet-web-design.co.uk/images/btn_quote.jpg";
  
  img5 = new Image();
  img5.src = "http://www.thanet-web-design.co.uk/images/btn_design.jpg";
  
  img6 = new Image();
  img6.src = "http://www.thanet-web-design.co.uk/images/btn_marketing.jpg";
  
  img7 = new Image();
  img7.src = "http://www.thanet-web-design.co.uk/images/btn_portfolio.jpg";
}

//Contents for Home Page menu, and so on
var menuHome=new Array()
menuHome[0]='<a href="http://www.thanet-web-design.co.uk/">Home Page</a>'

//Contents for Home Page menu, and so on
var menuContact=new Array()
menuContact[0]='<a href="http://www.thanet-web-design.co.uk/contact/">Contact Us</a>'

//Contents for Home Page menu, and so on
var menuQuote=new Array()
menuQuote[0]='<a href="http://www.thanet-web-design.co.uk/quote/">Instant Quote</a>'

//Contents for Marketing menu
var menuMarketing=new Array()
menuMarketing[0]='<a href="http://www.thanet-web-design.co.uk/distribution.htm">Distribution</a>'
menuMarketing[1]='<a href="http://www.thanet-web-design.co.uk/the3network.htm">The 3 Network</a>'

//Contents for Design menu, and so on
var menuServices=new Array()
menuServices[0]='<a href="http://www.thanet-web-design.co.uk/web-design.htm">Website Design</a>'
menuServices[1]='<a href="http://www.thanet-web-design.co.uk/leaflet-design.htm">Leaflet Design</a>'
menuServices[2]='<a href="http://www.thanet-web-design.co.uk/business-card-design.htm">Business Cards</a>'
menuServices[3]='<a href="http://www.thanet-web-design.co.uk/company-stationary-design.htm">Stationary Design</a>'
menuServices[4]='<a href="http://www.thanet-web-design.co.uk/search-engine-optimisation.htm">Optimisation</a>'

//Contents for Portfolio menu, and so on
var menuPortfolio=new Array()
menuPortfolio[0]='<a href="http://www.thanet-web-design.co.uk/portfolio-webdesign.htm">Websites</a>'
menuPortfolio[1]='<a href="http://www.thanet-web-design.co.uk/portfolio-marketing.htm">Marketing</a>'
menuPortfolio[2]='<a href="http://www.thanet-web-design.co.uk/portfolio-marketing.htm">Stationary</a>'

		
var menuwidth='100px' //default menu width
var menubgcolor='transparent'  //menu bgcolor
var disappeardelay=500  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

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, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top="-490px"
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
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=0
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 topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
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){ //move up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)

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"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

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

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

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

if (hidemenu_onclick=="yes")
document.onclick=hidemenu