function toggleDiv(divId)
{
	obj = document.getElementById(divId);
	if(obj.style.display == "block")
		obj.style.display = "none";
	else
		obj.style.display = "block";
}
function showDiv(divId, type)
{
	document.getElementById(divId).style.display = type;
}
function hideDiv(divId)
{
	document.getElementById(divId).style.display = "none";
}
String.prototype.ucWords = function(){
     return this.toLowerCase().replace(/\w+/g,function(s){
          return s.charAt(0).toUpperCase() + s.substr(1);
     })
}

var interval1, interval2;
function selectInsurance(vasId, typeId)
{
	if(typeId != 1) // return true if we haven't got insurance...
		return true;
	var selectDiv = document.getElementById("chooseinsurance");
	if(!selectDiv)
		return true;
		
	document.getElementById("insuranceid").value = vasId;
	//document.getElementById("choseninsurancename").innerHTML = handsetName;
	showDiv("chooseinsurance", "block");
	checkScroll("chooseinsurance");
	interval1 = window.setInterval("checkScroll('chooseinsurance')", 500);
	if(navigator.userAgent.indexOf('MSIE')>=0)
	{
		showDiv("chooseinsuranceIframeObj", "block");
		checkScroll("chooseinsuranceIframeObj");
		interval2 = window.setInterval("checkScroll('chooseinsuranceIframeObj')", 500);
	}
	return false;
	
}	
function selectHandset(handsetId, handsetName)
{
	/*
	if the customer has not selected their plan type, then get them to,
	otherwise return true	
	*/
		
	var selectDiv = document.getElementById("choosecontract");
	if(!selectDiv)
		return true;
		
	document.getElementById("chosenhandsetid").value = handsetId;
	document.getElementById("chosenhandsetname").innerHTML = handsetName;
	showDiv("choosecontract", "block");
	checkScroll("choosecontract");
	interval1 = window.setInterval("checkScroll('choosecontract')", 500);
	if(navigator.userAgent.indexOf('MSIE')>=0)
	{
		showDiv("choosecontractIframeObj", "block");
		checkScroll("choosecontractIframeObj");
		interval2 = window.setInterval("checkScroll('choosecontractIFrameObj')", 500);
	}
	return false;
}

function checkScroll(divId)
{
	var divObj = document.getElementById(divId);
    divObj.style.top = Math.round((document.documentElement.clientHeight/2)-(divObj.style.height/2)+document.documentElement.scrollTop)+'px';
    divObj.style.left = Math.round((document.documentElement.clientWidth/2)-(divObj.style.width/2))+"px";
}

function setHandsetImage(imageRef, caption, rootRef)
{
	var imageObj = document.getElementById("mainhandsetimage");
	if(imageObj)
	{
		imageObj.src = rootRef + "/uploadedimages/large_" + imageRef;
		imageObj.alt = caption;
		var linkObj = document.getElementById("viewlargerimage");
		linkObj.href = rootRef + "/uploadedimages/original_" + imageRef;		
	}
	
}


function toggleCheckbox(checkId)
{
	var box = document.getElementById(checkId);
	box.checked = box.checked ? false : true;
}
function toggleMultipleCheckbox(value, checkIdList)
{
	var element;
	var elementList = checkIdList.split(",");
	for(var j = 0; j < elementList.length; j++)
	{	
		element = document.getElementById(elementList[j]);
		element.checked = value ? true : false;	
	}
}

function changeImageSrc(targetId, zoomImageId, imageDir, imageSrc)
{
	imageObj = document.getElementById(targetId);
	linkObj = document.getElementById(zoomImageId);
	if(imageObj)
		imageObj.src = imageDir + "large_" + imageSrc;
	if(linkObj)
		linkObj.href = imageDir + "original_" + imageSrc;
	return false;
}

function submitCompareForm()
{
	var formObj = document.getElementById('compareForm');
	if(!formObj) return false;
	
	var counter = 0;
	if(formObj.comparelist)
	{
		for(var i=0;i<formObj.comparelist.length;i++)
		{
			if(formObj.comparelist[i].checked)
			{
				counter++;
			}
		}
	}
	if(counter > 1)
	{
		formObj.submit();
	}
	else
	{
		alert("You must select at least 2 handsets to compare");
	}
	return;
}

if(document.all)
{
try {
document.execCommand("BackgroundImageCache", false, true);
} catch(err) {}
}



/***********************************************
* Ultimate Fade-In Slideshow (v1.5): © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
 
var fadebgcolor="white"

////NO need to edit beyond here/////////////
 
var fadearray=new Array() //array to cache fadeshow instances
var fadeclear=new Array() //array to cache corresponding clearinterval pointers
 
var dom=(document.getElementById) //modern dom browsers
var iebrowser=document.all
 
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
this.pausecheck=pause
this.mouseovercheck=0
this.delay=delay
this.degree=10 //initial opacity degree (10%)
this.curimageindex=0
this.nextimageindex=1
fadearray[fadearray.length]=this
this.slideshowid=fadearray.length-1
this.canvasbase="canvas"+this.slideshowid
this.curcanvas=this.canvasbase+"_0"
if (typeof displayorder!="undefined")
theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
this.theimages=theimages
this.imageborder=parseInt(borderwidth)
this.postimages=new Array() //preload images
for (p=0;p<theimages.length;p++){
this.postimages[p]=new Image()
this.postimages[p].src=theimages[p][0]
}
 
var fadewidth=fadewidth+this.imageborder*2
var fadeheight=fadeheight+this.imageborder*2
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>')
else
document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
this.startit()
else{
this.curimageindex++
setInterval("fadearray["+this.slideshowid+"].rotateimage(10)", this.delay)
}
}

function fadepic(obj){
if (obj.degree<100){
obj.degree+=10
if (obj.tempobj.filters&&obj.tempobj.filters[0]){
if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
obj.tempobj.filters[0].opacity=obj.degree
else //else if IE5.5-
obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"
}
else if (obj.tempobj.style.MozOpacity)
obj.tempobj.style.MozOpacity=obj.degree/101
else if (obj.tempobj.style.KhtmlOpacity)
obj.tempobj.style.KhtmlOpacity=obj.degree/100
else if (obj.tempobj.style.opacity&&!obj.tempobj.filters)
obj.tempobj.style.opacity=obj.degree/101
}
else{
clearInterval(fadeclear[obj.slideshowid])
obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1"
obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
obj.populateslide(obj.tempobj, obj.nextimageindex)
obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
setTimeout("fadearray["+obj.slideshowid+"].rotateimage(10)", obj.delay)
}
}
 
fadeshow.prototype.populateslide=function(picobj, picindex){
var slideHTML=""
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'
slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML+='</a>'
picobj.innerHTML=slideHTML
}
 
 
fadeshow.prototype.rotateimage=function(deg){
if (this.pausecheck==1) //if pause onMouseover enabled, cache object
	var cacheobj=this
if (this.mouseovercheck==1)
{
	setTimeout(function(){cacheobj.rotateimage()}, 100)
}	
else if (iebrowser&&dom||dom){
this.resetit(deg)
var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
crossobj.style.zIndex++
fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"
}
else{
var ns4imgobj=document.images['defaultslide'+this.slideshowid]
ns4imgobj.src=this.postimages[this.curimageindex].src
}
this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0
}
 
fadeshow.prototype.resetit=function(deg){
this.degree=deg;
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
if (crossobj.filters&&crossobj.filters[0]){
if (typeof crossobj.filters[0].opacity=="number") //if IE6+
crossobj.filters(0).opacity=this.degree
else //else if IE5.5-
crossobj.style.filter="alpha(opacity="+this.degree+")"
}
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=this.degree/101
else if (crossobj.style.KhtmlOpacity)
crossobj.style.KhtmlOpacity=this.degree/100
else if (crossobj.style.opacity&&!crossobj.filters)
crossobj.style.opacity=this.degree/101
}
 
 
fadeshow.prototype.startit=function(){
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
// Added by James Crooke so that the first image does not fade in
this.populateslide(crossobj, this.curimageindex);
crossobj.style.filter="alpha(opacity=100)";
crossobj.degree = 100;
if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
var cacheobj=this
var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid)
crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
}
// added the parameter to this function and resetit (this is the degree of opacity)
this.rotateimage(100)
}