/***********************************************************************
*
* setCookie -	Generic Set Cookie routine
*
* Input: sName	 -	Name of cookie to create
*	 sValue	 -	Value to assign to the cookie
*	 sExpire -	Cookie expiry date/time (optional)
*
* Returns: null
*
************************************************************************/

function setCookie(sName, sValue, sExpire) 
    {
    var sCookie = sName + "=" + escape(sValue) +"; path=/";	// construct the cookie
    if (sExpire)
    	{
    	sCookie += "; expires=" + sExpire.toGMTString();	// add expiry date if present
    	}
    document.cookie = sCookie;					// store the cookie
    return null;
    }

/***********************************************************************
*
* getCookie	-	Generic Get Cookie routine
*
* Input: sName	-	Name of cookie to retrieve
*
* Returns:		Requested cookie or null if not found
*
************************************************************************/

function getCookie(sName) 
    {
    var sCookiecrumbs = document.cookie.split("; "); 	// break cookie into crumbs array
    var sNextcrumb
    for (var i=0; i < sCookiecrumbs.length; i++) 
	{
	sNextcrumb = sCookiecrumbs[i].split("=");	// break into name and value
	if (sNextcrumb[0] == sName)			// if name matches
	    {
	     return unescape(sNextcrumb[1]); 		// return value
	    }
	}
	return null;
    }

/***********************************************************************
*
* saveReferrer -	Saves the referrer to a Cookie
*
* Input: 		nothing
*
* Returns:		null
*
************************************************************************/

function saveReferrer() 
    {
    var bSetCookie = false;
    if (parent.frames.length == 0)					// No FrameSet
		{
		bSetCookie = true;
		}
    else														// FrameSet in use
		{
		var bCatalogFrameSet = false;
		for (var nFrameId = parent.frames.length; nFrameId > 0; nFrameId--)
			{
			if (parent.frames[nFrameId - 1].name == 'CatalogBody')	// Catalog FrameSet used
				{
				bCatalogFrameSet = true;
				break;
				}
			}
		if (bCatalogFrameSet)							// Catalog FrameSet
			{
			if (window.name=='CatalogBody')			// and this is the CatalogBody frame
				{
				bSetCookie = true;
				}
			}
		else													// Not Catalog FrameSet
			{
			bSetCookie = true;
			}
		}
    if (bSetCookie)
		{
		var sUrl = document.URL;
		var nHashPos = sUrl.lastIndexOf("#");		// Look for URL anchor
		if (nHashPos > 0)									// if it exists
		    {
		    sUrl = sUrl.substring(0,nHashPos);		// then remove it
		    }
		setCookie("ACTINIC_REFERRER", sUrl);		// Emulates HTTP_REFERER
		}
	    return null;
	    }
    
saveReferrer();						// For v6 only, should be in templates for v7

/***********************************************************************
*
* CreateArray	creates an array with n elements
*
* Input: n	-	number of elements
*
* Returns:		the created array
*
************************************************************************/

function CreateArray(n)
	{
	this.length = n;
	for (var i=1; i <= n; i++)							// for all ns
		{
		this[i] = new Section();						// create a section structure
		}
	return this;											// return the created array
	}

/***********************************************************************
*
* Section	-	creates the section structure for raw section lists
*
* Input: 				nothing
*
* Returns:				nothing
************************************************************************/

function Section()
	{
	this.sURL = null;
	this.sName = null;
	this.sImage = null;
	this.nImageWidth = null;
	this.nImageHeight= null;
	this.nSectionId	= null;
	this.pChild = null;
	}
	
/***********************************************************************
*
* SwapImage			-	swaps an image to the alternative
*
* Input:	sName		-	name of the image
*
*			sAltImage	-	filename of the alternative image
*
************************************************************************/

function SwapImage(sName, sAltImage)
	{
	var nCount = 0;
	document.aSource = new Array;						// array for images
	if (document[sName] != null)						// if image name exists
		{
		document.aSource[nCount++] = document[sName];	// store image
		if(null == document[sName].sOldSrc)
			{
			document[sName].sOldSrc = document[sName].src;	// store image source
			}
		document[sName].src = sAltImage;				// change image source to alternative
		}
	}

/***********************************************************************
*
* RestoreImage		-	restores an image to the original
*
* Input: 				nothing
*
* Returns:				nothing
************************************************************************/

function RestoreImage()
	{
	var nCount, aSource = document.aSource;
	if (aSource != null)									// if array of images exists
		{
		for(nCount=0; nCount < aSource.length; nCount++)	// restore all images
			{
			if ((aSource[nCount] != null) &&
				(aSource[nCount].sOldSrc != null))	// if we stored something for this image
				{
				aSource[nCount].src = aSource[nCount].sOldSrc;	// restore the original image
				}
			}
		}
	}

/***********************************************************************
*
* PreloadImages		-	restores an image to the original
*
* Input: 				nothing
*
* Returns:				nothing
*
************************************************************************/

function PreloadImages()
	{
	if(document.images)
		{
		if(!document.Preloaded)							// preload array defined?
			{
			document.Preloaded = new Array();		// no, define it
			}
		var nCounter , nLen = document.Preloaded.length, saArguments = PreloadImages.arguments;
		for(nCounter = 0; nCounter < saArguments.length; nCounter++)	// iterate through arguments
			{
			document.Preloaded[nLen] = new Image;
			document.Preloaded[nLen++].src = saArguments[nCounter];
			}
   	}
	}
	
/***********************************************************************
*
* ShowPopUp		-	creates pop up window
*
* Input: sUrl		-	URL o page to display
*			nWidth	-	Width of window
*			nHeight	-	Height of window
*
* Returns:				nothing
*
************************************************************************/

function ShowPopUp(sUrl, nWidth, nHeight)
  	{  
	window.open(sUrl, 'ActPopup', 'width=' + nWidth + ',height=' + nHeight + ',scrollbars, resizable');
	}

function PopUp(url,ref,prop)
	{
	window.open(url,ref,prop);
	}

window.defaultStatus="Welcome to Livingaidsonline";

function addBookmark() 
	{ 
	if (window.external)
                {        
                        external.AddFavorite('http://www.livingaidsonline.co.uk','Livingaidsonline')
                }
                        else
                        {
                        alert("Sorry, this feature only works with Internet Explorer.\nNetscape users: hit CTRL+D\nOpera users: hit CTRL+T");
                        }
	 } 
         
var textOK=0;
function formChecker()
{
var eMailadd=document.vatform.emailaddress.value;
if (eMailadd.indexOf("@") !=-1 && eMailadd.indexOf(".") !=-1)
	{
	        NameChecker();
	        if (textOK==1)
	                {
	                        return true;
	                }
	                        else
	                                {
	                                return false;
	                                }
	}
                else
                        {
	                alert("Your e-mail address doesn\'t appear to be in the correct format\ne.g. myname@myserver.com.\nPlease check your entry.");
	                document.vatform.emailaddress.focus();
	                return false;
                        }
}


function NameChecker()
{
var RlName=document.vatform.customername.value;
var OrdNo=document.vatform.ordernumber.value;
if (RlName=="" || OrdNo=="")
	{
	alert("Please complete your Name and Order Number!");
	textOK=0;
	return textOK;
	}
	else
	{
	textOK=1;
	return textOK;
	}
}


// email obfuscator

function write_email(address,subject){
if(subject==null){
    subject="";
}
var emaildomain = "livingaidsonline.co.uk";
document.write('<a href=\"mailto:'+address+'@'+emaildomain+subject+'\">'+address+'@'+emaildomain+'</a>');
}

function DelCheck()
{
	var deluser = confirm('You have chosen to make an irreversible change!\nAre you absolutely sure you want to do this?');
	if (deluser)
	{
	return true;
	}
	else
	{
	return false;
	}
}


function reDirectionHelp()
{		
		var itemPos=document.top_search.topic.selectedIndex;
		var linkAddress=document.top_search.topic.options[itemPos].value;
		if (linkAddress=="title")
		{
		document.top_search.topic.options[0].selected=true;
		}
		else
		{
		document.top_search.topic.options[0].selected=true;
		document.top_search.topic.blur();
		location.href='topsearchresults.php?tn='+linkAddress;
		}
}

function NiftyCheck()
{
if(!document.getElementById || !document.createElement)
    return(false);
var b=navigator.userAgent.toLowerCase();
if(b.indexOf("msie 5")>0 && b.indexOf("opera")==-1)
    return(false);
return(true);
}

function Rounded(selector,bk,color,size){
var i;
var v=getElementsBySelector(selector);
var l=v.length;
for(i=0;i<l;i++){
    AddTop(v[i],bk,color,size);
    AddBottom(v[i],bk,color,size);
    }
}

function RoundedTop(selector,bk,color,size){
var i;
var v=getElementsBySelector(selector);
for(i=0;i<v.length;i++)
    AddTop(v[i],bk,color,size);
}

function RoundedBottom(selector,bk,color,size){
var i;
var v=getElementsBySelector(selector);
for(i=0;i<v.length;i++)
    AddBottom(v[i],bk,color,size);
}

function AddTop(el,bk,color,size){
var i;
var d=document.createElement("b");
var cn="r";
var lim=4;
if(size && size=="small"){ cn="rs"; lim=2}
d.className="rtop";
d.style.backgroundColor=bk;
for(i=1;i<=lim;i++){
    var x=document.createElement("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    d.appendChild(x);
    }
el.insertBefore(d,el.firstChild);
}

function AddBottom(el,bk,color,size){
var i;
var d=document.createElement("b");
var cn="r";
var lim=4;
if(size && size=="small"){ cn="rs"; lim=2}
d.className="rbottom";
d.style.backgroundColor=bk;
for(i=lim;i>0;i--){
    var x=document.createElement("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    d.appendChild(x);
    }
el.appendChild(d,el.firstChild);
}

function getElementsBySelector(selector){
var i;
var s=[];
var selid="";
var selclass="";
var tag=selector;
var objlist=[];
if(selector.indexOf(" ")>0){  //descendant selector like "tag#id tag"
    s=selector.split(" ");
    var fs=s[0].split("#");
    if(fs.length==1) return(objlist);
    return(document.getElementById(fs[1]).getElementsByTagName(s[1]));
    }
if(selector.indexOf("#")>0){ //id selector like "tag#id"
    s=selector.split("#");
    tag=s[0];
    selid=s[1];
    }
if(selid!=""){
    objlist.push(document.getElementById(selid));
    return(objlist);
    }
if(selector.indexOf(".")>0){  //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    }
var v=document.getElementsByTagName(tag);  // tag selector like "tag"
if(selclass=="")
    return(v);
for(i=0;i<v.length;i++){
    if(v[i].className==selclass){
        objlist.push(v[i]);
        }
    }
return(objlist);
}