//var navigation = "static";
var navigation = "dynamic";
var topnav1 = "dynamic";
var topnav2 = "dynamic";
var topnav3 = "dynamic";
var topnav4 = "dynamic";
var topnav5 = "dynamic";
var topnav6 = "dynamic";


function custom_tickbox(onimage,offimage,imagename,inputname,offimagearray,form)
{
	if(!form)
	{
		form = document.forms[0];
	}
	var input = eval("form."+inputname);
	//alert(input.value);

	if(input.value.length==0)
	{
		MM_swapImage(imagename,'',onimage,1);
		input.value = "on";
		if(offimagearray&&offimagearray.length)
		{
			for(var i=0;i<offimagearray.length;i++)
			{
				var myimagename = offimagearray[i];
				var myinput = eval("form."+myimagename+"input");
				MM_swapImage(myimagename,'',offimage,1);
				myinput.value = "";
			}
		}
	}
	else
	{
		MM_swapImage(imagename,'',offimage,1);
		input.value = "";
	}

}

function purple_tickbox(imagename,inputname,offimagearray,form)
{
	custom_tickbox('images/home/purpletickbox_checked.gif','images/home/purpletickbox_unchecked.gif',imagename,inputname,offimagearray,form)
}



function preloadImages()  {
	MM_preloadImages(
		'images/home/purpletickbox_checked.gif',
		'images/home/purpletickbox_unchecked.gif');
}

function showtopnav(which)
{
		
		if(topnav1=="dynamic"&&navigation=="dynamic"&&which!=1) displayDiv("divTopSubNav1","hidden");
		if(topnav2=="dynamic"&&navigation=="dynamic"&&which!=2) displayDiv("divTopSubNav2","hidden");
		if(topnav3=="dynamic"&&navigation=="dynamic"&&which!=3) displayDiv("divTopSubNav3","hidden");
		if(topnav4=="dynamic"&&navigation=="dynamic"&&which!=4) displayDiv("divTopSubNav4","hidden");
		if(topnav5=="dynamic"&&navigation=="dynamic"&&which!=5) displayDiv("divTopSubNav5","hidden");
		if(topnav6=="dynamic"&&navigation=="dynamic"&&which!=6) displayDiv("divTopSubNav6","hidden");
		if(which)
		{
			if(navigation=="dynamic") displayDiv("divTopSubNav"+which,"visible"); 

		}
}

function getRefToDivname(divname,oDoc) {
    if( !oDoc ) { oDoc = document; }
    if( document.layers ) {
        if( oDoc.layers[divname] ) { return oDoc.layers[divname]; } else {
            //repeatedly run through all child layers
            for( var x = 0, y; !y && x < oDoc.layers.length; x++ ) {
                //on success, return that layer, else return nothing
                y = getRefToDivname(divname,oDoc.layers[x].document); }
            return y; } }
    if( document.all ) {
        return document.all[divname]; }
    if( document.getElementsByName ) {
        return document.getElementsByName(divname); }
    return false;
}
function getRefToDiv(divID,oDoc) {
    if( !oDoc ) { oDoc = document; }
    if( document.layers ) {
        if( oDoc.layers[divID] ) { return oDoc.layers[divID]; } else {
            //repeatedly run through all child layers
            for( var x = 0, y; !y && x < oDoc.layers.length; x++ ) {
                //on success, return that layer, else return nothing
                y = getRefToDiv(divID,oDoc.layers[x].document); }
            return y; } }
    if( document.getElementById ) {
        return document.getElementById(divID); }
    if( document.all ) {
        return document.all[divID]; }
    return false;
}
function pagerefresh()
{
	//location.href = location.reload();

}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function getImage(divname,imagename) {
	var myimage;
	if(document.getElementById)
	{
		myimage = document.getElementById(imagename);
	}
	else if(document.all)
	{
		myimage = eval("document.images."+imagename);
	}
	else if(document.layers)
	{
		myimage = eval("document.layers[\""+divname+"\"].document.images."+imagename);
		if(myimage)
		{
			return myimage;
		}
		else
		{
			var mylayer = findLayer(divname);
			if(mylayer)
			{
				myimage = eval(mylayer+".document.images."+imagename);
				if(myimage)
				{
					return myimage;
				}
			}
			alert("image not found "+divname+"/"+imagename);
		}
	}

	return myimage;
}
function getLinkObj(divname,linkname) {
	var mylink;
	if(document.getElementById)
	{
		mylink = document.getElementById(linkname);
	}
	else if(document.all)
	{
		mylink = eval("document.anchors."+linkname);
	}
	else if(document.layers)
	{
		mylink = eval("document.layers[\""+divname+"\"].document.anchors."+linkname);
		if(mylink)
		{
			return mylink;
		}
		else
		{
			var mylayer = findLayer(divname);
			if(mylayer)
			{
				mylink = eval(mylayer+".document.anchors."+linkname);
				if(mylink)
				{
					return mylink;
				}
			}
			alert("image not found "+divname+"/"+mylink);
		}
	}

	return mylink;
}
function addbookmark(){
	if(document.layers)
	{
		alert("Sorry, not supported on netscape");
	}
	bookmarkurl = location.href;
	if (window.external){
		window.external.AddFavorite(bookmarkurl,document.title);
	}
}
function setOrigin() {
	if (document.layers) {
		OriginX = document.images.pageOrigin.x;
		OriginY = document.images.pageOrigin.y;
		//document.layers["mydivname"].left = OriginX + 220;
	} else {
		OriginObj = document.images.pageOrigin;
		OriginX = findLeft(OriginObj);
		OriginY = findTop(OriginObj);
		//document.all["mydivname"].style.pixelLeft = OriginX + 220;
	}
	pageLoaded = true;
}
function setTop(objName,topVal) {
	if (document.all) {
		if(document.all[objName])
		{
			document.all[objName].style.pixelTop = topVal;
		}
	} else {
		if(document.layers[objName])
		{
			document.layers[objName].top = topVal;
		}
	}
}
function setLeft(objName,leftVal)
{
	if (document.all)
	{
		if(document.all[objName])
		{
			document.all[objName].style.pixelLeft = leftVal;
		}
	}
	else
	{
		if(document.layers[objName])
		{
			document.layers[objName].top = leftVal;
		}
	}
}

function displayDiv(divname,property)
{
	var div = getRefToDiv(divname);
	if(!div)
	{
		//alert("div not found "+divname+" "+property);
		return;
	}
	if (document.layers)
	{
		div.visibility=property;
	}
	else
	{
		div.style.visibility=property;
	}
}
function writeDiv(divID,divContent) {
	writediv(divID,divContent);
}
function writediv(divID,divContent) {
	var div = getRefToDiv(divID);
	if (document.layers)
	{
		if(div)
		{
			div.document.write(divContent);
			div.document.close();
		}
		return;
	}
	div.innerHTML = divContent;
}
function findLayer(divname)
{
	if(document.layers)
	{
		return getRefToDiv(divname);
	}
}

function findTop(obj) {
	var mytop = 0;
	parentobj = obj;
	while (parentobj = parentobj.offsetParent) {
//		alert(parentobj.tagName+" "+parentobj.offsetTop);
		if (parentobj.tagName!="TR") mytop += Math.abs(parentobj.offsetTop);
	}
	return mytop;
}
function findLeft(obj) {
	var myleft = 0;
	parentobj = obj;
	while (parentobj = parentobj.offsetParent) {
		myleft += Math.abs(parentobj.offsetLeft);
	}
	return myleft;
}

function makeArray() {
     for (i = 0; i<makeArray.arguments.length; i++)
          this[i + 1] = makeArray.arguments[i];
}

function newWindowIllnesses(url)
{
	popUp(url,500,250);
}


function popUp(URL,w,h)
{
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=" + w + ",height=" + h + "');");
}

function newWindow(URL,h)
{
if(h == 80)
{
	popUp(URL,360,200);
	return;
}


	popUp(URL,360,400);
}


function popUpHoward()
{
	popUp('http://www.brightadviser.space02.co.uk/video/howard/howard.html',655,549);
}

function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

function decode(encoded)
{
	ret = unescape(encoded.replace(/\+/g,  " "));
	return ret;
}


function onClickSelect(input,selectedcssclass) {
	if(input) {
		if(selectedcssclass) {
			input.className=selectedcssclass;
		}
		input.select();
	}
}


function toggle_visibility(id) {
       var e = document.getElementById(id);
       if(e.style.display == 'block')
          e.style.display = 'none';
       else
          e.style.display = 'block';
}