/* Font resizer
var fontSizer = {
	min: 8,
	max: 18,
	el: Object,
	size: 11,
	init: function() {
		var fs = document.createElement('div');
		fs.innerHTML='<p>Select your font size<br /><span style="margin-left:10px;"><a href="javascript:fontSizer.decrease();"><img src="/images/font-dec.gif" alt="Decrease Font Size" style="border:0px;" /></a><a href="javascript:fontSizer.increase();"><img src="/images/font-inc.gif" alt="Increase Font Size" style="border:0px;" /></a></span></p>';
		$('left').appendChild(fs);
		this.el = this.collectionToArray($('content').getElementsByTagName("p"));
		this.el = this.el.concat(this.collectionToArray($('content').getElementsByTagName("li")));
		this.el = this.el.concat(this.collectionToArray($('content').getElementsByTagName("td")));
	},
	collectionToArray: function(col) {
		a = new Array();
		for (i = 0; i < col.length; i++)
			a[a.length] = col[i];
		return a;
	},
	increase: function() {
		if(this.size!=this.max) {
			this.size++;
		}
		for(i=0;i<this.el.length;i++) {
			this.el[i].style.fontSize = this.size+"px"
		}
	},
	decrease: function() {
		if(this.size!=this.min) {
			this.size--;
		}
		for(i=0;i<this.el.length;i++) {
			this.el[i].style.fontSize = this.size+"px"
		}	
	}
}

addEvent(window,'load',function() { fontSizer.init(); });
*/
// Swap chapter image
function chapter1open()
{
document.b1.src ="http://www.whatsfordinner.org.uk/images/sample-chapter/feb1.gif";
}
function chapter2open()
{
document.b2.src ="http://www.whatsfordinner.org.uk/images/sample-chapter/feb2.gif";
}
function chapter3open()
{
document.b3.src ="http://www.whatsfordinner.org.uk/images/sample-chapter/feb3.gif";
}
function chapter4open()
{
document.b4.src ="http://www.whatsfordinner.org.uk/images/sample-chapter/feb4.gif";
}
function chapter5open()
{
document.b5.src ="http://www.whatsfordinner.org.uk/images/sample-chapter/feb5.gif";
}
function chapter6open()
{
document.b6.src ="http://www.whatsfordinner.org.uk/images/sample-chapter/feb6.gif";
}

// DIV toggle
function toggleBox(szDivid, iState) {	// 1 visible, 0 hidden
	if(document.layers) {	//NN4+
		document.layers[szDivid].visibility = iState ? "show" : "hide";
		document.layers[szDivid].display = iState ? "block" : "none";
	}
	else if(document.getElementById) {	//gecko(NN6) + IE 5+
		var obj = document.getElementById(szDivid);
		obj.style.visibility = iState ? "visible" : "hidden";
		obj.style.display = iState ? "block" : "none";
	}
	else if(document.all) {	// IE 4
		document.all[szDivid].style.visibility = iState ? "visible" : "hidden";
		document.all[szDivid].style.display = iState ? "block" : "none";
	}
}


// Open window in center of screen without Scroll Bars
function openWindowSB(url,w,h){
var aw = screen.availWidth;
var ah = screen.availHeight;
var LP = (aw-w)/2, TP = (ah-h)/2;
var t=(document.layers)? ',screenX='+LP+',screenY='+TP: ',left='+LP+',top='+TP; //A LITTLE CROSS-BROWSER CODE FOR WINDOW POSITIONING
tb='no'; stb='no'; l='no'; mb='no'; sb='yes'; rs='yes';
var x=window.open(url, '', 'scrollbars='+sb+',width='+w+',height='+h+',toolbar='+tb+',status='+stb+',menubar='+mb+',links='+l+',resizable='+rs+t);
x.focus();
}


// Open window in center of screen with Scroll Bars
function openWindow(url,w,h){
var aw = screen.availWidth;
var ah = screen.availHeight;
var LP = (aw-w)/2, TP = (ah-h)/2;
var t=(document.layers)? ',screenX='+LP+',screenY='+TP: ',left='+LP+',top='+TP; //A LITTLE CROSS-BROWSER CODE FOR WINDOW POSITIONING
tb='no'; stb='no'; l='no'; mb='no'; sb='no'; rs='no';
var x=window.open(url, '', 'scrollbars='+sb+',width='+w+',height='+h+',toolbar='+tb+',status='+stb+',menubar='+mb+',links='+l+',resizable='+rs+t);
x.focus();
}