var lastCur = 1;
var currencySymbol = "£";

function formatCurrency(s){
	p=s.toString();
	if(p.indexOf(".")>-1){
		var a = p.split(".");
		var pence = a[1].substr(0,2);
		if(pence.length==1){
			pence = pence + "0";
		}
		t = a[0].toString() + "." + pence;
	}
	return t
}

function reviewWindow(url){
reviewWindow=window.open(url,'reviewWindow', 'width=400,height=350,top=5,left=5,scrollbars=1,resizable=1')
reviewWindow.focus();
}
function switchCurrency(q){
if(!document.getElementById)return;
var a = q.split("|")
if(document.getElementById("OldResults")){d=document.getElementById("OldResults");}
else{d=document.getElementById("Results")}
s=d.getElementsByTagName("TD");
for(i=0;i<s.length;i++){
t=s[i].innerHTML.substr(1,s[i].length);
if(!isNaN(t)){
	x = t * (1/lastCur)
	s[i].innerHTML = a[1] + formatCurrency(a[0] * x);
}
}
d=document.getElementById("Table1");
s=d.getElementsByTagName("TD");
for(i=0;i<s.length;i++){
t=s[i].innerHTML.substr(1,s[i].length);
if(!isNaN(t)){
	x = t * (1/lastCur)
	s[i].innerHTML = a[1] + formatCurrency(a[0] * x);
}
}
lastCur = a[0];
currencySymbol = a[1];
}
function findIt(logo, charge){
	for(i=0;i<14;i++){
		w = myA[i + '0'];
		if (logo.indexOf(w) > - 1){
			cost = myA[i.toString() + charge];
			break;	
		}
	}
	return cost;
}
function doShip(s){
if(!document.getElementById)return;
	var dest = s;
	if(!document.getElementById("OldResults")){
		d=document.getElementById("Results");
	}
else{d=document.getElementById("OldResults");}
var t= d.getElementsByTagName("TD");
for(y=4;y<t.length;y+=4){
		charge = findIt(t[y].innerHTML,dest);
		//if(!IsNaN([y+2].innerText)){
			h=t[y+2].innerText;
			h=h.substr(1,h.length);
			h=h * (1/lastCur);
			total = parseFloat(h) + parseFloat(charge);
			total = formatCurrency(total * lastCur);
			t[y+3].innerText = currencySymbol + total.toString();
		//}
	}
	//d=document.getElementById("Table1");
	//var t= d.getElementsByTagName("TD");
	//for(y=4;y<t.length;y+=4){
	//	charge = findIt(t[y].innerHTML,dest);
	//	h=t[y+2].innerText;
	//	h=h.substr(1,h.length);
	//	h=h * (1/lastCur);
	//	total = parseFloat(h) + parseFloat(charge);
	//	total = formatCurrency(total * lastCur);
	//	t[y+3].innerText = currencySymbol + total.toString();
	//}
	document.getElementById("note").style.display=(s=="7")?"none":"block";
}

function checkISBN(f){
	if(f.what.selectedIndex==2){
		var a = f.search.value;
		a=a.replace(/-/g,"");
		a=a.replace(/ /g,"");
		if(a.length!=10){
			f.textfield.focus();
			alert("Please enter a valid ISBN");
			return false;
		}
		else{
			f.textfield.value=a;
		}
	}
	return true;
}
function checkForm(f){
	var ok = false;
	for(i=0;i<f.elements.length;i++){
	if(f.elements[i].type=='text' && f.elements[i].value !='')ok=true;
	}
	if(ok==true)return true;
	else{
		f.elements[0].focus();
		alert("Please fill in at least one form field")
		return false;
		}
	}

function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function P7_autoLayers() { //v1.4 by PVII
 var g,b,k,f,args=P7_autoLayers.arguments;a=parseInt(args[0]);if(isNaN(a))a=0;
 if(!document.p7setc){p7c=new Array();document.p7setc=true;for(var u=0;u<10;u++){
 p7c[u]=new Array();}}for(k=0;k<p7c[a].length;k++){if((g=MM_findObj(p7c[a][k]))!=null){
 b=(document.layers)?g:g.style;b.visibility="hidden";}}for(k=1;k<args.length;k++){
 if((g=MM_findObj(args[k]))!=null){b=(document.layers)?g:g.style;b.visibility="visible";f=false;
 for(var j=0;j<p7c[a].length;j++){if(args[k]==p7c[a][j]) {f=true;}}
 if(!f){p7c[a][p7c[a].length++]=args[k];}}}
}

function P7_hideDiv(evt) { //v1.3 by PVII
 var b,relT,mT=false; 
 if(document.layers){b=evt.target;if(b.p7aHide){
  b.visibility="hidden";}else{routeEvent(evt);}
 }else if(document.all&&!window.opera){b=event.srcElement;
  while(b!=null){if(b.tagName=="DIV" && b.p7ahD){mT=true;break;}b=b.parentElement;}
  if(!b.contains(event.toElement)){b.style.visibility="hidden";}
 }else if(document.getElementById){b=evt.currentTarget;relT=evt.relatedTarget;
  while(relT!=null){if(b==relT){mT=true;break;}
  relT=relT.parentNode;}if(!mT){b.style.visibility="hidden";}}
}

function P7_autoHide() { //v1.3 by PVII
 var i,g,args=P7_autoHide.arguments;
 for(i=0;i<args.length;i++){if((g=MM_findObj(args[i]))!=null){
  g.p7aHide=true;if(document.layers){
  g.captureEvents(Event.MOUSEOUT);}g.onmouseout=P7_hideDiv;g.p7ahD=true;}}
}

function P7_Snap() { //v2.65 by PVII
 var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,tw,q0,xx,yy,w1,pa='px',args=P7_Snap.arguments;a=parseInt(a);
 if(document.layers||window.opera){pa='';}for(k=0;k<(args.length);k+=4){
 if((g=MM_findObj(args[k]))!=null){if((el=MM_findObj(args[k+1]))!=null){
 a=parseInt(args[k+2]);b=parseInt(args[k+3]);x=0;y=0;ox=0;oy=0;p="";tx=1;
 da="document.all['"+args[k]+"']";if(document.getElementById){
 d="document.getElementsByName('"+args[k]+"')[0]";if(!eval(d)){
 d="document.getElementById('"+args[k]+"')";if(!eval(d)){d=da;}}
 }else if(document.all){d=da;}if(document.all||document.getElementById){while(tx==1){
 p+=".offsetParent";if(eval(d+p)){x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
 }else{tx=0;}}ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);tw=x+ox+y+oy;
 if(tw==0||(navigator.appVersion.indexOf("MSIE 4")>-1&&navigator.appVersion.indexOf("Mac")>-1)){
  ox=0;oy=0;if(g.style.left){x=parseInt(g.style.left);y=parseInt(g.style.top);}else{
  w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
  x=document.body.scrollLeft+event.clientX+bx;y=document.body.scrollTop+event.clientY;}}
 }else if(document.layers){x=g.x;y=g.y;q0=document.layers,dd="";for(var s=0;s<q0.length;s++){
  dd='document.'+q0[s].name;if(eval(dd+'.document.'+args[k])){x+=eval(dd+'.left');y+=eval(dd+'.top');
  break;}}}e=(document.layers)?el:el.style;xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
 if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
  xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);}
 e.left=xx+pa;e.top=yy+pa;}}}
}