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_nbGroup(event, grpName) { //v3.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    if ((nbArr = document[grpName]) != null)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = args[i+1];
      nbArr[nbArr.length] = img;
  } }
}

function outputComma(number) {
		number = '' + number
		if (number.lastIndexOf('.')>=0) {
			lines=number.split('.');
			number=lines[0];
		}
		else {
			lines[0]=number;
			lines[1]='00';
		}
		number=lines[0];
		if (number.length > 3) {
				var mod = number.length%3;
				var output = (mod > 0 ? (number.substring(0,mod)) : '');
				for (i=0 ; i < Math.floor(number.length/3) ; i++) {
						if ((mod ==0) && (i ==0))
								output+= number.substring(mod+3*i,mod+3*i+3);
						else
								output+= ',' + number.substring(mod+3*i,mod+3*i+3);
				}
				return (output+'.'+lines[1]);
		}
		else return number+'.'+lines[1];
}

function addnoughts(amount) {
		amount -= 0;
		return (amount == Math.floor(amount)) ? amount + '.00' : (  (amount*10 == Math.floor(amount*10)) ? amount + '0' : amount);
}

function updateprice(formid) {
	var	s1=1;
	var	q=document.getElementById('prodqty'+formid).value;

	if (q != Math.round(q)) {
		alert("Only whole numbers for quantities please.");
		q=Math.round(q);
		document.getElementById('prodqty'+formid).value=q;
	}

	var	p=document.getElementById('startprice'+formid).value;
	var s=document.getElementById('prodlen'+formid);
	if (s) {
		codes=document.getElementById('lengths'+formid).value.split('!');
		s1=codes[s.selectedIndex];
	}
	var	r=Math.round(s1*p*q*100)/100;
	var	mess='&pound;'+outputComma(addnoughts(r));
	document.getElementById('price'+formid).innerHTML=mess;
}

function stripItem(li) {
	document.getElementById('qty'+li).value="0";
	document.getElementById('formBasket').submit();
}
function adjustTotals() {
	document.getElementById('formBasket').submit();
}
function SearchFormSubmit(s) {
	document.formSearch.submit();
}
function printBasket(lin) {
	newwin=window.open("printbasket.php?"+lin,'PrintBask','left=0,top=0,width=500,height=3000,toolbar=0,resizable=0,menu=0,scrollbars=0','replace=false');
}

function updateBasket() {
	var	mess, s, sh, v, j, i, q, p, r;
	s=0.00;
	j=document.getElementById('NoItems').value; // no items
	
	for (i=0;i<j;i++) {
		q=document.getElementById('qty'+i).value;
		p=document.getElementById('sprice'+i).value;  // start price
		r=Math.round(p*q*100)/100;
		mess="&pound;"+outputComma(addnoughts(r));
		s=Math.round((s+r)*100)/100;
		document.getElementById('cost'+i).innerHTML=mess;
	}
	
	mess="&pound;"+outputComma(addnoughts(s));
	document.getElementById('subtotal').innerHTML=mess;
//	sh=document.getElementById('shipping').value; // shipping
	sh=0.00;
	
	var vrate=0.2;
	var	fvat=new Date();
	
	if (fvat.getFullYear()<2011) {
	  vrate=0.175;
	}
	else {
	  if (fvat.getMonth()==0) {
	    if (fvat.getDate() < 4) {
          vrate=0.175;
		}
	  }
	}

	//##set_vat_rate
	v=Math.round((s+(sh*1))*vrate*100)/100;
	
	mess="&pound;"+outputComma(addnoughts(v));
	document.getElementById('vat').innerHTML=mess;
	s=s+v+(sh*1);
	s=Math.round(s*100)/100;
	mess="&pound;"+outputComma(addnoughts(s));
	document.getElementById('total').innerHTML=mess;
	
}

function domee() {
	newwin=window.open("flexoffer.htm",'FlexOff','left=0,top=0,toolbar=0,resizable=1,menu=0,scrollbars=1','replace=false');
}