// Client-side JavaScript Functions

function fmtPrice(amount) 
{
	var i = parseFloat(amount*(120.00/100));
	if(isNaN(i)) { i = 0.00; }
	var minus = '';
	if(i < 0) { minus = '-'; }
	i = Math.abs(i);
	i = parseInt((i + .005) * 100);
	i = i / 100;
	s = new String(i);
	if(s.indexOf('.') < 0) { s += '.00'; }
	if(s.indexOf('.') == (s.length - 2)) { s += '0'; }
	s = minus + '£' + s;
	return s;
}

function specifierSUM() {
	var specPrice = 0;
	itemArray = new Array();
	specPrice += selectedRadio(specifier.lra);
	specPrice += selectedRadio(specifier.stock);
	specPrice += selectedRadio(specifier.trigger);
	specPrice += selectedRadio(specifier.grip);
	specPrice += selectedRadio(specifier.safety);
	specPrice += selectedRadio(specifier.magrel);
	specPrice += selectedRadio(specifier.boltrel);
	specPrice += selectedRadio(specifier.mag);
	specPrice += selectedRadio(specifier.ura);
	specPrice += selectedRadio(specifier.forend);
	specPrice += selectedRadio(specifier.barrel);
	specPrice += selectedRadio(specifier.assembly);
	specPrice += boxTot(specifier.extras);
	specifier.total.value = fmtPrice(specPrice);
	floatingTot.innerHTML = fmtPrice(specPrice);

//	itemArray[itemArray.length] = specifier.stud.id; 
//	itemArray[itemArray.length] = specifier.proof.id; 

	specifier.itemsArray.value = itemArray;
}

function selectedRadio(thisRadio) {
	var radio=0;
	for (i = 0; i <thisRadio.length; i++)
	{
		if (thisRadio[i].checked) { 
			radio = eval(thisRadio[i].value); 
			itemArray[itemArray.length] = thisRadio[i].id; 
		}
	}
	return(radio);
}

function boxTot(thisBox) {
	var boxTotal = 0;
	for (var i = 0; i < thisBox.length; i++) 
	{
		if (thisBox[i].checked) { 
			boxTotal += eval(thisBox[i].value); 
			itemArray[itemArray.length] = thisBox[i].id; 
		}
	}
	return(boxTotal);
}

function checkEmpty(box) {
	if (box.value) { return true; }
	return false;
}

function specpop(cat_id)
{
	if (! window.focus) { return true; }
	var href = "/popup.php?cat_id=" + cat_id;
	window.open(href, 'popup', 'width=500,height=500,scrollbars=yes,resizeable=yes');
	return false;
}