function updatePrice(){
	price=parseFloat(document.addBasket.elements["price"].value);
	for(i=0; i<document.addBasket.elements.length; i++){
		if(document.addBasket.elements[i].type=="select-one"){
			var selectedText=document.addBasket.elements[i].options[document.addBasket.elements[i].selectedIndex].text;
			var place=selectedText.indexOf('\u00A3');
			if (place!=-1){
				if (selectedText.charAt(place-1)=='+'){
					price=price+parseFloat(selectedText.substring(place+1,selectedText.length-1));
				}else{
					price=price+parseFloat(selectedText.substring(place+1,selectedText.length-1));
				}
			}
		}
	}
	document.getElementById('productPrice').innerHTML='&pound;'+price.toFixed(2)+'<small></small>';
}

function updateImage(selectBox){
	for (image in imageArray){
		if (image.toLowerCase()==selectBox.options[selectBox.selectedIndex].text.toLowerCase()){
			document.getElementById('productImage').src=imageArray[image];
		}
	}
}