// Product options form

if($('prodAmmount')){
	$('prodTotalPrice').value = parseInt($F('prodPrices')) * parseInt($F('prodAmmount'));
	
	$('prodAmmount').observe('keyup',function(e){
		if(parseInt($F('prodAmmount'))){
			$('prodTotalPrice').value = parseInt($F('prodPrices')) * parseInt($F('prodAmmount'));
		}
		else{
			$('prodTotalPrice').value = '';
		}
	});
	
	$('prodOptions').observe('change', function(){
		$('prodPrices').options[this.selectedIndex].selected = true;
		$('prodTotalPrice').value = parseInt($F('prodPrices')) * parseInt($F('prodAmmount'));
	});
	
	$('prodAmmount').observe('click',function(e){
		if($('prodAmmount').getValue() == 1){
			$('prodAmmount').value = "";
			$('prodTotalPrice').value = '';
		}
	});
	
	$('prodAmmount').observe('blur',function(e){
		if($('prodAmmount').value == ""){
			$('prodAmmount').value = 1;
			$('prodTotalPrice').value = parseInt($F('prodPrices')) * parseInt($F('prodAmmount'));
		}
	});
}