function change_cost(qty, cost){
	var discount_code = document.getElementById('discount_code').value;
	if(discount_code.toLowerCase() == decode('MbHm;&')){
		document.getElementById('coupon_alert').innerHTML = 'Your $10.00 discount coupon has been applied.';
		document.getElementById('coupon_alert').className = 'coupon_alert';
		document.getElementById('item_name').className = 'One set includes: 2 Ultimate Saw Horses TAKE10 Discount';
		cost = cost-10;
	}else{
		document.getElementById('coupon_alert').innerHTML = '';
		document.getElementById('coupon_alert').className = null;
		document.getElementById('item_name').className = 'One set includes: 2 Ultimate Saw Horses';
	}
	var num =  qty * cost;
	var total = num.toFixed(2);
	document.getElementById('unitCost').innerHTML = cost;
	document.getElementById('amount').value = cost;
	document.getElementById('priceId').innerHTML = total;
	document.getElementById('totalId').innerHTML = total;
	document.getElementById('subTotalId').innerHTML = total;
}

function change_cost_auto(){
	var qty = document.form1.new_qty.value;
	var cost = document.form1.cost.value;
	var discount_code = document.getElementById('discount_code').value;
	if(discount_code.toLowerCase() == decode('MbHm;&')){
		document.getElementById('coupon_alert').innerHTML = 'Your $10.00 discount coupon has been applied.';
		document.getElementById('coupon_alert').className = 'coupon_alert';
		document.getElementById('item_name').className = 'One set includes: 2 Ultimate Saw Horses TAKE10 Discount';
		cost = cost-10;
	}else{
		document.getElementById('coupon_alert').innerHTML = '';
		document.getElementById('coupon_alert').className = null;
		document.getElementById('item_name').className = 'One set includes: 2 Ultimate Saw Horses';
	}
	var num =  qty * cost;
	var total = num.toFixed(2);
	document.getElementById('unitCost').innerHTML = cost;
	document.getElementById('amount').value = cost;
	document.getElementById('priceId').innerHTML = total;
	document.getElementById('totalId').innerHTML = total;
	document.getElementById('subTotalId').innerHTML = total;
	setTimeout("change_cost_auto()", 500);
}