function subtotal(sm, med, lrg, sub, price)
{
	var small=document.getElementById(sm).value;
	var medium=document.getElementById(med).value;
	var large=document.getElementById(lrg).value;

	var price=price*1.00;
	var small=small*1;
	var medium=medium*1;
	var large=large*1;
	
	var total=small+medium+large;
	var subvalue=price*total;
	var subvalue=subvalue.toFixed(2);
	var subvalue='$' +subvalue;

	var subtotal=document.getElementById(sub);
	subtotal.value=subvalue;

}