function calculate_handling(){
	var amount=document.getElementById("amount").value;
	amount=amount.replace(/^\$/, "");
	amount=Number(amount);
	var handling2=Math.round(amount*0.03*100)/100;
	var total=amount+handling2;
	handling2=handling2.toFixed(2);
	total=total.toFixed(2);
	total="$"+total;
	handling2="$"+handling2;
	amount="$"+amount.toFixed(2);
	document.getElementById("amount").value=total;
	document.getElementById("results").innerHTML="<label for=\"handling2\">Handling Charge</label><span id=\"handling2\">"+handling2+"</span><br /><label for=\"total\">Total Payment</label><span id=\"total\">"+total+"</span>";
}