function makeChoice()

{
	if( document.clientform.payment5.checked == true )
		{
			document.clientform.otherChoice.disabled=false;
			document.clientform.otherChoice.focus();
		}
		else
		{
			document.clientform.otherChoice.disabled=true;
		}
}

function validation()
{
	var detail=document.clientform.Detail;
	var pay=document.clientform.payment;
	var buyer=document.clientform.BuyerName;
	var shp_add=document.clientform.ShippingAddress;
	var phone=document.clientform.Phone;
	
	if(detail.value=='')
	{
		alert('Please Enter Detail');
		document.clientform.Detail.focus();
		return false;
	}
	
	if(document.clientform.payment1.checked==false && document.clientform.payment2.checked==false && document.clientform.payment3.checked==false && document.clientform.payment4.checked==false && document.clientform.payment5.checked==false)
	{
		alert("Please select atleast one option");
		return false;
	}
	if(buyer.value=='' || buyer.value=='Buyer Name')
	{
		alert('Please Enter Buyer Name');
		document.clientform.BuyerName.focus();
		return false;
	}
	if(buyer.value=='' || buyer.value=='Buyer Email')
	{
		alert('Please Enter Buyer Email');
		document.clientform.BuyerEmail.focus();
		return false;
	}
	if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(clientform.BuyerEmail.value)))
		{
			alert("Please Enter a valid Email Address!");
			clientform.BuyerEmail.focus();
			return false;
		}
	if(shp_add.value=='' || shp_add.value=='Shipping Address')
	{
		alert('Please Enter Shipping Address');
		document.clientform.ShippingAddress.focus();
		return false;
	}
	
	if(phone.value=='' || phone.value=='Phone Number')
	{
		alert('Please Enter Phone Number');
		document.clientform.Phone.focus();
		return false;
	}
	
	if(isNaN(phone.value))
	{
		alert("Enter Valid Phone Number");
		phone.focus();
		return false;
	}
	
	return true;
	
}