function check(myform) {

	if ((document.Paypal.custom.value==null)||(document.Paypal.custom.value=="")){
		alert ("Please enter your Company Name.");
		document.Paypal.custom.focus();
		return false;
	}
	if ((document.Paypal.amount_1.value==null)||(document.Paypal.amount_1.value=="")){
		alert ("Please enter the setup fee.");
		document.Paypal.amount_1.focus();
		return false;
	}	
	if(IsUnnumeric(document.Paypal.amount_1.value)) {
		alert ("Setup fee must be numeric.");
		document.Paypal.amount_1.focus();
		return false;
	}
	var pence;
	pence = document.Paypal.amount_1.value * 100;
	pence = pence / 50;
	pence = Math.round(pence)
	pence = pence / 100;
	document.Paypal.handling_cart.value = pence - 0.01;
	return true;
}

function IsUnnumeric(sText) {
	var ValidChars = "0123456789.";
	var IsUnnumeric=false;
	var Char;
	
	for (i = 0; i < sText.length && IsUnnumeric == false; i++) 
	{ 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) 
		{
			IsUnnumeric = true;
		}
	}
	return IsUnnumeric;
}


function numbersonly(myfield, e, dec)
{
	var key;
	var keychar;
	
	if (window.event)
	   key = window.event.keyCode;
	else if (e)
	   key = e.which;
	else
	   return true;
	keychar = String.fromCharCode(key);
	
	// control keys
	if ((key==null) || (key==0) || (key==8) || 
		(key==9) || (key==13) || (key==27) )
	   return true;
	
	// numbers
	else if ((("0123456789 .+").indexOf(keychar) > -1))
	   return true;
	
	// decimal point jump
	else if (dec && (keychar == "."))
	   {
	   myfield.form.elements[dec].focus();
	   return false;
	   }
	else
	   return false;
}

function toggle() {
	myOption = -1;
	for (i=document.Express.type.length-1; i > -1; i--) {
		if (document.Express.type[i].checked) {
			myOption = i; i = -1;
		}
	}
	priceName = document.Express.type[myOption].value;
	if(priceName == "New") {
		document.getElementById("2").style.display = 'none';
		document.getElementById("1").style.display = '';
	} else {
		document.getElementById("1").style.display = 'none';
		document.getElementById("2").style.display = '';
	}
}