function goodForm() {
	if (!isEmpty(document.F1.listprice1.value,"Price is a required field!")) return false;
	if (!isEmpty(document.F1.listprice2.value,"Price is a required field!")) return false;
	if (!validDec(document.F1.listprice1.value,"Incorrect Price Range!")) return false;
	if (!validDec(document.F1.listprice2.value,"Incorrect Price Range!")) return false;
	if (!validDec(document.F1.sqft1.value,"Incorrect Sqft Range!")) return false;
	if (!validDec(document.F1.sqft2.value,"Incorrect Sqft Range!")) return false;
	if (!validDec(document.F1.zip.value,"Incorrect Zip!")) return false;

/*	document.F1.B1.disabled = true; */
	return true;
}

function isEmpty(input,msg) {
	if (input.length == 0)
	{
		alert(msg);
		return false;
	}
	return true;
}

function validDec(input,msg) {
	for (var i=0; i<input.length; i++)
	{
		oneChar = input.charAt(i);
		if ("0123456789".indexOf(oneChar) == -1)
		{
			alert(msg);
			return false;
		}
	}
	return true;
}