// start: form validator script
function checkForm(form){
	/*
	Use a hidden input on the submitting form called 
		required to send required field names.
	Just separate the field names with commas like this: 
		<input type="hidden" name="required" value="emailAddress,firstName,lastName">
	If you need all fields required then change the value="all"
	If you don't need the form to be validated, then don't call the script or 
		just omit the hidden input or leave the value empty.
	*/
	
	required = (form.required && form.required.value)?form.required.value:false;
	requiredFields = required.split(',');
	
	if (required && required != "all"){
		for(a=0;a<requiredFields.length;a++){
			currentName = eval("form."+requiredFields[a]+".name");
			currentValue = eval("form."+requiredFields[a]+".value");
			if(!currentValue && currentName != "emailAddress" && currentName != "email"){
				alert("You must supply information for all of the required fields.");
				eval("form."+requiredFields[a]+".value = ''");
				eval("form."+requiredFields[a]+".focus()");
				return false;
			}
			else if (currentName == "emailAddress" && (currentValue.indexOf("@") == -1 || currentValue.indexOf("\.") == -1 || currentValue.length < 5 || currentValue == "asdf@asdf.com") || currentName == "email" && (currentValue.indexOf("@") == -1 || currentValue.indexOf("\.") == -1 || currentValue.length < 5 || currentValue == "asdf@asdf.com")){
				alert("You must supply a valid email address.");
				eval("form."+requiredFields[a]+".value = ''");
				eval("form."+requiredFields[a]+".focus()");
				return false;
			}
		}
	}
	else if (required && required == "all"){
		for(i=0;i<form.elements.length;i++){
			if (!form.elements[i].value && form.elements[i].name != "emailAddress" && form.elements[i].name != "email"){
				alert("You must supply information for all of the required fields.");
				form.elements[i].focus();
				return false;
			}
			else if (form.elements[i].name == "emailAddress" && (form.elements[i].value.indexOf("@") == -1 || form.elements[i].value.indexOf("\.") == -1 || form.elements[i].value.length < 5 || form.elements[i].value == "asdf@asdf.com")){
				alert("You must supply a valid email address.");
				form.elements[i].value = "";
				form.elements[i].focus();
				return false;
			}
		}
	}
	else{
		return true;
	}
}
// end: form validator script