// JScript source code

function checkForm(Form){
	if (Form.name.value == ""){
		alert("You must provide your name.")
		return false
	}

	if (Form.address.value == ""){
		alert("You must provide your address.")
		return false
	}
	
	if (Form.city.value == ""){
			alert("You must provide your city.")
			return false
	}
	
	if (Form.state.value == ""){
			alert("You must provide your state.")
			return false
	}
	
	if (Form.zip.value == ""){
			alert("You must provide your zip code.")
			return false
	}else{
				if(Form.zip.value.length < 5 || Form.zip.value.length > 7){
					alert("Please provide a valid zip code.")
					return false
				}

				if(
					Form.country.options[Form.country.selectedIndex].value == '' || 
					Form.country.options[Form.country.selectedIndex].value == 'USA'
				){
					var valid = "0123456789";
					
					for (var i=0; i < Form.zip.value.length; i++){
						temp = "" + Form.zip.value.substring(i, i+1);

						if (valid.indexOf(temp) == "-1"){
							alert("Invalid characters in your zip code. Do not provide +4 or spaces.")
							return false;
						}
					}
				}
			}

	if (Form.country.value == ""){
			alert("You must provide your country.")
			return false
	}
	
	if(!ValidPhone(Form.phone.value)){
		return false
	}
	
	if (Form.email.value == ""){
		alert("You must provide an Email address.")
		return false
	}
	
	if (Form.questions.value == ""){
		alert("You must submit a question.")
		return false
	}
	
	if (!validateEmail(Form.email.value)){
		alert("You must provide a valid Email address.")
		return false
	}
	
	return true
	
}

function validateEmail(emailAddress){
	atPos = emailAddress.indexOf("@",1)
	periodPos = emailAddress.indexOf(".",atPos)
	
	if (atPos == -1){
		return false
	}
	
	if (periodPos == -1){
		return false
	}
	
	if ((periodPos - atPos) < 3 ){
		return false
	}
	
	if ((emailAddress.length - periodPos) < 3){
		return false
	}
	
	return true

}

function ValidPhone(phone)
{
	var valid = "0123456789-";

		if(phone=="")
		{
		alert("You must provide your phone number.")
		return false
		}
		
		if(phone.length != 12)
		{
		alert("Invalid phone number! Format must be xxx-xxx-xxxx.")
		return false
		}
		
		
		for (var i=0; i < phone.length; i++)
		{
		temp = "" + phone.substring(i, i+1);
		
		
			if (valid.indexOf(temp) == "-1") 
			{
			alert("Invalid characters in your phone number.  Format must be xxx-xxx-xxxx.")
			return false;
			}
		}
		
	
		return true
}