// JavaScript Document

function validate_required(field,alerttxt) {
	with (field) {
		if (value==null||value=="") {
			alert(alerttxt);
			return false;
		}
		else {
			return true;
		}
	}
}

function validate_email(field,alerttxt) {
	with (field) {
		apos=value.indexOf("@")
		dotpos=value.lastIndexOf(".")
		if (apos<1||dotpos-apos<2) {
			alert(alerttxt);
			return false;
		} else {
			return true;
		}
	}
}


function validate_image(field,alerttxt) {
	with (field) {
		if (value!="qGphJD") {
			alert(alerttxt);
			return false;
		}
		else {
			return true;
		}
	}
}




// Declaring required variables for Phone Validation from (http://www.smartwebby.com/dhtml/)
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
function trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

// end Functions for Phone Validation




function validate_form(thisform) {
	with (thisform) {
		if (validate_required(comments,"Please let us know how we may help you!")==false) {
			comments.focus();
			return false;
		}
		
		
		if (validate_image(image_field,"Please Type Exact Characters in the Image!")==false) {
			your_name.focus();
			return false;
        } 
		
		
		
		if (validate_required(your_name,"Please let us know your name!")==false) {
			your_name.focus();
			return false;
		}
		
		
		if ((phone.value!=null)&&(phone.value!="")){
			if (checkInternationalPhone(phone.value)==false){
				alert("That's Not a Valid Phone Number!")
				//phone.value=""
				phone.focus()
				return false;
			}
		}
		
		if (validate_required(email,"An email addressed must be provided!")==false) {
			email.focus();
			return false;
		}
		if (validate_email(email,"Not a valid e-mail address!")==false) {
			email.focus();
			return false;
		}
		if (email.value != email_confirm.value) {
                alert("Your email addresses don't match. Please double check!");
                return false;
        } else {
                return true;
        }





	}
}