function checkContact(form) 
{
    var obj = form.name; 
     
    if (obj.toString() == "contactSubmit") 
    {
        if( ValidateContact() ) 
        {
             if (isValidEmail(form.email))
	        {
	            return true;
	        }  
        }
    }  
    return false;
}

function checkSupport(form) 
{
    var obj = form.name;

    if (obj.toString() == "supportSubmit") 
    {
        if (ValidateSupport()) 
        {
            if (isValidEmail(form.email)) 
            {
                return true;
            }
        }
    } 
    return false;
}

function isValidEmail(strEmail)
{
    validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
    strEmail = document.forms[0].email.value;

    if (strEmail.search(validRegExp) == -1) 
    {
        document.forms[0].email.value = ''; 
        document.forms[0].status.value = 'Please Enter A Valid Email Address'; 
        document.forms[0].status.style.visibility = 'visible';  
        return false;
    } 
    return true; 
}

function ValidateContact() 
{ 
    if (document.forms[0].last_name.value == "" ||
        document.forms[0].company.value == "" ||
        document.forms[0].state.value == "" ||
        document.forms[0].email.value == "" ||
        document.forms[0].phone.value == "" || 
        document.forms[0].elements['00N300000016ehu'].value == "") 
    { 
        document.forms[0].status.style.visibility = 'visible';
        return false;
    }

    var state = document.forms[0].state;
    if (ValidState(state.value) == false) 
    {
        document.forms[0].state.value = ''; 
        document.forms[0].status.value = 'Please Enter Valid State Abbreviation';
        document.forms[0].status.style.visibility = 'visible';
        return false;
    }

    var phone = document.forms[0].phone;
    if (checkInternationalPhone(phone.value) == false) 
    {
        document.forms[0].phone.value = ''; 
        document.forms[0].status.value = 'Please Enter Valid Phone Number';
        document.forms[0].status.style.visibility = 'visible';
        return false;
    }
    
    return true; 
}

function ValidateSupport() 
{  
    if (document.forms[0].company.value == "" ||
        document.forms[0].email.value == "" || 
        document.forms[0].phone.value == "" || 
        document.forms[0].description.value == ""
        ) 
    {
        document.forms[0].status.style.visibility = 'visible';
        return false;
    }

    var phone = document.forms[0].phone;
    if (checkInternationalPhone(phone.value) == false) 
    {
        document.forms[0].phone.value = ''; 
        document.forms[0].status.value = 'Please Enter Valid Phone Number'; 
        document.forms[0].status.style.visibility = 'visible';
        return false;
    }
    
    return true;
} 

// Declaring required variables
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);
}

function ValidState(sstate) {
    sstates = "wa|or|ca|ak|nv|id|ut|az|hi|mt|wy" +
				"co|nm|nd|sd|ne|ks|ok|tx|mn|ia|mo" +
				"ar|la|wi|il|ms|mi|in|ky|tn|al|fl" +
				"ga|sc|nc|oh|wv|va|pa|ny|vt|me|nh" +
				"ma|ri|ct|nj|de|md|dc";

    if (sstates.indexOf(sstate.toLowerCase() + "|") > -1) {
        return true;
    }

    return false;
}