//========================   start functions for Phone check =======

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 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){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}


//========================   end functions for Phone check =======
//========================   start functions for Phone check =======

function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}
//========================   end functions for email check =======
function validateme()
{
	msg1 = "";msg2 = "";msg3 = "";msg4 = "";
	if(document.query.name.value=="")
	{
		msg1 = "Please enter your Name.\n";
	}
	if(document.query.email.value=="")
	{
		msg2 = "Please enter your Email.\n";
	}
	else if(! isValidEmail(document.query.email.value)) 
	{
        msg2 = "Please enter a valid Email Address\n";
    }
	if((document.query.callme.checked)&&(document.query.phone.value==""))
	{
		msg3 = "Please enter your Phone Number.\n";
	}
	if(document.query.comments.value=="")
	{
		msg4 = "Please enter Message.\n";
	}
	msg = msg1+msg2+msg3+msg4;
	if(msg!="")
	{
		alert(msg);
		if(msg1!="")
			document.query.name.focus();
		else if(msg2!="")
			document.query.email.focus();
		else if(msg3!="")
			document.query.phone.focus();
		else if(msg4!="")
			document.query.comments.focus();

		return false;
	}
	else
	{
		document.getElementById('loading2').style.display='block';
		document.getElementById('likethis').style.display='none';
		document.getElementById('thanks').style.display='none';
		return true;
	}
}
function showhide(val)
{
	document.getElementById('likethis').style.display='none';
	setTimeout("SetTime2('"+val+"')", 500);
}
function SetTime2(val)
{
	document.getElementById('thanks').style.display='none';
	document.getElementById('likethis').style.display='block';
	if(val==1)//for not check
		document.query.callme.checked=false;
	else if(val==2)// for check
		document.query.callme.checked=true;
}