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);
}

function phonevalidate(check){
	var Phone=check;
	
	if ((Phone.value==null)||(Phone.value=="")){
		//alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		//alert("Please Enter a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}
	return true
 }

     function isAlphabet(elem, helperMsg)
	{
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp))
		{
		return true;
	     }
	else{
		alert(helperMsg);
		elem.focus();
		return false;
	    }
     }

 function validNum(elem, helperMsg)
   {
	var numexp=/^[0-9]+$/;
	if(elem.value.match(numexp))
		{
		return true;
	     }
	else{
		alert(helperMsg);
		elem.focus();
		return false;
	    }
   }

  

  function emailValidator(elem, helperMsg)
	{
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function valid(f)
{
	if (f.fname.value==""  )
	{
	alert('Please Enter Your First Name');
	f.fname.focus();
	return false;
	}
	if (f.lname.value==""  )
	{
	alert('Please Enter Your Last Name');
	f.lname.focus();
	return false;
	}
	if (f.title.value==""  )
	{
	alert('Please Enter Title');
	f.title.focus();
	return false;
	}
	if (f.org.value==""  )
	{
	alert('Please Enter Your Organization / Company ');
	f.org.focus();
	return false;
	}
	if(!phonevalidate(f.phone))
	   {
	   alert("Please Enter a Valid Phone Number")
	   f.phone.focus();
	   return false
	   }
	 if(!emailValidator(f.email22,"please enter valid email"))
	    return false;
	if(f.email22.value!=f.cemail.value)
	{
	 alert ("Please Enter Same Email Address");
	 f.cemail.focus();
	 return false;
	}
	f.act.value="goinsert";
	f.submit();
}