// JavaScript Document

// 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 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 echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false;
		 }

 		 return true;				
	}

function validate_form()
{
    valid = true;
	frm = document.dml;

    if ( frm.firstname.value == "" )
    {
        alert ( "Please enter your First Name" );
		frm.firstname.focus();
        valid = false;
    }
	
	if ( frm.lastname.value == "" )
    {
        alert ( "Please enter your Last Name" );
		frm.lastname.focus();
        valid = false;
    }
	
	//checking phone number
	if ((frm.phone.value==null)||(frm.phone.value=="")){
		alert("Please enter a valid Phone Number");
		frm.phone.focus();
		valid = false;
	}
		
	//check email
	if (echeck(frm.email.value)==false){
		alert("Please enter a valid Email Address");
		frm.email.focus();
		valid = false;
	}

    return valid;
}


function validate_questionnaire()
{
    valid = true;
	frm = document.quote_form;

    if ( frm.projectid.value == "" )
    {
        alert ( "Please enter the Project ID" );
		frm.projectid.focus();
        valid = false;
    }
	

    return valid;
}

//-->