// JavaScript Document
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 valid()
{
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(document.enquiry.name.value =="")
	{
		alert("Enter the name");
		document.enquiry.name.focus();
		return false;
	}
	if(document.enquiry.address.value =="")
	{
		alert("Enter the address");
		document.enquiry.address.focus();
		return false;
	}
	if(document.enquiry.city.value =="")
	{
		alert("Enter the city");
		document.enquiry.city.focus();
		return false;
	}
	var Phone=document.enquiry.phone
	
	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
	}
	
	if(document.enquiry.email.value =="")
	{
		alert("Enter the email");
		document.enquiry.email.focus();
		return false;
	}
	var str=document.enquiry.email.value;  
   if(reg.test(str) == false) 
   {
    alert("Please enter a valid email address");
	document.enquiry.email.focus();
      return false;
   }		
	if(document.enquiry.requirement.value =="")
	{
		alert("Enter the requirement");
		document.enquiry.requirement.focus();
		return false;
	}
	if((document.enquiry.security_code.value =="") || (document.enquiry.security_code.value =="Enter Security Code here"))
	{
		alert("Enter the security code");
		document.enquiry.security_code.focus();
		return false;
	}
	return true;
}
