// 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);
}// Phone Number Validation. 

//Email
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){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}

function make_blankOnclick() // weight
{
	if(document.ff.weight.value=="In KG")
		{
			document.ff.weight.value="";
			return fales;
		}

}

function make_onlickBlank() // dimension
{
	if(document.ff.dimension.value == "Eg:L:30CM,W:25CM,H:40CM")
		{
			document.ff.dimension.value="";
		}
}

function make_onclickBlank()
{
	if(document.ff.phone.value == "Enter 10 digit Phone Number")
		{
			document.ff.phone.value="";
		}
}

function make_blank()// it is actully filling the blank text box on blur
{

	if(document.ff.weight.value == "")
		{
			
		 document.ff.weight.value="In KG";
		  return false;
		}
	if(document.ff.dimension.value == "") 
		{
			document.ff.dimension.value ="Eg:L:30CM,W:25CM,H:40CM";
			return false;
		}
	if(document.ff.phone.value == "")
		{
			document.ff.phone.value= "Enter 10 digit Phone Number";
			return false;
		}
}

function valtrack() //validation for tracking
{
	
	if(document.getElementById("TrackingNumber").value=="")
	{
		alert("Please enter Exim Track Number");
		document.getElementById("TrackingNumber").focus();
		return false;
	}
}



function validate_track() // Validation for tracking number

	{
		if(document.track.TrackingNumber.value="")
			{
				alert("Please Enter tracking number");
			}
	}
	
function validate()
{
	if(document.ff.from.value == "")
		{
			alert("Enter From city name");
			document.ff.from.focus();
			return false;
		}
		
	
	
	if(document.ff.to.value == "")
		{
			alert("Enter To city name");
			document.ff.to.focus();
			return false;
		}
	
	if(document.ff.weight.value == "In KG")
		{
			alert("Enter weight");
			document.ff.weight.focus();
			return false;
		}
	
	if(document.ff.dimension.value == "Eg:L:30CM,W:25CM,H:40CM") 
		{
			alert("Enter dimension");
			document.ff.dimension.focus();
			return false;
		}
	
		
	if(document.ff.commodity.value == "")
		{
			alert("Enter your commodity");
			document.ff.commodity.focus();
			return false;
		}
		
	/*if(document.ff.phone.value == "")
		{
			alert("Enter Phone number");
			document.ff.phone.focus();
			return false;
		}	
		*/
		
	i=document.ff.service.length-1;
	myOption = -1;
	
	for (i; i > -1; i--)
	{
		
		 if (document.ff.service[i].checked) 
			{

				myOption = i; i = -1;
			}
	}
	if (myOption == -1) 
		{
				alert("Please select Service");
				return false;
		}	
		
	var Phone=document.ff.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
	}
		
		
	var emailID=document.ff.email
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	
//	window.location.href = "mail.php?c=1";
}