// JavaScript Document

//For News
function news_vali()
{
	var name =document.enq.name.value;
	var last =document.enq.last.value;
			var emailID =document.enq.visit_mail;
	

				if(name=="" || name==null)
				{
				alert("First Nmae must be filled!");
				document.enq.name.focus();
				return false;
				// For Phone Validation
				}
				if(last=="" || last==null)
				{
				alert("Last Name must be filled!");
				document.enq.name.focus();
				return false;
				// For Phone Validation
				}
				
				
			
				//alert("Contact must be filled! ");
				//document.myform.agent_contact.focus();
				//return false;
			
				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
				}
				
								
}
//For Search
function search_vali()
{

	var searc =document.sea.searc.value;
	if(searc=="Search" && searc!=null)
				{
				alert("Search Words must be filled!");
				document.sea.searc.focus();
				return false;
			
				}

}
			
function visitor_vali()
{
	var name =document.enq.name.value;
		var no =document.enq.no;
		var country =document.enq.country.value;
			var emailID =document.enq.visit_mail;
			var Phone=no;
			// 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);
}
				if(name=="" || name==null)
				{
				alert("Agent Nmae must be filled!");
				document.enq.name.focus();
				return false;
				// For Phone Validation
				}
				
			
				//alert("Contact must be filled! ");
				//document.myform.agent_contact.focus();
				//return false;
			
				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
				}  
				if(country=="" || country==null)
				{
				alert("Country Nmae must be selected!");
				document.enq.country.focus();
				return false;
				// For Phone Validation
				}
				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
				}
			
								
}
// for Email validation
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					
	}