// JavaScript Document ///////////////////////////////////////

		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					
		}

/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// 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 checkInternationalFax(strPhone){
if(strPhone==""){return true;}
else{
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}
}
 
// SPEAKING ENGAGEMENT FORM START

function ValidateForm(){
	var name=document.speaking.name
	var emailID=document.speaking.email
	var phone=document.speaking.phone
	var state=document.speaking.state
	var inquiry=document.speaking.inquiry
	
	 if(document.speaking.name.value==''){
		 alert("Pls enter your name!")
		 document.speaking.name.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 ((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.speaking.state.value==''){
		 alert("Pls enter your State!")
		 document.speaking.state.focus();
		 return false;
		 }
		 
	if(document.speaking.inquiry.value==''){
		 alert("Pls enter your Inquiry!")
		 document.speaking.inquiry.focus();
		 return false;
		 }
return true
 }
 
 
 // NEWSLETTER FORM VALIDATION START
 
 
 
 function validate()
		  {
		     if(document.newsletter.name.value=='')
			 {
			   alert("Pls enter your name!")
			   document.newsletter.name.focus();
			   return false;
			 }
			var emailID=document.newsletter.email
			if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email ID!")
			emailID.focus()
			return false
		}
		if (echeck(emailID.value)==false){
		emailID.focus()
		return false
		}	 		 
			 return true;
		 }