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 contactValidation(){
	var contactuword = hex_md5(document.getElementById(jfldid).value);
  if (document.contactus.name.value==''){
		alert('Please Enter Name.');
		document.contactus.name.focus();
		return false;
	}
	if (document.contactus.address.value==''){
		alert('Please Enter Addres.');
		document.contactus.address.focus();
		return false;
	}
	if (document.contactus.e_mail.value==''){
    alert('Please Enter E-mail Address.');
		document.contactus.e_mail.focus();
		return false;
	}
	var emailID=document.contactus.e_mail;
	if (echeck(emailID.value)==false)
	{
		emailID.value="";
		emailID.focus();
		return false;
	}
	if (contactuword!=cword[anum-1]) {
		alert("ERROR: Enter the code as it is shown.");
		document.getElementById(jfldid).focus();
		return false;
	}
	return true;
}

function subscribeValidation(){
	var subscribeuword = hex_md5(document.getElementById(jfldid).value);
  if (document.subscribe.name.value==''){
		alert('Please Enter Name.');
		document.subscribe.name.focus();
		return false;
	}
	if (document.subscribe.address.value==''){
		alert('Please Enter Addres.');
		document.subscribe.address.focus();
		return false;
	}
	if (document.subscribe.e_mail.value==''){
    alert('Please Enter E-mail Address.');
		document.subscribe.e_mail.focus();
		return false;
	}
	var emailID=document.subscribe.e_mail;
	if (echeck(emailID.value)==false)
	{
		emailID.value="";
		emailID.focus();
		return false;
	}
	if (subscribeuword!=cword[anum-1]) {
		alert("ERROR: Enter the code as it is shown.");
		document.getElementById(jfldid).focus();
		return false;
	}
	return true;
}

function subscribeRightValidation(){
	if (document.subscribeRightForm.email.value==''){
    alert('Please Enter E-mail Address.');
		document.subscribeRightForm.email.focus();
		return false;
	}
	var emailID=document.subscribeRightForm.email;
	if (echeck(emailID.value)==false)
	{
		emailID.value="";
		emailID.focus();
		return false;
	}
	return true;
}