function chkEmail(eml)

{

	var re = /^[0-9a-zA-Z\-\.\_]+@[0-9a-zA-Z\-]+\.[0-9a-zA-Z\-\.]+$/;

	if (!eml.match(re)) 

		return 0;

	else

		return 1;



}



  var captchaOK1 = 2; // 2 - not yet checked, 1 - correct, 0 - failed 

  function getHTTPObject() 

  { 

	  try 

		{ 

			req = new XMLHttpRequest(); 

		} 

	  catch (err1) 

	  { 

			try 

			  { 

				req = new ActiveXObject("Msxml12.XMLHTTP"); 

			  } 

			catch (err2) 

			{ 

				   try 

				   { 

				   req = new ActiveXObject("Microsoft.XMLHTTP"); 

				   } 

				   catch (err3) 

				   { 

				   req = false; 

				   } 

			}

	 	} 

 		return req; 

  } 

 var http = getHTTPObject(); // We create the HTTP Object 

  function handleHttpResponse1()

   {

		  if (http.readyState == 1)

		  {

			  document.getElementById('sent1').innerHTML="<img src='images/ajax-loader.gif' alt='Loading....' border=0>";

		  }

		  if (http.readyState == 4) 

		  { 

			  captchaOK1 = http.responseText; 

			  if(captchaOK1 != 1)

			   { 

				    document.getElementById('sent1').innerHTML ='';

				   alert('The entered code was not correct. Please try again');

				   document.subs.codenewsletter.value=''; 

				   document.subs.codenewsletter.focus();

				   return false; 

			   } 

			   else

			   {

			    document.getElementById('sent1').innerHTML="You have been subscribed successfully.";

			   	return true;		   

			   }

		   //document.myform.submit(); 

		   } 

   }

  function checkcode1(thecode)

  { 

  



  var url1 = 'captcheck_newsletter.php?code='; 

 

  http.open("GET", url1 + escape(thecode), true); 

  http.onreadystatechange = handleHttpResponse1; http.send(null); 

  } 

  

  function subscribe(frm)

{



	var mes = "";

 	

	if(frm.email.value.length == 0)

	{

		mes = mes + "Please Enter Email Address.\n";	

		document.subs.email.focus(); 

	}

	else if(chkEmail(frm.email.value) == 0 )

	{

		mes = mes + "Please Enter Valid Email Address.\n";

		document.subs.email.focus();

	}

	else if(document.subs.codenewsletter.value=='') {

	 alert('Please enter the string from the displayed image.'); 

	 document.subs.codenewsletter.value='';

	 document.subs.codenewsletter.focus(); 

	 return false; 

	

	 } // Now the Ajax CAPTCHA validation

	 else

	 {

	  checkcode1(document.subs.codenewsletter.value);

	   document.subs.codenewsletter.focus(); 

	  return false;

	 }

   

   

	if(mes != "")

	{

		alert(mes);

	}

	else

	{

		frm.action = "subscribe.php";

		frm.submit();		

	}	

	

 } 





//2-------------------------------------------------------------------------------



<!--

function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}

function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}



function MM_findObj(n, d) { //v4.01

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);

  if(!x && d.getElementById) x=d.getElementById(n); return x;

}



function MM_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)

   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}

//-->



function LTrim(str)

{

  var whitespace = new String(" \t\n\r");



  var s = new String(str);



  if (whitespace.indexOf(s.charAt(0)) != -1) {

    // We have a string with leading blank(s)...



    var j=0, i = s.length;



    // Iterate from the far left of string until we

    // don't have any more whitespace...

    while (j < i && whitespace.indexOf(s.charAt(j)) != -1)

    j++;





    // Get the substring from the first non-whitespace

    // character to the end of the string...

    s = s.substring(j, i);

  }



  return s;

}







//2------------------------------------------------------------------------------*/





<!--

function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}

//-->





//////////////////////







 var captchaOK = 2; // 2 - not yet checked, 1 - correct, 0 - failed 

  function getHTTPObject() 

  { 

	  try 

		{ 

			req = new XMLHttpRequest(); 

		} 

	  catch (err1) 

	  { 

			try 

			  { 

				req = new ActiveXObject("Msxml12.XMLHTTP"); 

			  } 

			catch (err2) 

			{ 

				   try 

				   { 

				   req = new ActiveXObject("Microsoft.XMLHTTP"); 

				   } 

				   catch (err3) 

				   { 

				   req = false; 

				   } 

			}

	 	} 

 		return req; 

  } 

 var http = getHTTPObject(); // We create the HTTP Object 

  function handleHttpResponse() {

  if (http.readyState == 1)

  {

  document.getElementById('sent').innerHTML="<img src='images/ajax-loader.gif' alt='Loading....' border=0>";

  }

  if (http.readyState == 4) 

  { 

  captchaOK = http.responseText; 

 // alert(captchaOK);

  

  

   if(captchaOK == 1)

   {

   	document.getElementById('sent').innerHTML="Information sent successfully.";

	var name 	= document.getElementById('name').value="";

	

	var phone 	= document.getElementById('pno').value=""; 

	var email 	= document.getElementById('email').value=""; 

	var comments = document.getElementById('comments').value=""; 

	//var comment = document.getElementById('comments').value=""; 

	var capcode = document.getElementById('code').value=""; 

   }

  if(captchaOK != 1)

   { 

   document.getElementById('sent').innerHTML="";

   alert('The entered code was not correct. Please try again');

   

   document.myform.code.value=''; 

   document.myform.code.focus();

   return false; 

   } 

  

   //document.myform.submit(); 

   

   } 

   }

  function checkcode(thecode)

  { 

  

  var name 	= LTrim(document.getElementById('fname').value)+' '+ LTrim(document.getElementById('lname').value);;

  var email 	= LTrim(document.getElementById('email').value); 

  var phone     = LTrim(document.getElementById('phone').value); 

  var comments =LTrim(document.getElementById('comments').value); 

  //var thecode	= LTrim(document.getElementById('code').value); 

  //var comp 	= LTrim(document.getElementById('comp').value); 

  var url = "captcheck.php?name="+name+" &phone="+phone+"&email="+email+"&comments="+comments+"&code="; 



  	

  http.open("GET", url + escape(thecode), true); 

  http.onreadystatechange = handleHttpResponse; 

  http.send(null);  

  }   

  

  function checkform() { // First the normal form validation 

   

   var fname 	= LTrim(document.getElementById('fname').value);

  if(fname=="") {

   alert('Please enter first name.'); 

   document.myform.fname.focus(); return false; 

   }



	var phone 	= LTrim(document.getElementById('phone').value);

  if(phone=="") {

   alert('Please enter phone number.'); 

   document.myform.phone.focus(); return false; 

   }

   

   var lname 	= LTrim(document.getElementById('lname').value);

  if(lname=="") {

   alert('Please enter last name.'); 

   document.myform.lname.focus(); return false; 

   }



 if(LTrim(document.myform.email.value)=='') {

   alert('Please enter email.'); 

   document.myform.email.focus(); return false; 

   }



    if(chkEmail(document.myform.email.value)==0) {

   alert('Please enter valid email address.'); 

   document.myform.email.focus(); return false; 

   }

     

    if(document.myform.code.value=='') {

	 alert('Please enter the string from the displayed image.'); 

	 document.myform.code.value='';

	 document.myform.code.focus(); 

	 return false; 

	 } // Now the Ajax CAPTCHA validation

	

   checkcode(document.myform.code.value); 

   return false; 

    

   }