function newssubscriberfn()
{
	
	
	var email_id=document.getElementById('email_id').value;
	if(ValidateForm(email_id))
	{
		
			var xmlhttp;
			if (window.XMLHttpRequest)
  			{
  				// code for IE7+, Firefox, Chrome, Opera, Safari
  				xmlhttp=new XMLHttpRequest();
  			}
			else if (window.ActiveXObject)
  			{
  				// code for IE6, IE5
  				xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  			}
			else
  			{
  				alert("Your browser does not support XMLHTTP!");
  			}
  		
  			var url="ajaxnewsletter.php";
			var arg="emailid="+email_id;
	

			xmlhttp.open("POST",url);
			xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			xmlhttp.send(arg);
		
			xmlhttp.onreadystatechange=function()
			{
				if(xmlhttp.readyState==4)
  				{
  					var str=xmlhttp.responseText;
					document.getElementById('form-results').innerHTML=str;
  					
  				}
			}
		
	}
	

}




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 ValidateForm(emailID){
	//var emailID=document.frmSample.txtEmail
	
	if ((emailID==null)||(emailID=="")){
		alert("Please Enter your Email ID");
		document.getElementById('email_id').focus()
		return false
	}
	if (echeck(emailID)==false){
		document.getElementById('email_id').value="";
		document.getElementById('email_id').focus();
		return false
	}
	return true
 }
function reload(form){
var val=form.cat.options[form.cat.options.selectedIndex].value;
self.location='photogallery.php?cat=' + val ;
}