// JavaScript Document
	var xmlHTTP;
	function createXMLHttpRequest(){
		if(window.ActiveXObject){
			xmlHTTP = new ActiveXObject("Microsoft.XMLHTTP");
		}else if(window.XMLHttpRequest){
			xmlHTTP = new XMLHttpRequest();
		}
	}
	function refreshSubScriptber(){
		var _mail = document.getElementById('sub_sb').value;
		
		if(_mail == ''){
			alert('Please Enter Email!');
			document.getElementById('sub_sb').focus();
			return false;
		}
		
		var url = 'newsletter.php?sub_sb='+_mail;
		
		createXMLHttpRequest();
		
		xmlHTTP.onreadystatechange = handleStateChange;
		
		xmlHTTP.open("GET",url,true);
		
		xmlHTTP.send(null);
		
	}
	function handleStateChange(){
		if(xmlHTTP.readyState == 4){
				if(xmlHTTP.status == 200){	
						document.getElementById('resulta').innerHTML="<font color='#717171'>Thank you for join Newsletter!</font>";
					}else{
						document.getElementById('result').innerHTML = 'Thank you for join Newsletter!'; 
					
					}
			}
		}
	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(){
		var emailID=document.getElementById('sub_sb');
		
		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
		}
		refreshSubScriptber();
	 }