function addMail()
{
    var name = document.getElementById("txtName").value;
    var email = document.getElementById("txtMailer").value;
    if((name!="")&&(email!="")&&(echeck(email)))
    {
        try
        {    // Firefox, Opera 8.0+, Safari    
            xmlHttp=new XMLHttpRequest();    
        }
        catch (e)
        {    // Internet Explorer    
            try
            {      
                xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");      
            }
            catch (e)
            {      
                try
                {        
                    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");        
                }
                catch (e)
                {        
                    alert("Your browser does not support AJAX!");        
                    return false;        
                } 
             }    
        }
        xmlHttp.onreadystatechange=function()
        {
            if(xmlHttp.readyState==4)
            {
                if(xmlHttp.responseText=="Success")
                {
                    alert("Your E-mail has been successfully added to the mailer list, thank you.");
                }
                else
                {
                    alert("Sorry, an error has occured. Please try again later or inform us by the contact form.");
                }
            }
        }
        xmlHttp.open("GET","AjaxFunctions/addMailer.aspx?name=" + name + "&email=" + email,true);
        xmlHttp.send(null);  
        
    }
    else
    {
        alert("Either the name or email is incorrect.");
    }
    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){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}

}