function validate_news()
{

	if (document.getElementById('newsletter').value == "")
	{
		alert("Please specify E-mail.");
		document.getElementById('newsletter').focus(); 
		return false;
	}	
	if(document.getElementById("newsletter").value.indexOf('.')==-1)
	{
		alert("Invalid Email ID....");
		document.getElementById("newsletter").focus();
		return false;
	}
	return true;
}



// Ajax
function sendRequest(fid)
{
	var oForm = document.forms[fid];
	//alert(fid);
	if(fid==0 )
	{
	
		if(validate_news())
		{
			var sBody = getRequestBody(oForm);
			var oXmlHttp = zXmlHttp.createRequest();
			oXmlHttp.open("POST", oForm.action, true);
			oXmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			
			oXmlHttp.onreadystatechange = function () {
				if (oXmlHttp.readyState == 4) {
					if (oXmlHttp.status == 200) {
						saveResult(oXmlHttp.responseText,fid);
					} else {
						saveResult("An error occurred: " + oXmlHttp.statusText,fid);
					}
				}            
			};
			oXmlHttp.send(sBody);   
		}
	}
}
    function getRequestBody(oForm) {
            var aParams = new Array();
            
            for (var i=0 ; i < oForm.elements.length; i++) {
                var sParam = encodeURIComponent(oForm.elements[i].name);
                sParam += "=";
                sParam += encodeURIComponent(oForm.elements[i].value);
                aParams.push(sParam);
            } 
            
            return aParams.join("&");        
        }
        
        function saveResult(sMessage,fid) {
            var divStatus = document.getElementById("divStatus");
            divStatus.innerHTML = "" + sMessage;  
			}