function loginFormValidation()
{
	with(document.javascript_promo_login)
	{
		if(username.value == "")
		{
			alert("Please enter Username");
			username.focus();
			return false;
		}

		if(password.value == "")
		{
		alert("Please Enter Password");
		password.focus();
		return false;
		}
	}		
		return true;
}

function createXMLHttp() {

    if (typeof XMLHttpRequest != "undefined") {
        return new XMLHttpRequest();
     } else if (window.ActiveXObject) {
      var aVersions = [ "MSXML2.XMLHttp.5.0",
        "MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0",
        "MSXML2.XMLHttp","Microsoft.XMLHttp"
      ];

      for (var i = 0; i < aVersions.length; i++) {
        try {
            var oXmlHttp = new ActiveXObject(aVersions[i]);
            return oXmlHttp;
        } catch (oError) {
            //Do nothing
        }
      }
    }
    throw new Error("XMLHttp object could be created.");
  }

function stateChanged()
{
	if(xmlHttpObject.readyState == 4 && xmlHttpObject.responseText != "")
	{
		alert(xmlHttpObject.responseText);
		return false;
	}
}
   function validation()
   {
	with(document.javascript_promo)
	{
		if(uname.value == "")
		{
			alert("Macnn Username Can not be blank");
			uname.focus();
			return false;
		}

		if(pword.value == "")
		{
		alert("Macnn Password Can not be blank");
		pword.focus();
		return false;
		}
		
		if (uname.value != "" && pword.value != "")
		{
			xmlHttpObject = createXMLHttp();
					
			var getUname = document.getElementById('uname').value;
			var getPword = document.getElementById('pword').value;
			randomNumber =  Math.random();
			url = "check_macnn_unamePword_ajaxPage.php?username="+getUname+"&password="+getPword+"&randomId="+randomNumber;
			xmlHttpObject.onreadystatechange=stateChanged; 

			xmlHttpObject.open('GET',url,true);
			xmlHttpObject.send(null);
		}
		
		if(first.value == "")
		{
			alert(" First Name Can not be blank");
			first.focus();
			return false;
		}
		
		if(last.value == "")
		{
			alert("Last Name can not be blank");
			last.focus();
			return false;
		}
		if (age.value == "")
		{
			alert("Age can not be blank");
			age.focus();
			return false;
		}
		
		return true;
	}	
	
   }