function Trim(nStr){return nStr.replace(/(^\s*)|(\s*$)/g,"");} 
function loginValidation(){
var flag="";
	if(window.XMLHttpRequest)
	{
		http=new XMLHttpRequest();
	}
	else if(window.ActiveXObject)
	{
		http=new ActiveXObject("Microsoft.XMLHTTP");
	}
	if($('adminName').value == "" && $('adminPass').value == ""){
		$('log_error').innerHTML = "Username and password cannot blank";  
		flag = "1";
	}else{
		$('log_error').innerHTML	=	"";
	}
	if(flag){
		return false;
	}else{
			var url = "affLoginCheck.php?uname="+$('adminName').value+"&upass="+$('adminPass').value;
			//	alert(url);
			http.open("GET", url , true);
			http.onreadystatechange = userCheckProcess;
			http.send(null);
			return false;
	}
	return true;
}

function userCheckProcess()
{
	if (http.readyState == 4) {
		if(http.status==200)
			{  
				//alert(http.responseText);
				if(Trim(http.responseText)=="notavail"){
					document.getElementById("log_error").innerHTML="Username and password did not match";
				}else if(Trim(http.responseText)=="avail"){
					window.location.href="myinfo.php";
				}
			}
	        }										
	}