var xmlhttp = false;

function ajaxRequest()
{
	var args = ajaxRequest.arguments;
	var x = getAjaxObject();
	
	if(x)
	{
		if(5 != args.length)
		{
			args[4] = true;
		}
		if(true == args[4])
		{
			x.onreadystatechange = function() {
				if(x.readyState == 4 && x.status == 200)
				{
					args[2](x);
					x = null;
				}
			}
		}
		if(x.overrideMimeType)
		{
			x.overrideMimeType('text/xml');
		}
		x.open(args[0],args[1],args[4]);
		
		if(args[3])
		{
			x.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		}
		else
		{
			x.send(null);
		}
		if(false == args[4])
		{
			var ret_for_sync_call = args[2](x);
			x = null;
			return ret_for_sync_call;
		}
		else
		{
			alert("No AJAX Support");
		}
	}
}

function getAjaxObject()
{
	try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
	try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
	try { return new XMLHttpRequest(); } catch (e) {}
	alert("XMLHttpRequest not Supported");
	return null;
}




document.write('<script type="text/javascript" src="js/common.js"></script>');
// JavaScript Document
function validate_form() {
    formname = document.frmLogin;


	if(!xmlhttp)
	{
		xmlhttp = getAjaxObject();
	}

	if(formname.username.value=='' || trim(formname.username.value) == "Enter User Name")
	{
        alert("Please Enter Username");
        setfocus(formname.username);
        return false;
    }
	
	if (formname.remember.checked == true)
	{
			var checkvalue = 1;
	}
	else {
			var checkvalue = 0;
	}


	var url = "login.process.php";
	
	var param="&username="+formname.username.value+"&password="+formname.password.value+"&remember="+checkvalue;

	xmlhttp.open("POST",url,false);
	xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xmlhttp.send(param);
	
	var result = xmlhttp.responseText;
	if(result=='1')
	{
		window.location = 'signin_listing.php';
		return false;
	}
	else if(result=='0')
	{
		alert('Invalid Username & Password');
		setfocus(formname.username);
        return false;
	}
}

function loginFocus(){
	if(document.frmLogin) document.frmLogin.username.focus();
}