function login()
{

if(document.getElementById("login_btn").src=="http://archive.al-jazirah.com.sa/images/signout.gif")
{
sign_off();
return;
}

if(document.all.username.value.length==0 || document.all.username.value=='اسم المستخدم')
{
	alert('اسم المستخدم');
	document.all.username.value='';
	document.all.username.focus();
	return;
}
if(document.all.password.value.length==0 || document.all.password.value=='كلمة المرور')
{
	alert('كلمة المرور');
	document.all.password.value='';
	document.all.password.focus();
	return;
}

  var j='/cgi-bin/dailynews/login.cgi?site_id=1&username=' + document.getElementById('username').value  + '&password=' + document.getElementById('password').value + '&timestamp=' + new Date();   

   var xmlHttp;
   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.indexOf("failed")>=0 || xmlHttp.responseText=="")
		{
			alert('إسم المستخدم او كلمة المرور غير صحيحة');
			document.all.username.focus();
			return;
		}
		else
		{
			var pos=xmlHttp.responseText.indexOf("name=");
	                            var name= xmlHttp.responseText.substring(pos+5);
			var idpos=xmlHttp.responseText.indexOf("id=");
			var member_id=xmlHttp.responseText.substring(idpos+3,pos-1);
			setCookie('www.al-jazirah.com-name',name,1);
			setCookie('www.al-jazirah.com-id',member_id,1);
			document.getElementById("login_span").innerHTML="<font color=white face=Tahoma size=2>أهلأ بك .." + name + "</font>"; 
			document.getElementById("username").style.display="none";
			document.getElementById("password").style.display="none";	
			document.getElementById("login_span").style.display="";
			document.getElementById("login_btn").src="/images/signout.gif"; 
		}

        }
      }
   xmlHttp.open("GET",j,true);
   xmlHttp.send(null);
}





function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}

function show_id()
{
	var name=getCookie('www.al-jazirah.com-name');
	var id=getCookie('www.al-jazirah.com-id');
	if(name!="")
	{
	document.getElementById("login_span").innerHTML="<font color=white face=Tahoma size=2>أهلأ بك ..." + name + "</font>"; 
	document.getElementById("username").style.display="none";
	document.getElementById("password").style.display="none";	
	document.getElementById("login_span").style.display="";
	document.getElementById("login_btn").src="/images/signout.gif"; 
	}

}

function sign_off()
{
   	setCookie('www.al-jazirah.com-name','',1);
	setCookie('www.al-jazirah.com-id','',1);
	document.getElementById("username").value="اسم المستخدم";
	document.getElementById("password").value="كلمة المرور";
	document.getElementById("username").style.display="";
	document.getElementById("password").style.display="";
	document.getElementById("login_span").style.display="none";
	document.getElementById("login_btn").src="/images/btn_signin.gif"; 

}

function open_registration_form()
{
	var url="http://jims.al-jazirah.com.sa/feedback/website_member_entry.aspx?action=add";
	var id=getCookie('www.al-jazirah.com-id');

	if(id>0)
	{
	url="http://jims.al-jazirah.com.sa/feedback/website_member_entry.aspx?member=" + id + "&action=modify";
	}
	
	var newWin=open(url,'displayWindow','left=250,top=130,height=500,width=500,resizable=0,scrollbars=1,status=0,toolbar=0,menubar=0,location=0');

}