function login()
{
	var username = document.getElementById('e_mail').value.replace("\n","").replace(/\s+$|^\s+/g,"");;
	var password = document.getElementById('password').value.replace("\n","").replace(/\s+$|^\s+/g,"");;

	if( (username == "" || password == "" ) || (username == "" && password == "") )
	{
		document.getElementById("login_pop").style.display = 'block';
		document.getElementById("login_pop").innerHTML = "<div id='login_msg' style='padding-left: 35px; font-weight: bold; padding-top: 16px;'>	Login Failed</div>";
		document.getElementById("e_mail").value = "";
		document.getElementById("password").value = "";

	}
	else
	{
		var ajax = getXMLHttpRequest();
		if(ajax) {
		ajax.open("get","login.php?username="+username+"&password="+password, true);
		ajax.setRequestHeader("connection", "close");
		ajax.onreadystatechange = function() {
		if(ajax.readyState == readyState.RICHIESTA)
		{
			document.getElementById("login_msg").style.display = 'block';
		}
		if(ajax.readyState === readyState.COMPLETATO) {
			
			if(statusText[ajax.status] === "OK")
			{
			 	if(ajax.responseText != "")
			 	{
					document.getElementById('box_bottom_top').innerHTML = ajax.responseText;
					window.location.reload();
				}
				else
				{
					document.getElementById("login_msg").innerHTML = 
					"Login Failed";
					document.getElementById("e_mail").value = "";
					document.getElementById("password").value = "";

				}
			}
			else 
			{
			 return false;
			}
		  } 
		}
		// invio richiesta
		ajax.send("");
	  }
	}
}

function login2()
{
	var username = document.getElementById('e_mail').value.replace("\n","").replace(/\s+$|^\s+/g,"");;
	var password = document.getElementById('password').value.replace("\n","").replace(/\s+$|^\s+/g,"");;

	if( (username == "" || password == "" ) || (username == "" && password == "") )
	{
		document.getElementById("login_pop").style.display = 'block';
		document.getElementById("login_pop").innerHTML = "<div id='login_msg' style='padding-left: 35px; font-weight: bold; padding-top: 16px;'>	Login Failed</div>";
		document.getElementById("e_mail").value = "";
		document.getElementById("password").value = "";

	}
	else
	{
		var ajax = getXMLHttpRequest();
		if(ajax) {
		ajax.open("get","login.php?username="+username+"&password="+password, true);
		ajax.setRequestHeader("connection", "close");
		ajax.onreadystatechange = function() {
		if(ajax.readyState == readyState.RICHIESTA)
		{
			document.getElementById("login_msg").style.display = 'block';
		}
		if(ajax.readyState === readyState.COMPLETATO) {
			
			if(statusText[ajax.status] === "OK")
			{
			 	if(ajax.responseText != "")
			 	{
					document.getElementById('box_left_login').innerHTML = ajax.responseText;
					window.location.reload();
				}
				else
				{
					document.getElementById("login_msg").innerHTML = 
					"Login Failed";
					document.getElementById("e_mail").value = "";
					document.getElementById("password").value = "";

				}
			}
			else 
			{
			 return false;
			}
		  } 
		}
		// invio richiesta
		ajax.send("");
	  }
	}
}