document.oncontextmenu = rien;
//window.onerror=stopError;

function stopError() {return true;}

function screenSize(width_height)
{
	if (parseInt(navigator.appVersion,10)>3) 
	{
		screenW = screen.width;
		screenH = screen.height;
	}
	else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion,10)==3 && navigator.javaEnabled()) 
	{
		var jToolkit = java.awt.Toolkit.getDefaultToolkit();
		var jScreenSize = jToolkit.getScreenSize();
		screenW = jScreenSize.width;
		screenH = jScreenSize.height;
	}

	switch(width_height)
	{
		case "width":
			return screenW;
			//break;

		case "height":
			return screenH;
			//break;
		
		default:
			break;

	}
}

function rien()
{
	return(false);
}


function empty()
{	

}

function logout()
{
	var file = "https://"+document.domain+"/gestpub/php/system_log/logout.php";
	var myText = "id="+escape(system_logid);
	
	if(window.XMLHttpRequest) 
	{
		xmlhttp = new XMLHttpRequest();
	} 
	else 
		if(window.ActiveXObject)
		{
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		else
		{
			return false;
		}

		xmlhttp.open("POST", file, false);
		xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded"); // sending it as encoded formdata
		xmlhttp.setRequestHeader("Content-length",myText.length); // we need to specify the length of the contents
		xmlhttp.setRequestHeader("Connection","close"); // Connection is to be closed after transfer
		xmlhttp.onreadystatechange=function() {
	
		if (xmlhttp.readyState == 4) {}
	};

	xmlhttp.send(myText); 
	
	location.href="https://"+document.domain+"";
	
	if(xmlhttp.responseText==null)
	{
		return 0;
	}
	else
	{
		return xmlhttp.responseText;
	}
}



function setLoginFocus()
{
	try
	{
		document.getElementById("idconnection").value=Date();
		document.getElementById("login").focus();
	}
	catch(e){}
}

function setLoginFocusPass()
{
	document.getElementById("adminPassword_password").focus();
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }