// Common functions

// Get an XMLHttpRequest object in a portable way.

var areq;

function AjaxRequest()
{
  areq = false;
  // For Safari, Firefox, and other non-MS browsers
  if (window.XMLHttpRequest) {
    try {
      areq = new XMLHttpRequest();
    } catch (e) {
      areq = false;
    } 
  } else if (window.ActiveXObject) {
    // For Internet Explorer on Windows
    try {
      areq = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        areq = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {
        areq = false;
      }
    }
  }
}

// Cookie functions

function Get_Cookie( name ) {
var start = document.cookie.indexOf( name + "=" );
var len = start + name.length + 1;
if ( ( !start ) &&
( name != document.cookie.substring( 0, name.length ) ) )
{
  return null;
}
if ( start == -1 ) return null;
var end = document.cookie.indexOf( ";", len );
if ( end == -1 ) end = document.cookie.length;
return unescape( document.cookie.substring( len, end ) );
}
function SetCookie (name, value) {  
var argv = SetCookie.arguments;  
var argc = SetCookie.arguments.length;  
var expires = (argc > 2) ? argv[2] : null;  
var path = (argc > 3) ? argv[3] : null;  
var domain = (argc > 4) ? argv[4] : null;  
var secure = (argc > 5) ? argv[5] : false;  
document.cookie = name + "=" + escape (value) + 
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
((path == null) ? "" : ("; path=" + path)) +  
((domain == null) ? "" : ("; domain=" + domain)) +    
((secure == true) ? "; secure" : "");
}