/* Determine browser version */

function xbDetectBrowser()
{
  var oldOnError = window.onerror;
  var element = null;

  window.onerror = null;
  
  // work around bug in xpcdom Mozilla 0.9.1
  window.saveNavigator = window.navigator;

  navigator.OS    = '';
  navigator.version  = parseFloat(navigator.appVersion);
  navigator.org    = '';
  navigator.family  = '';

  var platform;
  if (typeof(window.navigator.platform) != 'undefined')
  {
    platform = window.navigator.platform.toLowerCase();
    if (platform.indexOf('win') != -1)
      navigator.OS = 'win';
    else if (platform.indexOf('mac') != -1)
      navigator.OS = 'mac';
    else if (platform.indexOf('unix') != -1 || platform.indexOf('linux') != -1 || platform.indexOf('sun') != -1)
      navigator.OS = 'nix';
  }

  var i = 0;
  var ua = window.navigator.userAgent.toLowerCase();
  
  if (ua.indexOf('safari') != -1)
  {
    i = ua.indexOf('safari');
    navigator.family = 'safari';
    navigator.org = 'safari';
    navigator.version = parseFloat('0' + ua.substr(i+7), 10);
  }
  else if (ua.indexOf('opera') != -1)
  {
    i = ua.indexOf('opera');
    navigator.family  = 'opera';
    navigator.org    = 'opera';
    navigator.version  = parseFloat('0' + ua.substr(i+6), 10);
  }
  else if ((i = ua.indexOf('msie')) != -1)
  {
    navigator.org    = 'microsoft';
    navigator.version  = parseFloat('0' + ua.substr(i+5), 10);
    
    if (navigator.version < 4)
      navigator.family = 'ie3';
    else
      navigator.family = 'ie4'
  }
  else if (ua.indexOf('gecko') != -1)
  {
    navigator.family = 'gecko';
    var rvStart = ua.indexOf('rv:');
    var rvEnd   = ua.indexOf(')', rvStart);
    var rv      = ua.substring(rvStart+3, rvEnd);
    var rvParts = rv.split('.');
    var rvValue = 0;
    var exp     = 1;

    for (var i = 0; i < rvParts.length; i++)
    {
      var val = parseInt(rvParts[i]);
      rvValue += val / exp;
      exp *= 100;
    }
    navigator.version = rvValue;

    if (ua.indexOf('netscape') != -1)
      navigator.org = 'netscape';
    else if (ua.indexOf('compuserve') != -1)
      navigator.org = 'compuserve';
    else
      navigator.org = 'mozilla';
  }
  else if ((ua.indexOf('mozilla') !=-1) && (ua.indexOf('spoofer')==-1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera')==-1)&& (ua.indexOf('webtv')==-1) && (ua.indexOf('hotjava')==-1))
  {
    var is_major = parseFloat(navigator.appVersion);
    
    if (is_major < 4)
      navigator.version = is_major;
    else
    {
      i = ua.lastIndexOf('/')
      navigator.version = parseFloat('0' + ua.substr(i+1), 10);
    }
    navigator.org = 'netscape';
    navigator.family = 'nn' + parseInt(navigator.appVersion);
  }
  else if ((i = ua.indexOf('aol')) != -1 )
  {
    // aol
    navigator.family  = 'aol';
    navigator.org    = 'aol';
    navigator.version  = parseFloat('0' + ua.substr(i+4), 10);
  }
  else if ((i = ua.indexOf('hotjava')) != -1 )
  {
    // hotjava
    navigator.family  = 'hotjava';
    navigator.org    = 'sun';
    navigator.version  = parseFloat(navigator.appVersion);
  }

  window.onerror = oldOnError;
}

function body_onload( )
{
	var correction = 2;
	if( navigator.org == 'microsoft' && navigator.version < 8) {
		correction = 30;
	}
 
 	var divToHide = window.document.getElementById('waiting_div');
	var divToShow = window.document.getElementById('hidden_div');
	
	if( divToHide ) divToHide.style.display = 'none';
	if( divToShow ) divToShow.style.display = 'inline';
  
 	window.parent.document.getElementById( 'right_frame' ).height = window.document.body.scrollHeight + 30;
//	window.parent.parent.document.getElementById( 'myiframe').height = window.parent.document.body.scrollHeight+correction;
}

function body_onunload( )
{
 	var divToHide = window.document.getElementById('waiting_div');
	var divToShow = window.document.getElementById('hidden_div');
	
	if( divToHide ) divToHide.style.display = 'inline';
	if( divToShow ) divToShow.style.display = 'none';
}


function getParameter ( queryString, parameterName ) 
{
	// Add "=" to the parameter name (i.e. parameterName=value)
	var parameterName = parameterName + "=";
	if ( queryString.length > 0 ) {
		// Find the beginning of the string
		begin = queryString.indexOf ( parameterName );
		// If the parameter name is not found, skip it, otherwise return the value
		if ( begin != -1 ) {
			// Add the length (integer) to the beginning
			begin += parameterName.length;
			// Multiple parameters are separated by the "&" sign
			end = queryString.indexOf ( "&" , begin );
			if ( end == -1 ) {
				end = queryString.length
			}
			// Return the string
			return unescape ( queryString.substring ( begin, end ) );
		}
		// Return "null" if no parameter has been found
		return "null";
	}
	return "null";
}

xbDetectBrowser();

