/*******************************************************************************
*  ruthsarian_utilities.js : 2004.12.03
* -----------------------------------------------------------------------------
*  A group of useful JavaScript utilities that can aid in the development
*  of webpages.
*******************************************************************************/
 
/* event_attach() takes care of attaching event handlers (functions) to events. this 
 * simplifies the process of attaching multiple handlers to a single event
 */
function event_attach( event , func )
{
 if ( ( typeof( func ) ).toLowerCase() != 'function' )
 {
  return;
 }
 if ( ( typeof( document.event_handlers ) ).toLowerCase() == 'undefined' )
 {
  document.event_handlers = new Array();
 }
 if ( ( typeof( document.event_handlers[ event ] ) ).toLowerCase() == 'undefined' )
 {
  document.event_handlers[ event ] = new Array();
 }
 if ( window.attachEvent )
 {
  window.attachEvent( event , func );
 }
 else
 {
  if ( ( typeof( eval( 'window.' + event ) ) ).toLowerCase() != 'function' )
  {
   eval( 'window.' + event + ' = function () { if ( ( typeof( document.event_handlers[ \'' + event + '\' ] ) ).toLowerCase() != \'undefined\' ) { for ( i = 0 ; i < document.event_handlers[ \'' + event + '\' ].length ; i++ ) { document.event_handlers[ \'' + event + '\' ][ i ](); } } } ' );
  }
  document.event_handlers[ event ][ document.event_handlers[ event ].length ] = func;
 }
}
 
/* browser_detect() creates a simple object that can be used to determine what
 * browser the client is using. this is useful in many areas.
 */
function browser_detect() 
{
 var ua   = navigator.userAgent.toLowerCase(); 
 this.ua   = ua;
 this.isGecko  = ( ua.indexOf( 'gecko' ) != -1 );
 this.isMozilla  = ( this.isGecko && ua.indexOf( "gecko/" ) + 14 == ua.length);
 this.isIE  = ( ( ua.indexOf( "msie" ) != -1 ) && ( ua.indexOf( "opera" ) == -1) && ( ua.indexOf( "webtv" ) == -1 ) );
 this.isOpera  = ( ua.indexOf( "opera" ) != -1 );
 this.isKonqueror = ( ua.indexOf( "konqueror" ) != -1 );
 this.isIcab  = ( ua.indexOf( "icab" ) != -1 );
 this.isAol  = ( ua.indexOf( "aol" ) != -1 );
 this.isWebtv  = ( ua.indexOf( "webtv" ) != -1 );
 this.isOmniweb  = ( ua.indexOf( "omniweb" ) != -1 );
 this.isDreamcast = ( ua.indexOf( "dreamcast" ) != -1 );
 this.versionMinor = parseFloat( navigator.appVersion );
 if ( this.isNS && this.isGecko ) 
 {
  this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf( '/' ) + 1 ) );
 } 
 else if ( this.isIE && this.versionMinor >= 4 ) 
 {
  this.versionMinor = parseFloat( ua.substring( ua.indexOf( 'msie ' ) + 5 ) );
 } 
 else if ( this.isOpera ) 
 {
  if ( ua.indexOf( 'opera/' ) != -1 ) 
  {
   this.versionMinor = parseFloat( ua.substring( ua.indexOf( 'opera/' ) + 6 ) );
  }
  else 
  {
   this.versionMinor = parseFloat( ua.substring( ua.indexOf( 'opera ' ) + 6 ) );
  }
 } 
 else if ( this.isKonqueror ) 
 {
  this.versionMinor = parseFloat( ua.substring( ua.indexOf( 'konqueror/' ) + 10 ) );
 } 
 else if ( this.isIcab ) 
 {
  if ( ua.indexOf( 'icab/' ) != -1 ) 
  {
   this.versionMinor = parseFloat( ua.substring( ua.indexOf( 'icab/' ) + 6 ) );
  }
  else 
  {
   this.versionMinor = parseFloat( ua.substring( ua.indexOf( 'icab ' ) + 6 ) );
  }
 } 
 else if ( this.isWebtv )
 {
  this.versionMinor = parseFloat( ua.substring( ua.indexOf( 'webtv/' ) + 6 ) );
 }
 this.versionMajor = parseInt( this.versionMinor ); 
 this.isWin  = ( ua.indexOf( 'win' ) != -1 );
 this.isWin32  = ( this.isWin && ( ua.indexOf( '95' ) != -1 || ua.indexOf( '98' ) != -1 || ua.indexOf( 'nt' ) != -1 || ua.indexOf( 'win32' ) != -1 || ua.indexOf( '32bit' ) != -1 ) );
 this.isMac  = ( ua.indexOf( 'mac' ) != -1 );
 this.isUnix  = ( ua.indexOf( 'unix' ) != -1 || ua.indexOf( 'linux' ) != -1 || ua.indexOf( 'sunos' ) != -1 || ua.indexOf( 'bsd' ) != -1 || ua.indexOf( 'x11' ) != -1 );
 this.isIE55  = ( this.isIE && this.versionMinor == 5.5 );
 this.isIE5up  = ( this.isIE && this.versionMajor >= 5 );
 this.isIE6up  = ( this.isIE && this.versionMajor >= 6 );
}
 
/* opacity() will enable PNG transparency for Internet Explorer
 */
function opacity( strId , strPath , intWidth , intHeight , strClass , strAlt )
{ 
 if ( document.pngAlpha )
 {
  document.write( '<div style="height:'+intHeight+'px;width:'+intWidth+'px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+strPath+'.png\', sizingMethod=\'scale\')" id="'+strId+'" class="'+strClass+'"></div>' );
 }
 else if ( document.pngNormal )
 {
  document.write( '<img src="'+strPath+'.png" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' );
 }
 else if ( document.layers )
 {
  return( '<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' );
 }
 else
 {
  document.write( '<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' );
 }
 return( '' );
}
 
/* opacity_init() handles some variable initializations required for opacity() to function
 */
function opacity_init()
{
 var browser = new browser_detect();
 document.pngAlpha = false;
 document.pngNormal = false;
 document.strExt = ".gif";
 
 if ( ( browser.isIE55 || browser.isIE6up ) && browser.isWin32 )
 {
  document.pngAlpha = true;
  document.strExt = ".png";
 }
 else if ( 
   ( browser.isGecko ) || 
   ( browser.isIE5up && browser.isMac ) || 
   ( browser.isOpera && browser.isWin && browser.versionMajor >= 6 ) || 
   ( browser.isOpera && browser.isUnix && browser.versionMajor >= 6 ) || 
   ( browser.isOpera && browser.isMac && browser.versionMajor >= 5 ) || 
   ( browser.isOmniweb && browser.versionMinor >= 3.1 ) || 
   ( browser.isIcab && browser.versionMinor >= 1.9 ) || 
   ( browser.isWebtv ) || 
   ( browser.isDreamcast ) 
  )
 {
  document.pngNormal = true;
  document.strExt = ".png";
 }
}
 
/* handler for Netscape Navigator clients that screw up the display
 * of CSS pages when reloaded
 */
function NN_reloadPage( init )
{
 if ( init == true ) with ( navigator )
 {
  if ( ( appName == "Netscape" ) && ( parseInt ( appVersion ) == 4 ) )
  {
   document.NN_pgW = innerWidth;
   document.NN_pgH = innerHeight;
   event_attach ( 'onresize' , NN_reloadPage );
  }
 }
 else if ( innerWidth != document.NN_pgW || innerHeight != document.NN_pgH )
 {
  location.reload();
 }
}
 
/* set_min_width() initializes min-width-like functionality
 */
function set_min_width( obj_name , min_width , ieOnly )
{
 
 if ( ( typeof( ieOnly ) ).toLowerCase() == 'undefined' )
 {
  ieOnly = true;
 }
 if ( ieOnly == false || ( document.getElementById && navigator.appVersion.indexOf( "MSIE" ) > -1 && !window.opera ) )
 {
  document.min_width_obj_name = obj_name;
  document.min_width_size = min_width;
  document.resizing = false;
  event_attach( 'onload' , control_min_width );
  event_attach( 'onresize' , control_min_width );
 }
}
 
/* control_min_width() is the event handler setup and used by set_min_width()
 * it is based on the Project Seven min-width code
 */
function control_min_width()
{
 
 var cw , w , pl , pr , ml , mr , br , bl , ad , theDiv = document.min_width_obj_name;
 var g = document.getElementById( theDiv );
 w = parseInt(document.min_width_size);
 if ( g && document.body && document.body.clientWidth )
 {
  gs = g.currentStyle;
  cw = parseInt( document.body.clientWidth );
  pl = parseInt( gs.paddingLeft );
  pr = parseInt( gs.paddingRight );
  ml = parseInt( gs.marginLeft );
  mr = parseInt( gs.marginRight );
  bl = parseInt( gs.borderLeftWidth );
  br = parseInt( gs.borderRightWidth );
  ml = ml ? ml : 0;
  mr = mr ? mr : 0;
  pl = pl ? pl : 0;
  pr = pr ? pr : 0;
  bl = bl ? bl : 0;
  br = br ? br : 0;
  ad = pl + pr + ml + mr + bl + br;
  if ( cw <= w )
  {
   w -= ad;
   g.style.width = w + "px";
  }
  else
  {
   g.style.width = "auto";
  }
 }
}
 
/* set_min_width_rs() takes a different approach to emulating min-width functionality
 */
function set_min_width_rs( element_id , min_width )
{
 if ( document.getElementById && navigator.appVersion.indexOf( "MSIE" ) > -1 && !window.opera )
 {
  document.mw_element_id = element_id;
  document.mw_min_width = min_width;
  event_attach( 'onload' , control_min_width_rs );
  event_attach( 'onresize' , control_min_width_rs );
 }
}
 
/* control_min_width_rs() is the event handler used by set_min_width_rs. This method fixes a couple bugs with
 * the p7 approach that can lead to the browser crashing. This method specifically targets IE although perhaps
 * it could be modified to work with other browsers later.
 */
function control_min_width_rs()
{
 var e = document.getElementById( document.mw_element_id );
 var offset = parseInt( 0 + e.currentStyle.paddingLeft ) + parseInt( 0 + e.currentStyle.paddingRight ) + parseInt( 0 + e.currentStyle.borderLeftWidth ) + parseInt( 0 + e.currentStyle.borderRightWidth );
 
 if ( ( document.body.clientWidth - ( e.offsetLeft * 2 ) ) <= ( document.mw_min_width - offset ) && parseInt( 0 + e.style.width ) != document.mw_min_width )
  e.style.width = document.mw_min_width + "px";
 else if ( document.body.clientWidth > ( document.mw_min_width + offset + e.offsetLeft * 2 ) )
  e.style.width = "auto";
 
// self.status = document.body.clientWidth + " " + ( document.mw_min_width + offset + e.offsetLeft * 2 );
// self.status += " " + ( document.body.clientWidth > ( document.mw_min_width + offset + e.offsetLeft * 2 ) )
}
 
/* a work in progress to get drop-down CSS-based menus 
 */
function css_drop_menus_init( elementId )
{
 if ( document.all && document.getElementById )
 {
  navRoot = document.getElementById( elementId );
  if ( navRoot != null )
  {
   for ( var i = 0 ; i < navRoot.childNodes.length ; i++ )
   {
    node = navRoot.childNodes[ i ];
    if ( node.nodeName.toLowerCase() == "li" )
    {
     node.onmouseover = function() 
     {
      this.className += " over";
     }
     node.onmouseout = function() 
     {
      this.className = this.className.replace( " over" , "" );
     }
    }
   }
  }
 }
}
var newWindow = null; 
function closeWin(){ 
if (newWindow != null){ 
if(!newWindow.closed) 
newWindow.close(); 
} 
} 

function popUpWin(url, type, strWidth, strHeight){ 

closeWin(); 

if (type == "fullScreen"){ 

strWidth = screen.availWidth - 10; 
strHeight = screen.availHeight - 160; 
} 

var tools=""; 
if (type == "standard" || type == "fullScreen") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+strWidth+",height="+strHeight+",top=0,left=0"; 
if (type == "console") tools = "resizable,toolbar=no,location=no,scrollbars=no,width="+strWidth+",height="+strHeight+",left=0,top=0"; 
newWindow = window.open(url, 'newWin', tools); 
newWindow.focus(); 
}