// Browser Detect Lite  v2.1
// http://www.dithered.com/javascript/browser_detect/index.html
// modified by Chris Nott (chris@NOSPAMdithered.com - remove NOSPAM)
//
// modified by Michael Lovitt to include OmniWeb and Dreamcast

function BrowserDetectLite(){
  var ua   = navigator.userAgent.toLowerCase(); 
  this.ua  = ua;

  // browser name
  this.isGecko     = (ua.indexOf('gecko') != -1);
  this.isMozilla   = (this.isGecko && ua.indexOf("gecko/") + 14 == ua.length);
  this.isNS        = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
  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);
  
  // spoofing and compatible browsers
  this.isIECompatible = ( (ua.indexOf("msie") != -1) && !this.isIE);
  this.isNSCompatible = ( (ua.indexOf("mozilla") != -1) && !this.isNS && !this.isMozilla);
  
  // browser version
  this.versionMinor = parseFloat(navigator.appVersion); 
  
  // correct version number for NS6+ 
  if (this.isNS && this.isGecko) {
    this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
  }
  
  // correct version number for IE4+ 
  else if (this.isIE && this.versionMinor >= 4) {
    this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
  }
  
  // correct version number for Opera 
  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 ) );
    }
  }
  
  // correct version number for Konqueror
  else if (this.isKonqueror) {
    this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
  }
  
  // correct version number for iCab 
  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 ) );
    }
  }
  
  // correct version number for WebTV
  else if (this.isWebtv) {
    this.versionMinor = parseFloat( ua.substring( ua.indexOf('webtv/') + 6 ) );
  }
  
  this.versionMajor = parseInt(this.versionMinor); 
  this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
  
  // platform
  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)
  
  // specific browser shortcuts
  this.isNS4x   = (this.isNS && this.versionMajor == 4);
  this.isNS40x  = (this.isNS4x && this.versionMinor < 4.5);
  this.isNS47x  = (this.isNS4x && this.versionMinor >= 4.7);
  this.isNS4up  = (this.isNS && this.versionMinor >= 4);
  this.isNS6x   = (this.isNS && this.versionMajor == 6);
  this.isNS6up  = (this.isNS && this.versionMajor >= 6);
  
  this.isIE4x   = (this.isIE && this.versionMajor == 4);
  this.isIE4up  = (this.isIE && this.versionMajor >= 4);
  this.isIE5x   = (this.isIE && this.versionMajor == 5);
  this.isIE55   = (this.isIE && this.versionMinor == 5.5);
  this.isIE5up  = (this.isIE && this.versionMajor >= 5);
  this.isIE6x   = (this.isIE && this.versionMajor == 6);
  this.isIE6up  = (this.isIE && this.versionMajor >= 6);
  this.isIE7x   = (this.isIE && this.versionMajor == 7);
  this.isIE7up  = (this.isIE && this.versionMajor >= 7);
  
  this.isIE4xMac = (this.isIE4x && this.isMac);
}
var browser = new BrowserDetectLite();

//--[Check browsers that can display png images]-----------------------------------------------------------------------------------------------//
/*
  1. Function for piclist Multisite banners
    checkImages(image name,array object);
    
    Example:
      checkImages('image_',pngImg);

  2. Function to use for just certain images.
    pngImage(image reference, image source)
    
    Example: 
      pngImage(document.images.thisimage,'http://graphics.pop6.com/images/cams/logo160x40.png');
*/

var png       = false; 
var pngFilter = false;

// Show png images for these browsers. For all other browsers show gif image.
// Check for IE5.5+ through 6+ on Win32, then display PNGs with AlphaImageLoader
if(((browser.isIE55 || browser.isIE6x || browser.isIE6up) && (!browser.isIE7x || !browser.isIE7up) && browser.isWin32 )){
  pngFilter = true;
  png       = true;
// Show png images for these browsers, no filter needed
}else if( (browser.isIE7up) || (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)){
  png       = true;
}

//--[Function for piclist Multisite banners]---------------------------------//
// Loop through all images and check if we have any images to replace with png images.
function checkImages(imgRef){
  var pngImg = new Array();

  // List of possible png logo images to use  
  pngImg[1] = 'http://graphics.pop6.com/images/ffadult/logo160x40.png';
  pngImg[2] = 'http://graphics.pop6.com/images/bdsm/logo160x40.png';
  pngImg[3] = 'http://graphics.pop6.com/images/out/logo160x40.png';
  pngImg[4] = 'http://graphics.pop6.com/images/cams/logo160x40.png';
  
  for(var i =0; i < document.images.length; i++){
    if(document[imgRef+i]){
      if(document[imgRef+i].src.indexOf('ffadult') > 0){
        pngImage(document[imgRef+i],pngImg[1]);
      }
      if(document[imgRef+i].src.indexOf('bdsm') > 0){
        pngImage(document[imgRef+i],pngImg[2]);
      }
      if(document[imgRef+i].src.indexOf('out') > 0){
        pngImage(document[imgRef+i],pngImg[3]);
      }
      if(document[imgRef+i].src.indexOf('cams') > 0){
        pngImage(document[imgRef+i],pngImg[4]);
      }      
    }
  }
}

//--[Function to use for just certain images]---------------------------------//
function pngImage(imgObj,PNGImage){
  if(png){
    if(pngFilter){
      imgObj.src = fixPNG(PNGImage);
    }else{
      imgObj.src = PNGImage;
    }
  }
}
  
//--[Add filter]--------------------------------------//
// Add AlphaImageLoader filter to png image
function fixPNG(myImage){  
  if (document.body.filters){    
    var imgID         = (myImage.id) ? "id='" + myImage.id + "' " : ""
    var imgClass      = (myImage.className) ? "class='" + myImage.className + "' " : ""
    var imgTitle      = (myImage.title) ? "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' "
    var imgStyle      = "display:inline-block;" + myImage.style.cssText
    var strNewHTML    = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + myImage.width + "px; height:" + myImage.height + "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>"
    myImage.outerHTML = strNewHTML;
  }
}