var j = jQuery.noConflict();

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}

j.fn.innerfade = function(options) {
	return this.each(function(){ 	
		
		var settings = {
			speed: 'normal',
			timeout: 2000,
			type: 'sequence',
			containerheight: 'auto'
		}
		if(options)
			j.extend(settings, options);
		var elements = $(this).children().get();
		if (elements.length > 1) {
			j(this).parent().css('position', 'relative');
			j(this).css('height', settings.containerheight);
			for ( var i = 0; i < elements.length; i++ ) {
				j(elements[i]).css('z-index', elements.length - i).css('position', 'absolute');
				j(elements[i]).hide();
			}
			if ( settings.type == 'sequence' ) {
				setTimeout(function(){
					j.innerfade.next(elements, settings, 1, 0);
				}, settings.timeout);
				j(elements[0]).show();
			}
			else if ( settings.type == 'random' ) {
				setTimeout(function(){
					do { current = Math.floor ( Math.random ( ) * ( elements.length ) ); } while ( current == 0 )
					j.innerfade.next(elements, settings, current, 0);
				}, settings.timeout);
				j(elements[0]).show();
			}
			else {
				alert('type must either be \'sequence\' or \'random\'');
			}
		}
	});
};
j.innerfade = function() {}
j.innerfade.next = function (elements, settings, current, last) {
	j(elements[last]).fadeOut(settings.speed);
	j(elements[current]).fadeIn(settings.speed);
	if ( settings.type == 'sequence' ) {
		if ( ( current + 1 ) < elements.length ) {
			current = current + 1;
			last = current - 1;
		}
		else {
			current = 0;
			last = elements.length - 1;
		}
	}
	else if ( settings.type == 'random' ) {
		last = current;
		while (	current == last ) {
			current = Math.floor ( Math.random ( ) * ( elements.length ) );
		}
	}
	else {
		alert('type must either be \'sequence\' or \'random\'');
	}
	setTimeout((function(){$.innerfade.next(elements, settings, current, last);}), settings.timeout);
}