// ie 6 png fix
(function($) {
	$.fn.pngfix = function(options) {

		// Review the Microsoft IE developer library for AlphaImageLoader reference
		// http://msdn2.microsoft.com/en-us/library/ms532969(VS.85).aspx

		// ECMA scope fix
		var elements 	= this;
		var settings 	= $.extend({
			imageFixSrc: 	false,
			sizingMethod: 	false
		}, options);

		if(!$.browser.msie || ($.browser.msie &&  $.browser.version >= 7)) {
			return(elements);
		}

		function setFilter(el, path, mode) {
			var fs = el.attr("filters");
			var alpha = "DXImageTransform.Microsoft.AlphaImageLoader";
			if (fs[alpha]) {
				fs[alpha].enabled = true;
				fs[alpha].src = path;
				fs[alpha].sizingMethod = mode;
			} else {
				el.css("filter", 'progid:' + alpha + '(enabled="true", sizingMethod="' + mode + '", src="' + path + '")');
			}
		}

		function setDOMElementWidth(el) {
			if(el.css("width") == "auto" & el.css("height") == "auto") {
				el.css("width", el.attr("offsetWidth") + "px");
			}
		}

		return(
			elements.each(function() {

				// Scope
				var el = $(this);

				if(el.attr("tagName").toUpperCase() == "IMG" && (/\.png/i).test(el.attr("src"))) {
					if(!settings.imageFixSrc) {

						// Wrap the <img> in a <span> then apply style/filters,
						// removing the <img> tag from the final render
						el.wrap("<span></span>");
						var par = el.parent();
						par.css({
							height: 	el.height(),
							width: 		el.width(),
							display: 	"inline-block"
						});
						setFilter(par, el.attr("src"), "scale");
						el.remove();
					} else if((/\.gif/i).test(settings.imageFixSrc)) {

						// Replace the current image with a transparent GIF
						// and apply the filter to the background of the
						// <img> tag (not the preferred route)
						setDOMElementWidth(el);
						setFilter(el, el.attr("src"), "image");
						el.attr("src", settings.imageFixSrc);
					}

				} else {
					var bg = new String(el.css("backgroundImage"));
					var matches = bg.match(/^url\("(.*)"\)$/);
					if(matches && matches.length) {

						// Elements with a PNG as a backgroundImage have the
						// filter applied with a sizing method relevant to the
						// background repeat type
						setDOMElementWidth(el);
						el.css("backgroundImage", "none");

						// Restrict scaling methods to valid MSDN defintions (or one custom)
						var sc = "crop";
						if(settings.sizingMethod) {
							sc = settings.sizingMethod;
						}
						setFilter(el, matches[1], sc);

						// Fix IE peek-a-boo bug for internal links
						// within that DOM element
						el.find("a").each(function() {
							$(this).css("position", "relative");
						});
					}
				}

			})
		);
	}

})(jQuery)


// fixes for IE-7 cleartype bug on fade in/out
jQuery.fn.fadeIn = function(speed, callback) {
 return this.animate({opacity: 'show'}, speed, function() {
  if (jQuery.browser.msie) this.style.removeAttribute('filter');
  if (jQuery.isFunction(callback)) callback();
 });
};

jQuery.fn.fadeOut = function(speed, callback) {
 return this.animate({opacity: 'hide'}, speed, function() {
  if (jQuery.browser.msie) this.style.removeAttribute('filter');
  if (jQuery.isFunction(callback)) callback();
 });
};

jQuery.fn.fadeTo = function(speed,to,callback) {
 return this.animate({opacity: to}, speed, function() {
  if (to == 1 && jQuery.browser.msie) this.style.removeAttribute('filter');
  if (jQuery.isFunction(callback)) callback();
 });
};

// simple nav. fade
function navigationeffects(){
jQuery(" ul#nav ul ").css({display: "none"}); 
jQuery("ul#nav li").hover(function(){
  jQuery(this).find('ul:first').css({visibility: "visible",display: "none"}).fadeIn(333);
 },function(){
    jQuery(this).find('ul:first').css({visibility: "hidden"});
   });
}

// simple tooltips
function webshot(target_items, name){
 jQuery(target_items).each(function(i){
		jQuery("body").append("<div class='"+name+"' id='"+name+i+"'><p><img src='http://images.websnapr.com/?size=s&amp;url="+jQuery(this).attr('href')+"' /></p></div>");
		var my_tooltip = jQuery("#"+name+i);

		jQuery(this).mouseover(function(){
				my_tooltip.css({opacity:0.8, display:"none"}).fadeIn(400);
		}).mousemove(function(kmouse){
				my_tooltip.css({left:kmouse.pageX+15, top:kmouse.pageY+15});
		}).mouseout(function(){
				my_tooltip.fadeOut(400);
		});
	});
}


// init.

jQuery(document).ready(function(){
  jQuery(".comment .avatar").pngfix();


  // rss popup link
  jQuery("ul.menu li.cat-item").hover(function() {
		jQuery(this).find("a.rss").animate({opacity: "show", top: "1", right: "6"}, "333");
	}, function() {
		jQuery(this).find("a.rss").animate({opacity: "hide", top: "-15", right: "6"}, "333");
	});

  // reply/quote links
  jQuery(".comment-head").hover(function() {
		jQuery(this).find("p.controls").animate({opacity: "show", top: "4", right: "6"}, "333");
	}, function() {
		jQuery(this).find("p.controls").animate({opacity: "hide", top: "-15", right: "6"}, "333");
	});

  // fade span
  jQuery('.fadeThis, ul#footer-widgets li.widget li').append('<span class="hover"></span>').each(function () {
    var jQueryspan = jQuery('> span.hover', this).css('opacity', 0);
	  jQuery(this).hover(function () {
	    jQueryspan.stop().fadeTo(333, 1);
	  }, function () {
	    jQueryspan.stop().fadeTo(333, 0);
	  });
	});


  jQuery('#sidebar ul.menu li li a').mouseover(function () {
   	jQuery(this).animate({ marginLeft: "5px" }, 100 );
  });
  jQuery('#sidebar ul.menu li li a').mouseout(function () {
    jQuery(this).animate({ marginLeft: "0px" }, 100 );
  });


  jQuery('a.toplink').click(function(){
    jQuery('html').animate({scrollTop:0}, 'slow');
  });

  navigationeffects();

  webshot(".with-tooltip a","tooltip");

 });