var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "chrome"
		},
		{
			prop: window.opera,
			identity: "opera"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "IE",
			versionSearch: "MSIE"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();
if (BrowserDetect.browser == 'IE') {
    if (navigator.userAgent.match(/MSIE 8/)) {
        BrowserDetect.browser = "ie8"
    }
    if (navigator.userAgent.match(/MSIE 7/)||navigator.userAgent.match(/MSIE 8/)) {
        BrowserDetect.browser = "ie7"
    }
    else 
        if (navigator.userAgent.match(/MSIE 6/) || navigator.userAgent.match(/MSIE 5/)) {
            BrowserDetect.browser = "ie"
        }
}
document.write('<style type="text/css">@import url(http://linkfeed.ru/blog/css/' + BrowserDetect.browser + '.css);</style>');

$(document).ready(function(){

	jQuery.preloadImages = function()
	{
		for (var i = 0; i<arguments.length; i++)
		{
			jQuery("<img>").attr("src", arguments[i]);
		}
	}

	$.preloadImages('images/hover.png');
	$.pngfix('images/blank.gif');
	$('img[@src$=.png]').pngfix();
	$('.hover').pngfix().pngunfix().pngfix();


	$(".head_wrapper span").append("<em></em>");
	$(".head_wrapper span").hover(function() {
		$(this).find("em").animate({opacity: "show", top: "-75"}, "slow");
		var hoverText = $(this).attr("title");
	    $(this).find("em").text(hoverText);
	}, function() {
		$(this).find("em").animate({opacity: "hide", top: "-85"}, "fast");
	});
});