var niceTime = (function() {

    var ints = {
        "秒": 1,
        "分": 60,
        "時間": 3600,
        "日": 86400,
        "週間": 604800,
        "ヶ月": 2592000,
        "年": 31536000
    };

    return function(time) {
	
		//alert(new Date(strtotime(time)));

        time = +new Date(time);

        var gap = ((+new Date()) - time) / 1000,
            amount, measure;

        for (var i in ints) {
            if (gap > ints[i]) { measure = i; }
        }

		//alert(time)

        amount = gap / ints[measure];
        amount = gap > ints.day ? (Math.round(amount * 100) / 100) : Math.round(amount);
        amount += measure + '前';
		
		//alert(measure);
		
		//alert(amount);
		
        return "約"+String(amount);
    };

})();











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"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	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();

function detect()
{
	return BrowserDetect;
}


function userLink(user)
{
	var url = "http://twitter.com/"+user;
	return url;
}
/*
function getRTLink(user, text)
{
	var url = "http://twitter.com/home?status=RT%20@"+user+"%20"+text;
	return url;
}
*/
/*
function getPermaLink(user, commentid)
{
	var url = "http://twitter.com/"+user+"/status/"+commentid;
	return url;
}
*/
function openWin(url)
{
	window.open(url, null);
}



function extractLink(input_content)
{
	var re = /(http|https|ftp)([^ ]+)/ig;
	var arr=input_content.split(" ");

	for (var i=0; i < arr.length; i++) {
		var data = arr[i];
		data=data.replace(re, '<a href="$1$2" target="_blank">$1$2</a>');
		arr[i]=data;
	}

	return arr.join(" ");
	
}