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: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			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.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};

function setup()
{
  BrowserDetect.init();

  //alert(BrowserDetect.browser + " " + BrowserDetect.version + " " + BrowserDetect.OS); 

  if (BrowserDetect.OS == "Linux" && BrowserDetect.browser != "Mozilla")
  {
    /* espaçamento dos itens do menu */
    document.styleSheets[0].cssRules[9].style.margin = "0px 8px 0px 0px";
    document.styleSheets[0].cssRules[10].style.padding = "0px 0px 0px 13px";
  }

  if (BrowserDetect.OS == "Linux")
  {
    /* tamanho de letra da definição de panmixia */
    document.styleSheets[0].cssRules[6].style.fontSize = "10pt";
  }
}

/* FIXME REFACTORING sera que deve estar aqui? */
function color_archive_link(id)
{
  var td_el = document.getElementById(id);
  var td_divs = td_el.getElementsByTagName('div');
  td_divs.item(2).style.backgroundColor = 'transparent';
}

/* FIXME REFACTORING sera que deve estar aqui? */
function swap_archive_link(id)
{
  var td_el = document.getElementById(id);
  var td_divs = td_el.getElementsByTagName('div');
  if (td_divs.item(2).style.backgroundColor == 'transparent')
  {
    td_divs.item(2).style.backgroundColor = 'rgb(248, 240, 31)';
  }
  else
  {
    td_divs.item(2).style.backgroundColor = 'transparent';
  }
}

/* FIXME REFACTORING sera que deve estar aqui? */
function swap_img(image_name)
{
  var img = document.getElementById("main_sel");
  img.src = image_name;
}