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 getWindowHeight()
{
  if(window.self && self.innerHeight)
    return self.innerHeight;
  if(document.documentElement && document.documentElement.clientHeight)
    return document.documentElement.clientHeight;
  return document.body.clientHeight - 14;
}

function getWindowWidth()
{
  if(window.self && self.innerWidth)
    return self.innerWidth;
  if(document.documentElement && document.documentElement.clientWidth)
    return document.documentElement.clientWidth;
  return document.body.clientWidth;
}

function getWindowX()
{
if(0)
{
  if(document.documentElement && document.documentElement.clientLeft)
    return document.documentElement.clientLeft;
  return document.body.clientLeft;
}
else
  return (document.all)?window.screenLeft:window.screenX;
//  return document.body.clientLeft;
}

function getWindowY()
{
if(0)
{
  if(document.documentElement && document.documentElement.clientTop)
    return document.documentElement.clientTop;
  return document.body.clientTop;
}
else
  return (document.all)?window.screenTop:window.screenY;
//  return document.body.clientTop;
}

function getElementWidth(id)
{
  return document.getElementById(id).offsetWidth;
}

function getElementHeight(id)
{
  return document.getElementById(id).offsetHeight;
}