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"
		}
	]

};
function getBrowserInfo(){
	var info=BrowserDetect.browser+" "+BrowserDetect.version+" [OS: "+BrowserDetect.OS+"]";
	return info;
}
function getInternetExplorerVersion()
			// Returns the version of Internet Explorer or a -1
			// (indicating the use of another browser).
			{
  			var rv = -1; // Return value assumes failure.
  			if (navigator.appName == 'Microsoft Internet Explorer')
  			{
    			var ua = navigator.userAgent;
    			var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    			if (re.exec(ua) != null)
      			rv = parseFloat( RegExp.$1 );
  			}
  			return rv;
}
//resize finestra interna
function doResizeWindowContent() {
			//alert(document.getElementById('sidebar').offsetHeight);
			var ieversion=getInternetExplorerVersion();
			var heighttoset=310;
			if(document.getElementById('sidebar').offsetHeight-40>310) heighttoset=document.getElementById('sidebar').offsetHeight-40;
			if(ieversion==-1 || ieversion>=6.5){
    			//$("#content_window").css("min-height",document.getElementById('sidebar').offsetHeight-46);
    			$("#content_window").css("min-height",heighttoset);
    		}else{
    			$("#content_window").css("height",heighttoset);
    			//$("#content_window").css("height",document.getElementById('sidebar').offsetHeight-46);
    		}
};
BrowserDetect.init();