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"
		}
	]

};
BrowserDetect.init();

var clear = true;

function submitForm(id)
{
    document.getElementById(id).submit();
}

function resetForm(id)
{
    document.getElementById(id).reset();
}

function clearNewsletter(object)
{
    if (clear)
    {
        object.value = '';
        clear = false;
    }
}

function subscribeNewsletter(name, email, errorMessageName, errorMessageEmail) 
{
	var error = '';
	var nameValue = document.getElementById(name).value;
    var emailValue = document.getElementById(email).value;
	if (!nameValue.length)
	{
		error += errorMessageName + "\n";;
	}	
    if (emailValue.indexOf(".") <= 2 || emailValue.indexOf("@") <= 0)
    {
		error += errorMessageEmail;
    }
	if (error.length)
	{
		alert(error);
	}
	else
	{
		submitForm('newsletterForm');
	}
}

function hoverLinkOn(id, src) 
{
    var idImage = id + '_image';
    var idMenu = id + '_menu';
    document.getElementById(idMenu).style.display = 'block';
    document.getElementById(idImage).src = src;    
}

function hoverLinkOff(id, src) 
{
    var idImage = id + '_image';
    var idMenu = id + '_menu';
    document.getElementById(idMenu).style.display = 'none';
    document.getElementById(idImage).src = src;    
}

function initMenu(id) {
	jQuery('#menu_left ul').hide();
	if (parseInt(id) > 0)
	{
		id = '#category_' + id + " ul";
		jQuery(id).show();	
	}
	else
	{
		jQuery('#menu_left ul:first').show();
	}
	jQuery('#menu_left li a').click(
    function() {
      var checkElement = $(this).next();
      if((checkElement.is('ul')) && (checkElement.is(':visible'))) {
        return false;
        }
      if((checkElement.is('ul')) && (!checkElement.is(':visible'))) {
        jQuery('#menu_left ul:visible').slideUp('normal');
        checkElement.slideDown('normal');
        return false;
        }
      }
    );
  }