function getObj(item_id) {
	return document.getElementById(item_id);
}

// ############# - BROWSER DETECT - #############
// BROWSER TYPE		= BrowserDetect.browser
// BROWSER VERSION	= BrowserDetect.version
// OPERATVE SYSTEM	= BrowserDetect.OS
// ################################################
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();

if (BrowserDetect.browser == 'Explorer')  {
	if (BrowserDetect.version == 7) {
		var BrowserType = 'msie7';
	} else {
		var BrowserType = 'msie';
	}
} else if (BrowserDetect.browser == 'Firefox') {
	var BrowserType = 'firefox';
} else {
	var BrowserType = '';
}
// ################### - FINE - ###################

function loginForm(linkObj) {
	if (BrowserType == 'msie') {
		try {
			getObj('claim_txt_id').className = 'right_colAlpha';
		} catch(e) {};
		getObj('lang_toolbar_id').className = 'alpha20';
		if (BrowserDetect.version > 6) {
			getObj('right_col_alpha').className = 'right_colAlpha';
		}
	}
	if ((BrowserType == 'msie') && (BrowserDetect.version < 7) ) {
	} else {
		getObj('container_all').className = 'alpha20';
		getObj('log_in_td').className = 'right toolbar selected';
	}
	selectControl('hide');
	getObj('login_form').style.display = '';
	if (linkObj) {
		linkObj.blur();
	}
}

function chiudiLoginForm() {
	if (BrowserType == 'msie') {
		try {
			getObj('claim_txt_id').className = '';
		} catch(e) {};
		getObj('lang_toolbar_id').className = '';
		getObj('right_col_alpha').className = '';
	}
	if ((BrowserType == 'msie') && (BrowserDetect.version < 7) ) {
	} else {
		getObj('container_all').className = '';
		getObj('log_in_td').className = 'right toolbar unselected';
	}
	selectControl('show');
	getObj('login_form').style.display = 'none';
	getObj('login_error_message').style.display = 'none';
}

function selectControl(action) {
	var selectObj = document.getElementsByTagName('select');
	for (var i=0;i<selectObj.length;i++) {
		if (action == 'show') {
			selectObj[i].style.display = '';
			itemInput = selectObj[i].parentNode.getElementsByTagName('input');
			for (var j=0;j<itemInput.length;j++) {
				itemInput[j].style.display = 'none';
			}
		} else {
			selectObj[i].style.display = 'none';
			itemInput = selectObj[i].parentNode.getElementsByTagName('input');
			for (var j=0;j<itemInput.length;j++) {
				itemInput[j].style.display = '';
			}
		}
	}
}

function goURL(theLink) {
	document.location.href = theLink;
}