function Validate_Email(Field,AlertTxt)
{
	with( Field )
	{
		apos		=	value.indexOf("@");
		dotpos		=	value.lastIndexOf(".");
		varlength	=	value.length;
		if ( (apos < 1) || (dotpos - apos < 2) )
		{
			alert(AlertTxt);
			return false;
		}
		if ( varlength <= (dotpos + 1) )
		{
			alert("Please enter a suffix of domain.");
			return false;
		}
		else
		{
			return true;
		}
	}
}
function Validation_Contact_Us(thisform)
{
	with( thisform )
	{
		if( (FullName.value.charAt(0) == " ") || (FullName.value.charAt(1) == " ") || ((FullName.value.charAt(0) == " ") && (FullName.value.charAt(1) == " ")) || (FullName.value == "") || (FullName.value.length < 2) )
		{
			alert("Please insert the full name correctly.");
			FullName.focus();
			return false;
		}
		if( Country.value == "" )
		{
			alert("Please select the country.");
			Country.focus();
			return false;
		}
		if( EmailAddress.value == "" )
		{
			alert("Please insert a valid email.");
			EmailAddress.focus();
			return false;
		}
		if( Validate_Email(EmailAddress,"Please insert a valid email.") == false )
		{
			EmailAddress.focus();
			return false;
		}
		if( (Comments.value.charAt(0) == " ") || (Comments.value.charAt(1) == " ") || ((Comments.value.charAt(0) == " ") && (Comments.value.charAt(1) == " ")) || (Comments.value == "") || (Comments.value.length < 2) )
		{
			alert("Please insert the comments.");
			Comments.focus();
			return false;
		}
		return true;
	}
}
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();
dataBrowser: [
	{
		prop: window.opera,
		identity: "Opera" // note: no comma
	},
	{
		string: navigator.userAgent,
		subString: "MSIE",
		identity: "Explorer",
		versionSearch: "MSIE" // note: no comma
	} // note: no comma
];
//alert(BrowserDetect.browser);
//alert(BrowserDetect.version);