function onlyNumbers(e)
{
	var keynum;
	var keychar;
	var numcheck;
	
	if (e.ctrlKey) return;
	
	if (window.event) // IE
	{
		keynum = e.keyCode;
	}
	else if (e.charCode) // Netscape/Firefox/Opera
	{
		keynum = e.charCode;
	}

	if (keynum > 32)
	{
		keychar = String.fromCharCode(keynum);
		numcheck = /\d/;
		return numcheck.test(keychar);
	}
	else
	{
		return String.fromCharCode(keynum);
	}
}

function validate_login(frm)
{
	if (frm.phone_login.value == '')
	{
		alert(login_phone_noblank);
		return false;
	}
	
	if (frm.txtpassword.value == '')
	{
		alert(login_password_noblank);
		return false;
	}
}

function insufficientPrivileges()
{
	alert(error_insufficient_privileges);
	return false;
}

function getBrowserName()
{
	var browserName = "";

	var ua = navigator.userAgent.toLowerCase();
	
	if (ua.indexOf("opera") != -1)
	{
		browserName = "opera";
	}
	else if (ua.indexOf("msie") != -1)
	{
		browserName = "msie";
	}
	else if (ua.indexOf("safari") != -1)
	{
		browserName = "safari";
	}
	else if (ua.indexOf("mozilla") != -1)
	{
		if (ua.indexOf("firefox") != -1)
		{
			browserName = "firefox";
		}
		else
		{
			browserName = "mozilla";
		}
	}
	return browserName;
};