function IsFilled( f, n ) {
	if ( /\S/i.test( f.value ) == false ) {
		alert( n ); f.focus( ); f.select( ); return false;
	}
	return true;
}

function IsInteger( f, n ) {
	if ( /^\+?\d{1,8}$/i.test( f.value ) == false ) {
		alert( n ); f.focus( ); f.select( ); return false;
	}
	return true;
}

function IsNumber( f, n ) {
	if ( /^\+?\d{1,8}(\.\d{1,8})?$/i.test( f.value ) == false ) {
		alert( n ); f.focus( ); f.select( ); return false;
	}
	return true;
}

function IsEmail( f, n ) {
	if ( /^[a-z\d][a-z\d\-\._]*@([a-z\d][a-z\d\-]*)(\.[a-z\d][a-z\d\-]*)*$/i.test( f.value ) == false ) {
		alert( n ); f.focus( ); f.select( ); return false;
	}
	return true;
}

function IsPhone( f, n ) {
	if ( /^(\+\s*)?(\d+|\(\s*\d+\s*\))([ \-](\d+|\(\s*\d+\s*\))){0,3}$/i.test( f.value ) == false || /^.{6,32}$/i.test( f.value ) == false ) {
		alert( n ); f.focus( ); f.select( ); return false;
	}
	return true;
}

function IsDate( f, n ) {
	if ( /^\d{4}\-\d{2}\-\d{2}$/i.test( f.value ) == false ) {
		alert( n ); f.focus( ); f.select( ); return false;
	}
	return true;
}

function IsSelected( f, n ) {
	if ( f.options.length == 0 || f.selectedIndex < 0 || f.options[ f.selectedIndex ].value == '' ) {
		alert( n ); f.focus( ); return false;
	}
	return true;
}

function IsChecked( f, n ) {
	if ( f.length ) {
		for ( var i = 0; i < f.length; i++ ) {
			if ( f[ i ].checked == true ) {
				return true;
			}
		}
		alert( n ); f[ 0 ].focus( ); return false;
	}
	else if ( f.checked == false ) {
		alert( n ); f.focus( ); return false;
	}
	return true;
}

function GetCbValue( f ) {
	if ( f.length ) {
		for ( var i = 0; i < f.length; i++ ) {
			if ( f[ i ].checked == true ) {
				return f[ i ].value;
			}
		}
		return "";
	}
	else {
		return f.checked == true ? f.value : "";
	}
}

function GetLbValue( f ) {
	if ( f.options.length == 0 || f.selectedIndex < 0 ) {
		return "";
	}
	else {
		return f.options[ f.selectedIndex ].value;
	}
}

function SelectLbItem( f, v ) {
	if ( f.options.length == 0 ) {
		return;
	}
	for ( var i = 0; i < f.options.length; i++ ) {
		if ( f.options[ i ].value == v ) {
			f.selectedIndex = i;
			return;
		}
	}
}

function ToggleLayer( l ) {
	if ( document.getElementById ) {
		var style2 = document.getElementById( l ).style;
	}
	else if ( document.all ) {
		var style2 = document.all[ l ].style;
	}
	else if ( document.layers ) {
		var style2 = document.layers[ l ].style;
	}
	style2.display = style2.display == "none" ? "block" : "none";
}

function ToggleLayerEx( l, s ) {
	if ( document.getElementById ) {
		var style2 = document.getElementById( l ).style;
	}
	else if ( document.all ) {
		var style2 = document.all[ l ].style;
	}
	else if ( document.layers ) {
		var style2 = document.layers[ l ].style;
	}
	if ( s == true && style2.display == "none" ) style2.display = "block";
	if ( s == false && style2.display != "none" ) style2.display = "none";
}

function SetLayerText( l, v ) {
	if ( document.getElementById ) {
		document.getElementById( l ).innerHTML = v;
	}
	else if ( document.all ) {
		document.all[ l ].innerHTML = v;
	}
}

function IsPostcode( f, n ) {
	if ( /^([ABCDEFGHIJKLMNOPRSTUWYZ]{1}[ABCDEFGHKLMNOPQRSTUVWXY]?[0-9]{1,2})\s?([0-9]{1}[ABDEFGHJLNPQRSTUWXYZ]{2})$/i.test( f.value ) ) {
		return true;
	}
	else if ( /^([ABCDEFGHIJKLMNOPRSTUWYZ]{1}[0-9]{1}[ABCDEFGHJKSTUW]{1})\s?([0-9]{1}[ABDEFGHJLNPQRSTUWXYZ]{2})$/i.test( f.value ) ) {
		return true;
	}
	else if ( /^([ABCDEFGHIJKLMNOPRSTUWYZ]{1}[ABCDEFGHKLMNOPQRSTUVWXY]?[0-9]{1}[ABEHMNPRVWXY]{1})\s?([0-9]{1}[ABDEFGHJLNPQRSTUWXYZ]{2})$/i.test( f.value ) ) {
		return true;
	}
	else if ( /^GIR\s?0AA$/i.test( f.value ) ) {
		return true;
	}
	alert( n ); f.focus( ); f.select( ); return false;
}