function onInitDl ( ) {
	
	if ( navigator.appVersion.indexOf("Win") != -1 ) {
		$('#os-name').text ( 'Windows XP / Vista / 7' );
		$('#os-name-ty').text ( 'Windows XP / Vista / 7' );
		$('#os-img-win').show ( );
		$('#btn-download').attr("href", "http://goplayalong.com/download/installer.php?src=ws&os=win")
	}
	
	else if ( navigator.appVersion.indexOf("Mac") != -1 ) {
		$('#os-name').text ( 'Mac OS X 10.6 - 10.7' );
		$('#os-name-ty').text ( 'Mac OS X 10.6 - 10.7' );
		$('#os-img-mac').show ( );
		$('#btn-download').attr("href", "http://goplayalong.com/download/installer.php?src=ws&os=mac")
	}
	
	else if ( navigator.appVersion.indexOf("Linux") != -1 ) {
		$('#os-img-linux').show ( );
	}

	else {
		$('#os-img-air').show ( );
	}
	
	$('#btn-download').click ( function ( ) {
		$('#index-cont').hide ( 'slow' );
		$('#ty-cont').show ( 'slow' );
	} );
	
	$('#btn-back').click ( function ( ) {
		$('#index-cont').show ( 'slow' );
		$('#ty-cont').hide ( 'slow' );
	} );
	
}