$(document).ready(function(){
	setHeaderBgPostion();
	
	$(window).resize(function(){
		setHeaderBgPostion();
	});
	
	$('#Email')
		.data('watermark', $('#Email').val())
		.focus(function(event){
			if ($(this).val() == $(this).data('watermark'))
				$(this).val('');
		})
		.blur(function(event){
			if ($(this).val().length == 0)
				$(this).val($(this).data('watermark'));
		});
		
	$('#buttonSubmitEmail').submit();
		
	$(".stream").tweet({
		username: [],
		join_text: null,
		avatar_size: 48,
		count: 3,
		auto_join_text_default: "",
		auto_join_text_ed: "",
		auto_join_text_ing: "",
		auto_join_text_reply: "",
		auto_join_text_url: "",
		loading_text: "loading tweets...",
		query: "dribbblr"
  });
});

function setHeaderBgPostion() {
	var bgLeftOffset = Math.round(($(document).width() / 2) - 575);
	$('#header').css('background-position', bgLeftOffset + 'px 120px');
}