$(document).ready(function () {
	$('#poststatus').attr("value","Update your status").addClass("off");
	$('#poststatusbutton').attr("disabled","disabled");
	
	$("#poststatus").blur(function(){
		if ($(this).attr("value")=="") {
			$('#poststatus').attr("value","Update your status");
			$('#poststatusbutton').attr("disabled","disabled");
		}
		if ($(this).attr("value")=="Update your status") {
			$(this).addClass("off");
			$('#poststatusbutton').attr("disabled","disabled");
		}
	});
	$("#poststatus").focus(function(){
		$(this).removeClass("off")
		if ($(this).attr("value")=="Update your status") {
			$('#poststatus').attr("value","");
			$('#poststatusbutton').removeAttr("disabled");
		}
	});
	$("#poststatus").keyup(function(){
		var maxlen = 140;
		len = $('#poststatus').attr('value').length;
		var remain = maxlen - len;
		if (remain==0) {remain="0";}
		$('#charcount').css("color","#AAAAAA");
		if (remain<20) {$('#charcount').css("color","#5C0002");}
		if (remain<10) {$('#charcount').css("color","#D40D12");}
		$('#charcount').html(remain);
	});
	
	$(window).scroll(function(){
		if ($(window).scrollTop() == $(document).height() - $(window).height()) {
			getNextFeed();
		}
	}); 
});

function getNextFeed() {
    $('div#loading').html('<img src="/twitter/res/loading.gif">');
	var page = parseInt($(".twitterpost:last").attr("rel"));page +=1;
    $.post("/twitter/res/getTwitter.php?page=" + page,    
    function(data){
        if (data != "") {
        	$(".post:last").after(data);           
        }
        $('div#loading').empty();
    });
};