var fchange 	= 1;  //increment
var fminimal 	= 6;  //smallest font size
var fmaximum 	= 22; //largest font size
var osize 		= 12; //original text size
var lextra 		= 8;  //extra to add to line-height

$(document).ready(function() {
	//setup the features list
	$.featureList(
		$("#top_stories_tabs li"),
		$("#top_stories_output li"), {
			start_item : 0,
			transition_interval : 0
	});
	
	//larger text
	jQuery('.enlargetext').click(function(){
		var font_size = parseInt(jQuery("#article-box").css('font-size')) + fchange;
		if(font_size < fmaximum){
			jQuery("#article-box").css({ fontSize:font_size+'px', lineHeight:(font_size+lextra)+'px' });
		}
	});
	
	//smaller text
	jQuery(".decreasetext").click(function(){
		var font_size = parseInt(jQuery("#article-box").css('font-size')) - fchange;
		if(font_size > fminimal){
			jQuery("#article-box").css({ fontSize:font_size+'px', lineHeight:(font_size+lextra)+'px' });
		}
	});
	
	
});

function submitCommentForm(){
	//serialize the form
	var serialized = jQuery("#comment_form_form form").serialize();
	
	//send the form and reload
	jQuery("#comment_form").load(document.location.href+" #comment_form_form",{ 
		action:'comment',
		submitted:'yes', 
		comment_article:jQuery("#comment_form input[name='comment_article']").val(),
		comment_name:jQuery("#comment_form input[name='comment_name']").val(),
		comment_email:jQuery("#comment_form input[name='comment_email']").val(),
		comment_comment:jQuery("#comment_form textarea[name='comment_comment']").val(),
	});
}