$(document).ready(function(){
	$('.show_image').click(function(){		
		var img_dir = $('#news_img_big_hide').attr('src');
		
		//Get the screen height and width
		var maskHeight = $(document).height();
		var maskWidth = $(window).width();
	
		//Set heigth and width to mask to fill up the whole screen
		$('#mask').css({'width':maskWidth,'height':maskHeight});
		
		//transition effect		
		$('#mask').fadeIn(1000);	
		$('#mask').fadeTo('slow', 0.6);		
		
		var img_w = $('#news_img_big_hide').width() + 16;
		var width = (990 - img_w) / 2;
		$('#header').append('<div class="show_image_box" style="margin-left: '+width+'px;"><img alt="Uždaryti" title="Uždaryti" src="'+img_dir+'"></div>');
	});
	
	$('#mask').click(function (){
		$('#mask').hide();
		$('.show_image_box').hide();
	});
	
	$('.show_image_box').live('click', function(){
		$('#mask').hide();
		$('.show_image_box').hide();
	});
});