var activeBackgroundRootID = "";

$(document).ready(function () {	

    /* Special for 9 May  */

    var file_numbers = [ 2, 3, 1, 4, 5, 12, 6, 7, 8, 9, 10, 11];


    var start_date = new Date ( 2011, 3, 28 );
    var current_date = new Date();
    
    var offset_days = Math.floor( ( current_date - start_date )/(1000*60*60*24) );
    

    if( offset_days < 12 && offset_days >= 0 )
    {
	if($('#9may_link').length > 0) {
	    $('#9may_link').attr('href', 'http://st.drweb.com/static/new-www/2010/root/9may/'+file_numbers[offset_days]+'.jpg');
	    setBgImage( $('#9may_link') );
	}
    }

    /*   *********************      */
    
    var first_bg_img = $('.preview a').eq(0);
    setBgImage( first_bg_img );

    $('body').css( 'background-color');


    $('#top_menu li').hover(
	function () {
	    //show its submenu
	    $('ul', this).slideDown(200);

	}, 
	function () {
	    //hide its submenu
	    $('ul', this).slideUp(200);			
	}
    );


    $(".preview a").mouseover(function(){ 

	var imgSrc = new String( $('img', $(this) ).attr( "src" ) );
	var replacedSrc = imgSrc.replace( '_off.jpg', '_on.jpg' );
	$('img', $(this) ).attr("src", replacedSrc);

    });

    $(".preview a").mouseout(function(){

        var imgSrc = new String( $('img', $(this) ).attr( "src" ) );
        var replacedSrc = imgSrc.replace( '_on.jpg', '_off.jpg' );
        $('img', $(this) ).attr("src", replacedSrc);

    });

    $(".preview a").click(function(){
	
	var context = $(this);

	var largePath = $(this).attr('href');
	
	var cacheImage = new Image();
	cacheImage.src = largePath;
	
	cacheImage.onload = function(){
	    setBgImage( context );
	};
	
	return false;
    });

    

});

		  
function setBgImage( context ){
    var bg_color = $( 'input.bg_color', context ).val();
    var bg_img_src = $(context).attr('href');
    var bg_link = $( 'input.bg_link', context ).val();
    
    if ( bg_color && bg_img_src && bg_link ) {
	$('#largeImg').attr( 'src' , bg_img_src );
	$('#largeImg').attr( 'title', bg_link );
	$('body').css( 'background', bg_color );
    }
}

function gotoBgLink()
{
    var link = $('#largeImg').attr('title');
    if( link ) {
	document.location.href = link;
    }  

    return false;
}