var $j= jQuery.noConflict();
  $j.fn.zebra = function(options){
var options=$j.extend({bgEven:'curses_even',bgOdd:'curses_odd',bgHover:'curses_hover',fontEven:'#5E2B00',fontOdd:'#793100',fontHover:'#000066'},options);
return this.each(function(){
$j(this).find('tr:even').addClass(options.bgEven).css('color', options.fontEven);
$j(this).find('tr:odd').addClass(options.bgOdd).css('color', options.fontOdd);
$j(this).find('tr').hover(function()
	{
		$j(this).addClass(options.bgHover).css('color', options.fontHover);
	},
    function()
	{
		$j(this).removeClass(options.bgHover).css('color', options.fontOdd);
	}).click(function()
	{
		a=$j(this).find('td[href]').attr('href');
		if(a!=""||a!= null)document.location.href=a;
	});
});};



function change_image(i)
{
	if($j("#photo_folder"))
	{
		$j(".top_image").css("opacity","1.0");
		if(!i)i=photo_folder;
		a=Math.floor(Math.random()*(i.length));
		$j(".fon_image").attr("src",i[a]);
		$j(".top_image").animate({opacity:0.0},1000,"linear",function(){$j(".top_image").attr("src",i[a]);});
		//if(!$j("#textout"))$j("#photo_folder td").eq(0).append("<div id'textout'>"+i[a]+"</div>");else $j("#textout").text(i[a]);
		setTimeout(change_image,5000);
		
	}
	
}

$j().ready(function()
{
$j("table .curses").zebra();
$j(".link_error").click(function(){alert("Sorry, but at the moment, these materials are not available.");});
$j(".menu [class*='parent']").addClass("strelka").hover(function(){$j(this).children("ul").show("slow");},function(){$j(this).children("ul").hide();});
$j("#begun2").css("left",$j("#top_menu").outerWidth());
$j(".menu_main li").hover(function()
{
	$j("#begun1").stop().animate({left: $j(this).offset().left-260,width: this.offsetWidth},{duration:500});
	$j("#begun2").stop().animate({left: $j(this).offset().left-260,width: this.offsetWidth},{duration:500});
},function()
{
	$j("#begun1").stop().animate({left: 0,width: 1},{duration:500});
	$j("#begun2").stop().animate({left: $j("#top_menu").outerWidth(),width: 1},{duration:500});
});
change_image(photo_folder);
});