var id_curr=0;
var id_prev=0;
var id_next=1;
var objImagePreloader = new Image();
var car1;
var gal_delay = 3000;

var gallery;	
	$(document).ready(function(){
		$.ifixpng('/images/pixel.gif');
		$('img[src$=.png]').ifixpng();
		gallery = $('a.work_box').lightBox();

	});

	
function showExhibs(){
	$('#mp_text').hide();
	$('#lb_text').hide();
	$('#mp_exs').slideDown('slow').mouseover(function(){
		$('.mnu_first').addClass('curr');
	});
}


function hideExhibs(){
	$('#mp_exs').slideUp('slow', function () {
		$('#mp_text').show();
		$('#lb_text').show();
		$('.mnu_first').removeClass('curr');
	});
	
}


function changeImage(id) {
	
	
	if (iTimer) {
		clearTimeout(iTimer);
		iTimer = 0;
	}
	
	
	if(typeof(images_arr[id]) !== 'undefined') {
	
		id_curr=id;
		id_prev=images_arr[id].prev;
		id_next=images_arr[id].next;
		

		objImagePreloader.onload = function() {
			if(typeof(sub_type) !== 'undefined') {
				if(sub_type=='main_page')
				$('#slideshow').css('background-image','url('+images_arr[id].photo+')');
			}else{
				$('#slide').css('background-image','url('+images_arr[id].photo+')');
			}
			//$('#big_img').attr('src',objImagePreloader.src);
			$('#big_img').animate({ opacity: '0' }, 1000, function(){
			//$('#big_img').hide();
			$('#big_img').attr('src',images_arr[id].photo);
			$('#big_img').animate({ opacity: '1' }, 100, function(){
				$('a.work_box').lightBox();
				//$('#big_img').show();
			});
		});
			objImagePreloader.onload=function(){};
			
			
			iTimer = setTimeout("changeImage(id_next)", gal_delay);
		}
		
	
		

		//$('#big_img').attr('src',images_arr[id].photo);
		objImagePreloader.src = images_arr[id].photo;
		
		/*$('#pr_main_img').attr('href',images_arr[id].photo_big);
		$('#pr_main_img').attr('title',images_arr[id].title);
		
				
		if (id_prev==0&&id_curr==0) $('a.pr-prev').addClass('pr-prev-disabled');
		else $('a.pr-prev').removeClass('pr-prev-disabled');
		
		if (id_next==0) $('a.pr-next').addClass('pr-next-disabled'); 
		else $('a.pr-next').removeClass('pr-next-disabled');
		*/
	}
		
	
}