var curImgID = 0;

function setImageHeight(w,h,txt) {
	if (w>0 && h>0) {
	//	var fh = 345*parseInt(h)/parseInt(w);
		var fh = parseInt(h)+(txt!="" ? 50 : 25);
		var fw = parseInt(w);
		$("#fullimage .loading").css({
			height:Math.round(fh)+10,
			width:Math.round(fw)-1
		});
    $("#close_fullimage").css({"margin-top":-fh/2-26})
		$("#fullimage .loading img").css({ "margin-top":Math.round((fh-1))/2-32 });
		$("#fullimage").css({ height:Math.round(fh)-1,"margin-top":-fh/2 }).animate({ 
			width: fw,
			marginLeft:-fw/2
		}, 500 );
	}
}

function makeGalleryImage(container,j) {
	j.each(function() {
	 var link = this;
	  $(this).hover(function() {
	   $("span",this).addClass("jsover");
    },function() {
	   $("span",this).removeClass("jsover");
    });
		$(link).click(function() {
			$("#overlay").css("opacity",0).show().fadeTo(500,0.9);
			//var row_index = $(".row",container).index($(this).parent().parent()[0]);
			var img_index = $("a",container).index(link);
			$("#fullimage > img.full").attr({ gallery_id:$(container).attr("gallery_id"),"image_index":img_index });
			moveToImage(0);
			$("#fullimage").show();
			return false;        
		});
	});
}

function moveToImage(direction) {
	var full_image  = $("#fullimage > img.full")[0];
  var gallery_id = $(full_image).attr("gallery_id");
	var container = $(".photos[gallery_id="+gallery_id+"]")[0];
	if (!container)
	 return;
	var img_index = parseInt($(full_image).attr("image_index"))+direction;
//	var row_index = parseInt($(full_image).attr("row_index"));
	var newimg = $("a:eq("+img_index+") img",container)[0];
//	alert(newimg);
	if (!newimg) {
	 newimg = $("a:eq("+img_index+") div",container)[0];
  }
	if (!newimg)
	 return;
	var fw = parseInt($(newimg).attr("rw"));
	var fh = parseInt($(newimg).attr("rh"));
	var flag = 0;
	if (img_index<=0) {
		$("#prev_fullimage").hide();
		flag++;
	}	else {
		$("#prev_fullimage").show();
	}
 	if (img_index>=$("a",container).length-1) {
		$("#next_fullimage").hide();
		flag++;
	} else {
		$("#next_fullimage").show();
	}
	if (flag>0)
		$("#gal_nav .red-delimiter").hide();
	else
		$("#gal_nav .red-delimiter").show();

	$("#close_fullimage").show().animate({ marginLeft:fw/2-40},500);
/*	var img_id = $(newimg).attr("image_id");
	if (img_id)
		$("#fullimage").attr({ "image_id":img_id });*/
  var txt = $(".title",$(newimg).parent()[0]).text();
	setImageHeight($(newimg).attr("rw"),$(newimg).attr("rh"),txt);

	$("#fullimage .loading").hide();
	$("#fullimage .loading img").hide();
	var ival = setInterval(function() { 
			$("#fullimage .loading").show();
			$("#fullimage .loading img").show();
			$(full_image).hide();
			clearInterval(ival); 
			ival = null; 
		},100);
	$.preload([ $(newimg).parent().attr("href") ], {
		onFinish: function(data) {
			clearInterval(ival);
			ival = null;
			$("#fullimage > .loading").hide(); 
			$(full_image).attr({ "image_index":img_index,"src":data.image }).fadeIn(300);
			$("#fullimagedesc").text(txt); 
//			$("#fullimagedesc .desc").text($(".desc",$(newimg).parent()).text()); 
			$("#fullimagedesc").show();
		}
	})
	return false;
}

function closeGallery() {
	$("#fullimage .loading").stop();
	$("#fullimage").stop().css({ width:2,height:150,"margin-left":-1,"margin-top":-1 }).hide();
	$("#fullimage > img.full").hide();
	$("#next_fullimage").stop().hide();
	$("#prev_fullimage").stop().hide();
	$("#close_fullimage").stop().css({ "margin-left":0,"margin-top":0 }).hide();
	$("#fullimage").stop();
	$("#fullimagedesc").hide();
	$("#overlay").fadeOut(500);
	return false;
};

function prolog() {
	if ($(".photos")[0]) {
		$(".photos").each(function() {
			makeGalleryImage(this,$("a",this));
		});
		$("#prev_fullimage").click(function() { return moveToImage(-1); });
		$("#next_fullimage").click(function() { return moveToImage(+1); });
		$("#overlay").click(closeGallery);
		$("#close_fullimage").click(closeGallery);
	}
}

$(document).ready(function() {
	prolog();
  $("#press .items .item a").hover(function() {
	   $("span",this).addClass("jsover");
    },function() {
	   $("span",this).removeClass("jsover");
    });
	$("#about_gallery").click(function() {
    $(".photos a:first").trigger('click');
    return false;
  });
  $("#response-form input[name='contact_name']")
    .bind("focus",function() { if (this.value=="Имя" || this.value=="Name") this.value=""; })
    .bind("blur",function() { if (!this.value) this.value= (lang=="en" ? "Name" : "Имя"); });
  $("#response-form input[name='contact_email']")
    .bind("focus",function() { if (this.value=="E-mail") this.value=""; })
    .bind("blur",function() { if (!this.value) this.value="E-mail"; });
  $("#response-form textarea[name='contact_body']")
    .bind("focus",function() { if (this.value=="Текст сообщения" || this.value=="Message") this.value=""; })
    .bind("blur",function() { if (!this.value) this.value= (lang=="en" ? "Message" : "Текст сообщения"); });
});