$(document).ready(function(){
	
	$('.main_img').click(function(){
		$("body").append("<div id='fade'></div><div class='popup_block'><div id='mes'>Идет загрузка...</div></div>"); 
		$("#fade").css({"filter" : "alpha(opacity=60)"}).show();
		var top = window.innerHeight ? window.innerHeight : (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.offsetHeight);
		var left =$(window).width(); var topp = (top - 100)/2; var leftp = (left -100)/2;
		$(".popup_block").css({left: leftp + "px", top:topp+"px", padding:5+"px"}).fadeIn();;

			var imgscr = $(this).attr('src').replace('medium/', '');
			var yoff = 50; var topt=top-yoff; var leftt = left-yoff; imgdo(imgscr);
$("#fade, .popup_block").click(function(e) {$("#fade").remove(); $(".popup_block").remove();});
	function imgdo(e) {
		var c = document.getElementById("");
		var a = new Image, b, d;
		a.onload = function () {b = a.width; d = a.height;
		  if (b != "" && b != 28 && d != 30){ 
				$('#mes').html('<img src="'+imgscr+'" style="max-height:'+topt +'px; max-width:'+leftt +'px;" border="0">');	
				var width = $(".popup_block").width(); var height = $(".popup_block").height(); var topp = (top - height)/2; var leftp = (left -width)/2; if( topp < 0 ) topp = 0; if( leftp < 0 ) leftp = 0;$(".popup_block").css({left: leftp + "px", width:width +"px", top:topp+"px", height:height +"px", padding:5+"px"});
				}
			};
		a.src = e;
	};
	});
});