function img_load() {
	x = (($(window).width()-$("#buyuk").width()) / 2) + $(window).scrollLeft();
	y = (($(window).height()-$("#buyuk").height()) / 2) + $(window).scrollTop();
  if (y < 0) y=0; 
	$("#buyuk").css("left",x);
	$("#buyuk").css("top",y);
	$("#buyuk").css("display","block");
  $("#buyuk").css("zIndex",30);

	$("#img_kapat").css("left",x+$("#buyuk").width()-$("#img_kapat").width());
	$("#img_kapat").css("top",y);
  $("#img_kapat").css("zIndex",40);
	$("#img_kapat").css("display","block");
}

function img_close() {
    $("#arka_plan").css("display","none");
	$("#buyuk").css("display","none");
	$("#img_kapat").css("display","none");
	return false;
}

function buyuk_ac(idx) {
	bg_ac();
	$("#buyuk").css("display","none");
	$("#buyuk").html("<img src='../../INDEXMEDIA/"+idx+"' onload='javascript:img_load();'>");
	return false;
}

	function bg_ac() {
    $("#arka_plan").css("left",0);
    $("#arka_plan").css("top",0);
    $("#arka_plan").css("zIndex",29);
    $("#arka_plan").width($(document).width());
    $("#arka_plan").height($(document).height());
    $("#arka_plan").css("opacity",0);
    $("#arka_plan").css("display","block");
    $("#arka_plan").fadeTo(750,0.5);
	}