var timerid = 0;
function video_ac(idx) {
    $("#arka_plan").css("left",0);
    $("#arka_plan").css("top",0);
if ($.browser.msie)  
{
		$("#arka_plan").width($(window).width());
}
else
{
	    $("#arka_plan").width($(document).width());
	}
    $("#arka_plan").height($(document).height());
	$("#arka_plan").css("opacity",0);
	$("#arka_plan").css("display","block");
	$("#arka_plan").css("z-index",300);
	$("#arka_plan").fadeTo(750,0.9);

	  x = (($(window).width()-500) / 2) + $(window).scrollLeft();
	  
if ($.browser.msie)  
{
		y = (($(window).height()-350) / 2) + $(window).scrollTop();
}
else
{
	    y = (($(window).height()-350) / 2) + $(document).scrollTop();
	}	  
	  if (y < 0 ){ y=0;}
	  if (x < 0 ){ x=0;}
    $("#buyukvideo").css("left",x);
    $("#buyukvideo").css("top",y);
    $("#buyukvideo").css("width",400);
    $("#buyukvideo").css("height",350);
	  $("#buyukvideo").load("video.php?vid="+idx);
    $("#buyukvideo").css("display","");
	popupAcik=true;
	 	return false;
	 }
	 
function video_close() {
  $("#arka_plan").css("display","none");
	$("#buyukvideo").html("");
	$("#buyukvideo").css("display","none");
	if (timerid != 0) clearTimeout(timerid);
	return false;
}