Gizle butonu olan reklam kodları nasıl yapılıyor.

<script type="text/javascript">
	var zaman_asimi
	function kaydir() {
//		document.getElementById("katman").style.pixelTop = document.body.scrollTop;
//		document.getElementById("katman2").style.pixelTop = document.body.scrollTop;
		document.getElementById("katman3").style.pixelTop = document.body.scrollTop;
		document.getElementById("katman4").style.pixelTop = document.body.scrollTop;
		zaman_asimi = setTimeout("kaydir()",0);
	}

	if ((screen.width>=1024) && (screen.height>=768))
	{
		document.write("<div align=\"right\" id=\"katman\" style=\"position:absolute; right: 10px; padding-top: 5px; padding-right: 10px\"><div id=\"katman2\"></div><center><span id='katmanyazi' onClick='javascript:;if (document.getElementById(\"katman2\").style.display==\"\") { document.getElementById(\"katman2\").style.display=\"none\";document.getElementById(\"katmanyazi\").innerHTML = \"Göster\"; } else { document.getElementById(\"katman2\").style.display=\"\"; document.getElementById(\"katmanyazi\").innerHTML = \"Gizle\";}' style='cursor:pointer;TEXT-DECORATION: underline;COLOR: #000000;'>Gizle</span></center></div>");
	}
	if ((screen.width>=1024) && (screen.height>=768))
	{
		document.write("<div align=\"left\" id=\"katman3\" style=\"position:absolute; left: 10px; padding-top: 5px; padding-left: 10px\"><div id=\"katman4\"><object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0\" width=\"120\" height=\"400\"><param name=movie value=\"http://www.hazirkod.com/reklam/radyo.swf\"><param name=quality value=high><embed src=\"http://www.hazirkod.com/reklam/radyo.swf\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"120\" height=\"400\"></embed></object></div><center><span id='katmanyazi2' onClick='javascript:;if (document.getElementById(\"katman4\").style.display==\"\") { document.getElementById(\"katman4\").style.display=\"none\";document.getElementById(\"katmanyazi2\").innerHTML = \"Göster\"; } else { document.getElementById(\"katman4\").style.display=\"\"; document.getElementById(\"katmanyazi2\").innerHTML = \"Gizle\";}' style='cursor:pointer;TEXT-DECORATION: underline;COLOR: #000000;'>Gizle</span></center></div>")
	}

	function ReklamGoster(Gelen,Islem)
	{
		if (Gelen == "1")
		{
			if (Islem == "1")
			{
				document.getElementById("katman2").style.display = "block";
			}
			else if (Islem == "0")
			{
				document.getElementById("katman2").style.display = "none";
			}
		}

		else if (Gelen == "2")
		{
			if (Islem == "1")
			{
				document.getElementById("katman4").style.display = "block";
			}
			else if (Islem == "0")
			{
				document.getElementById("katman4").style.display = "none";
			}
		}
	}


</script>