var z = 1;

				function popup_open(obj, eventObj){

					document.getElementById(obj).style.visibility = "visible";

					z++;

					document.getElementById(obj).style.zIndex = z;

					eventObj.cancelBubble = true;

					popup_closeall(obj);

				}

				function popup_close(obj){

					document.getElementById(obj).style.visibility = "hidden";

				}

				function popup_closeall(exceptID){

					var popupID = new Array();

					popupID[0] = "about";

					popupID[1] = "advertise";

					popupID[2] = "careers";

					popupID[3] = "contact";

					popupID[4] = "tou";

					popupID[5] = "privacy";

					popupID[6] = "login";

					popupID[7] = "listen";

					popupID[8] = "store";

					popupID[9] = "events";

					popupID[10] = "newmusic";

					popupID[11] = "meetdjs";

					popupID[12] = "vip";
					
					popupID[13] = "shows";

					var i=0;

					for (i=0;i<=popupID.length - 1;i++)

					{

						if ((document.getElementById(popupID[i]).style.visibility == "visible") && (popupID[i] != exceptID)){

								popup_close(popupID[i]);

						}

					}	

				}