// popup window
function windowOpener(url, name, args) {
	if (typeof(popupWin) != "object"){
		popupWin = window.open(url,name,args);
	} else {
		if (!popupWin.closed){
			popupWin.location.href = url;
		} else {
			popupWin = window.open(url, name,args);
		}
	}
	popupWin.focus();
}

// confirm delete
function deleteLink() {
	return confirm("You are about to delete. Do you want to continue?");
}

// display function
function toggleDisplay(id) {
	if (document.getElementById) {
		    var e = document.getElementById(id);
		    if (e) {
		      if (e.style.display !== ""){ e.style.display = "";}
		      else { e.style.display = "none"; }
		    }
		  }
}