// opens form in new window

function formWindow(link) {
  var bookWindow;
  bookWindow = window.open(link, "form", "width=400,height=540,scrollbars,resizable");
  if (bookWindow.open) {
    bookWindow.close;
  }
  bookWindow.focus();
}

// opens WW in new window

function wieselWin(link) {
  var bookWindow;
  bookWindow = window.open(link, "wieselwerkstatte", "width=500,height=500");
  if (bookWindow.open) {
    bookWindow.close;
  }
  bookWindow.focus();
}

// rollover

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		wieselroll_over = newImage("http://losttrails.com/media/wieselroll.gif");
		preloadFlag = true;
	}
}

// ----------