function launchFull(url, name, height, width) 

{
  var str = "height=" + height + ",innerHeight=" + height;
  str += ",width=" + width + ",innerWidth=" + width;
  if (window.screen) 
  {
    var ah = screen.availHeight - 30;
    var aw = screen.availWidth - 10;

    var xc = (aw - width) / 2;
    var yc = (ah - height) / 2;

    str += ",left=" + xc + ",resizable=no,menubar=no,locationbar=no,status=no,scrollbars=yes,screenX=" + xc;
    str += ",top=" + yc + ",screenY=" + yc;
  }
  window.open(url, name, str);
}

function openGB() {
window.open("http://gb.webmart.de/gb.cfm?id=941000","","height=500,width=600,left=150,top=150,scrollbars=yes");
}

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) {
		wer_over = newImage("images/btn_wer_over.gif");
		wie_over = newImage("images/btn_wie_over.gif");
		was_over = newImage("images/btn_was_over.gif");
		wo_over = newImage("images/btn_wo_over.gif");
		overlay_wer_over = newImage("images/wer_over.gif");
		overlay_wie_over = newImage("images/wie_over.gif");
		overlay_was_over = newImage("images/was_over.gif");
		overlay_wo_over = newImage("images/wo_over.gif");
		wie1_over = newImage("images/wie/pfeil_over.jpg");
		wie2_over = newImage("images/wie/lego_over.jpg");
		wie3_over = newImage("images/wie/blatt_over.jpg");
		pfeil_li_over = newImage("images/pfeil_li_over.gif");
		pfeil_re_over = newImage("images/pfeil_re_over.gif");
		preloadFlag = true;
	}
}