sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" over";
		  hidebox();
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" over\\b"), "");
			document.getElementById("formular").style.display = 'inline';
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

 function ShowWindows(link,winName)
  {
    w = window.open(link.href,winName, "toolbar=no, menubar=no, location=no, directories=no, scrollbars=no, resizable=no, status=no, width=380,height=420,left=100,top=50");
    w.focus();
  }