function getCookie(name) {
  var prefix = name + "="
  var doc = document
  var start = doc.cookie.indexOf(prefix)
  if (start == -1)
  return null
  var end = doc.cookie.indexOf(";", start + prefix.length)
  if (end == -1)
  end = doc.cookie.length
  var value = doc.cookie.substring(start + prefix.length, end)
  return unescape(value)
}

function insert() {

     for (i=16; i>=1; i--) {document.form.et.options[i]=null;}

	if (document.form.type.selectedIndex == 1) {
		document.form.lift[0].disabled=true;
		document.form.lift[1].disabled=true;

		   document.form.et.options[1]= new Option("Первый этаж","erste")
		   document.form.et.options[2]= new Option("Средний этаж","middle")
		   document.form.et.options[3]= new Option("Последний этаж","ende")
		if (getCookie("global_value")) {
  		   document.form.et.options[getCookie("global_value")].selected=true
		}

 	}
	
		
	if  ((document.form.type.selectedIndex == 2) || (document.form.type.selectedIndex == 3)) {
  		
 		   document.form.lift[0].disabled=false
		   document.form.lift[1].disabled=false
		   for (i=1; i<=16; i++){
	  	     document.form.et.options[i]= new Option(i+" этаж",i)
	  	    }  
		if (getCookie("global_value")) {  	  
	  	  document.form.et.options[getCookie("global_value")].selected=true
		}
	}
}

function select() {
document.cookie = "global_value=; expires=Thu, 01-Jan-70 00:00:01 GMT" 
document.cookie = "global_value="+document.form.et.selectedIndex+"; path=/"
}