var Open = ""
var Closed = ""

function preload(){
if(document.images){
	Open = new Image(16,13);
	Closed = new Image(16,13);
	Item =new Image(13,16);
	Open.src="pic/open.gif";
	Closed.src="pic/closed.gif";
	Item.src="pic/bullet_blue.gif"; 
}}

function mnu(x){
var old='';
var cl=eval("s"+x+".className");
if(document.tank.lastmnu.value!='') old=document.tank.lastmnu.value; 

if (old!=x){
	document.tank.lastmnu.value=x;
	if(old!=''){
		eval("s"+old+".className='off'");
		eval("p"+old+".src=Closed.src");
		}
	eval("s"+x+".className='on'"); 
	eval("p"+x+".src=Open.src");//alert("111p"+x+".src=Open.src"); p1000.src=Open.src;
	}
else{
	if(cl=='off'){
		eval("s"+x+".className='on'");
		eval("p"+x+".src=Open.src"); //alert("222p"+x+".src=Open.src");//
		}
	else{
		eval("s"+x+".className='off'"); 
		eval("p"+x+".src=Closed.src");//alert("333p"+x+".src=Closed.src");//
		}
	}
}
function nopass(){document.loger.Submit.click()}
function login(){	
	if(document.loger.usr.value.length<4) {alert('Моля, въведете коректна стойност в полето "ПОТРЕБИТЕЛ"!'); return false;} 
	}