addHandler(window,'load',initNav);

function initNav(){
	var a;
	var li=document.getElementById('navBlock').getElementsByTagName('li');
	for(var i=0;i<li.length;i++){
        if(li[i]['id']=='logoClapan') continue;
		a=li[i].getElementsByTagName('a');
		if(a[0]) {
			a[0].liStyle=li[i].style;
			a[0].onmouseover=function(e){ navMouseHandle(e,true); }
			a[0].onmouseout=function(e){ navMouseHandle(e,false); }
		}
	}
	if(document.authTop && document.authTop.auth_login){
		document.authTop.auth_login.onfocus=function() {if(this.value=='логин') this.value=''; this.style.color='#8b9daf';}
		document.authTop.auth_login.onblur=function() {if(this.value=='') this.value='логин'; this.style.color='#c6c6c6';}
		document.authTop.auth_pass.onfocus=function() {if(this.value=='пароль') this.value=''; this.style.color='#8b9daf';}
		document.authTop.auth_pass.onblur=function() {if(this.value=='') this.value='пароль'; this.style.color='#c6c6c6';}
	}
}

function navMouseHandle(e,flag){
	if(e) e.stopPropagation(); else window.event.cancelBubble=true;
	var el=e?e.target:window.event.srcElement;
	el.style.paddingBottom=flag?'12px':'8px';
	el.liStyle.marginTop=flag?'4px':'8px';
}

function searchformOnBoard(frm){
    var cityEl=document.getElementById('fCity');
    var city=cityEl.options[cityEl.selectedIndex].value;
    if(frm.what.value==''){
        frm.what.disabled=true;
        frm.action='/board/'+city;
    }else{
        frm.action='/board/search/'+city;
    }   
    frm.submit();
}