var display;
function cat_show(id,a){
	display=(document.getElementById("n"+id).style.display=="block"?"none":"block");
	document.getElementById("n"+id).style.display=display;
	a.className=(display=="none"?"sub":"act");
}
function cat_over(a){
	a.className=(a.className=="act"?"act":"over");
}
function cat_out(a){
	a.className=(a.className=="act"?"act":"simple");
}
// выбрать все галочки (checkbox)
function cmRecordSelectAll(form,name,n){
	var f=document.forms[form],selected=false;
	for(i=0; i<f.elements.length; i++)
		if(f.elements[i].name && f.elements[i].name.substr(0,n)==name)
			if(f.elements[i].checked)
				selected=true;
	for(i=0; i<f.elements.length; i++)
		if(f.elements[i].name && f.elements[i].name.substr(0,n)==name)
			f.elements[i].checked=!selected;
}

function mVerShow(name) {
// 	document.getElementById(name).style.display="block";
	layerShow(name,"0px","100px");
}

function mVerHide(name) {
// 	document.getElementById(name).style.display="none";
	layerHide(name);
}

function layerShow(name,l,t){
	name=name.toString();
	if(document.getElementById(name)&&document.getElementById(name).style){
		if(!document.getElementById(name).style.left)
			document.getElementById(name).style.left=l;
		if(!document.getElementById(name).style.top)
			document.getElementById(name).style.top=t;
		document.getElementById(name).style.display="block";
	}
}
function layerHide(name){
	if(document.getElementById(name)&&document.getElementById(name).style)
		document.getElementById(name).style.display="none";
}

function menu_over(a){
	if (a.href==location.href){
		a.style.cursor='default';
		a.href='';
		a.title='';
		window.status='';
	}
}

function menu_click(a){
	return (a.href==location.href?false:true);
}

function menu_divclick(a){
	if (a.firstChild!=location.href){
		location.href=a.firstChild;
	}
}

function ajaxMessage(code,num){
	for(var i=0; i<document.getElementById(code+'_hide').childNodes.length; i++)
		if(document.getElementById(code+'_hide').childNodes[i].nodeName=='DIV')
			document.getElementById(code+'_hide').childNodes[i].style.display='none';
	if(num){
		document.getElementById(code+'_message_'+num).style.display='block';
		document.getElementById(code+'_hide').style.display='block';
		if(num==1)
			document.forms[code+'_form'].reset();
	}
	document.forms[code+'_form'].elements('feedback_code').value='';
}