/*var head="display:''"
img1=new Image()
img1.src="/img/plus.gif"
img2=new Image()
img2.src="/img/minus.gif"



var ns6=document.all&&navigator.userAgent.indexOf("MSIE")==-1
//var ns6=document.getElementById&&!document.all
var ie4=document.all&&navigator.userAgent.indexOf("MSIE")!=-1

function checkcontained()
{
    openFolder(event.srcElement);
}

function openFolder(el)
{
    var livel_first = 0;
	var iscontained = 0;
    cur = el;

 	
	
    //-----Если выбран пункт первого уровня без подпунктов------
	
	  
	if(cur.id == 'foldempty_first_livel')
		livel_first = 1;
	else
		 while (cur.parentElement)
        {
            if (cur.id == 'foldempty_first_livel' || cur.id == 'foldheader' || cur.id == 'foldinglist')
            {
                livel_first = (cur.id=='foldempty_first_livel')? 1 : 0;
                break
            }
            cur = cur.parentElement;
        }	
	//-----------------------------------------------------------   
	
	// Если выбран пункт первого уровня без подпунктов
	if (livel_first){
		el = cur.nextSibling;
	    while (el)
	    {
			
	           if (el.id != 'foldempty' && el.id != 'foldempty_first_livel')
	        	el.style.listStyleImage = 'url(/img/plus.gif)';
		    
			var el_foldercontent = el.all.tags('UL')[0];
		    if (el_foldercontent)
	        	el_foldercontent.style.display = 'none';		

			el = el.nextSibling;
	
	    }
        el = cur.previousSibling;
		while (el)
	    {
			if (el){

					   if (el.id != 'foldempty' && el.id != 'foldempty_first_livel')
		        		el.style.listStyleImage = 'url(/img/plus.gif)';

		    	var el_foldercontent = el.all.tags('UL')[0];
		    	if (el_foldercontent)
	                el_foldercontent.style.display = 'none';	
			}
			el = el.previousSibling;
	    }
		
	} // end livel_first
	
	     
    i = 0;
    if (cur.id == 'foldheader')
        iscontained = 1;
    else
        while (cur.parentElement)
        {
            if (cur.id == 'foldheader' || cur.id == 'foldinglist')
            {
                iscontained=(cur.id=='foldheader')? 1 : 0;
                break
            }
            cur = cur.parentElement;
        }
    if (iscontained)
    {
        //var foldercontent = cur.all.tags('UL')[0];
		var foldercontent = cur.all.tags('UL')[0];
        if (!foldercontent){
            return;}
        
        if (foldercontent.style.display == 'none')
        {
            cur.style.listStyleImage = 'url(/img/minus.gif)';
            
			foldercontent.style.display = 'block';
			
		
	           el = cur.nextSibling;
	    while (el)
	    {
	        if (el.id != 'foldempty' && el.id != 'foldempty_first_livel'){
			
		    	el.style.listStyleImage = 'url(/img/plus.gif)';
		    	var el_foldercontent = el.all.tags('UL')[0];
		    	if (el_foldercontent)
	           		el_foldercontent.style.display = 'none';
						
		    }
			el = el.nextSibling;
		
	    }
        el = cur.previousSibling;
		
		// next	
	    while (el)
	    {
			if (el.id != 'foldempty' && el.id != 'foldempty_first_livel'){
		
	   		el.style.listStyleImage = 'url(/img/plus.gif)';
		    	var el_foldercontent = el.all.tags('UL')[0];
		    	if (el_foldercontent)
	                el_foldercontent.style.display = 'none';	
			}
			el = el.previousSibling;
	    }                        
        }
        else
        {   
            cur.style.listStyleImage = 'url(/img/plus.gif)';
            foldercontent.style.display = 'none';
        }
    }
	
	
	
	
}
if (ie4||ns6)*/
//document.onclick=checkcontained
//document.attachEvent('onclick', checkcontained);
function show(arg){
img1=new Image()
img1.src="/img/plus.gif"
img2=new Image()
img2.src="/img/minus.gif"
	/*var ulList = document.getElementsByTagName('ul');
	for(i = 0; i < ulList.length; i++){
		if(ulList[i].parentNode.className == 'fold' && ulList[i].style.display == 'block'){
			ulList[i].style.display = 'none';
		}
	}*/
	
	
	if(document.getElementById('foldinglist_' + arg).style.display == 'none'){
	document.getElementById('foldheader_' + arg).style.listStyleImage = 'url(/img/minus.gif)';
	document.getElementById('foldinglist_' + arg).style.display = 'block'; return;
	}
	if(document.getElementById('foldinglist_' + arg).style.display == 'block'){
	document.getElementById('foldheader_' + arg).style.listStyleImage = 'url(/img/plus.gif)';
	document.getElementById('foldinglist_' + arg).style.display = 'none'; return;
	}
	
	//alert(arg.id);
}

function prepare(){
	var liList = document.getElementsByTagName('li');
	for(i = 0; i < liList.length; i++){
		if(liList[i].className == 'fold'){
			curEl = liList[i];
			liList[i].onclick = function(){
				show(curEl);
			}
		}
	}
}
//window.onload = prepare;