var lPrev='';
var lParent='';
var lTimeout=false;
var lFirstTime=true;

function menuOver(pEv) {
	if(pEv.srcElement) lEl=pEv.srcElement;
	else lEl=pEv.target;
	if(lTimeout) window.clearTimeout(lTimeout);
	lTimeout=setTimeout("changeClass(lEl)", 100);
	lTimeout=setTimeout("menu(lEl)", 500);
}

function menu(pEl) {
	if(lEl=getEl(pEl, "menu_")) {
		var lBr=new Array();
		var lIndex=lEl.id.substr(5);
		if (lIndex.indexOf('_')==-1)
			lParent=document.getElementById('submenu_');
		else {
			lParent=document.getElementById('submenu_'+lIndex.substr(0, lIndex.lastIndexOf('_'))).rows[0].cells[0]; 
			if(lParent.childNodes[0].tagName=='TABLE')
				lParent=lParent.childNodes[0];
			else lParent=lParent.childNodes[1];
		}
		
		if (document.getElementById('submenu_'+lIndex) && document.getElementById('submenu_'+lIndex).style.display=='block')
			closeNode(lIndex, -1);
		openParentNode('_'+lIndex);
		
		if(lIndex.indexOf('_')==-1 && lIndex!=lPrev && document.getElementById('submenu_'+lIndex))
			lPrev=lIndex;
		
		if (lIndex.indexOf('_')==-1) { //Исключение для меню, начнающегося со второго уровня
			var menuCnt=document.getElementById('submenu_counter').value - 1;
			for (var jj=1; jj<=menuCnt; jj++)
				if(document.getElementById('submenu_'+jj) && document.getElementById('submenu_'+jj).style.display=='block' && jj!=lIndex)
					closeNode(jj, 1);
		}
		else {
			lCh=lParent.rows;
			for (var i=0;i<lCh.length;i++) {
				lC=lCh[i].cells;
				for (var j=0;j<lC.length;j++)
					if (lC[j].id.substr(0, 5)=='menu_' && lC[j].id!=lEl.id)
						lBr[lBr.length]=lC[j].id.substr(5);
			}
			for(var z=0;z<lBr.length;z++)
				if(document.getElementById('submenu_'+lBr[z]) && document.getElementById('submenu_'+lBr[z]).style.display=='block')
					closeNode(lBr[z], 1);
		}

	}
	else if (lPrev!='') {
		closeNode(lPrev, 1);
		lPrev='';
	}
}

function closeNode(pIndex, pF) {
	if (pF==1) {
		document.getElementById('submenu_'+pIndex).style.display='none';
		document.getElementById('submenu_'+pIndex).style.visibility='hidden';	
	}
	for (var i=1; document.getElementById('menu_'+pIndex+'_'+i);i++)
		if(document.getElementById('submenu_'+pIndex+'_'+i) && document.getElementById('submenu_'+pIndex+'_'+i).style.display=='block')
			closeNode(pIndex+'_'+i, 1);
}

function openParentNode(pIndex){
	while(pIndex.indexOf('_')!=-1){
		if(e=document.getElementById('submenu'+pIndex)) {
			e.style.display='block';
			e.style.visibility='visible';
		}
		pIndex=pIndex.substr(0, pIndex.lastIndexOf('_'));
	}
}

function getEl(el, pId) {
	if(el && el.tagName) {
		while (el.tagName.toLowerCase() != "body") {
			if (el.id.substr(0, pId.length) == pId)	return el;
			if (el.id.substr(0, 8) == "submenu_" && el.id.length>8)
				el=document.getElementById(pId+el.id.substr(8));
			else	el = el.parentNode;
		}
	} return false;
}

function changeClass(pEl) {
	if((lEl=getEl(pEl, "menu_")) && lFirstTime) {
		lCurEl = lEl;
		lIndex1=lCurEl.id.substr(5);
		if (document.getElementById('submenu_'+lIndex1) || getHref(lIndex1) || lCurEl.className=='current'){
			switch(lCurEl.className){
				case "menutd":
						lCurEl.className='menutdOv';
						break;
				case "current":
						lCurEl.className='current over';
						break;						
				case "dmenutd21":
						lCurEl.className='dmenutd21a';
						break;
				case "submenu":
						lCurEl.className='submenuOv';
						break;
			}
			lFirstTime=false;
		}
	}else{
		if(!lFirstTime){
			if (lEl.id != lCurEl.id){
				switch(lCurEl.className){
					case "menutdOv":
							lCurEl.className='menutd';
							break;							
					case "current over":
							lCurEl.className='current';
							break;							
					case "dmenutd21a":
							lCurEl.className='dmenutd21';
							break;
					case "submenuOv":
						lCurEl.className='submenu';
						break;							
				}
				lFirstTime = true;
			}
		}
	}
}

function getHref (pIndex){
	if (lTextEl = document.getElementById('textLink'+pIndex)){
		return true;
	}else{
		return false;
	}
}