NS4 = (document.layers) ? true : false;
	IE4 = (document.all && !document.getElementById) ? true : false;
	IE5 = (document.all && document.getElementById) ? true : false;
	NS6 = (!document.all && document.getElementById) ? true : false;

	var layern="";
	
	//div megjelenito fuggveny
	function show(DivName) {
		if (NS4){
		document.layers[DivName].visibility="show";
		}
		else if (IE4) {
		document.all[DivName].style.visibility="visible";
		}
		else if (IE5 || NS6) {
		document.getElementById(DivName).style.visibility="visible";
		}
		layern=DivName;
	}
	

	//div eltunteto fuggveny
	function hide(DivName) {
		if (NS4){
		document.layers[DivName].visibility="hide";
		}
		else if (IE4) {
		document.all[DivName].style.visibility="hidden";
		}
		else if (IE5 || NS6) {
		document.getElementById(DivName).style.visibility="hidden";
		}
	}
	
	//fomenuhoz tartozo fuggvenyeket indit
	function activate(TI) {
			hideall();removehide();show(TI+'Div')
		
	}
	
	//minden valtoztatast visszaallit ami a fomenuhoz tartozik
	function hideall() {
		if (layern!="") {
		hide(layern);
		layern="";
		}
		
	}
	
	//idozitessel meghivja a mindent visszaallitot
	function sethide() {
	to=setTimeout('hideall();',50);
	}
	
	to=setTimeout('hideall();',1000);
	
	//torli az idozitest
	function removehide() {
		clearTimeout(to);
	}

	//layer mozgato fv
	function moveDiv(DivName,x,y,w,h) {
		if (NS4){
		document.layers[DivName].left=x+w;
		document.layers[DivName].top=y+h;
		}
		else if (IE4) {
		document.all[DivName].style.left=x+w;
		document.all[DivName].style.top=y+h;
		}
		else if (IE5 || NS6) {
		document.getElementById(DivName).style.left=x+w+'px';
		document.getElementById(DivName).style.top=y+h+'px';
		}
	}