function $(v) { 
	return(document.getElementById(v)); 
}

function $S(v) { 
	return($(v).style); 
}

function agent(v) { 
	return(Math.max(navigator.userAgent.toLowerCase().indexOf(v),0)); 
}

function isset(v) { 
	return((typeof(v)=='undefined' || v.length==0)?false:true); 
}

function XYwin(v) { 
var z=agent('msie')?Array(document.body.clientHeight,document.body.clientWidth):Array(window.innerHeight,window.innerWidth); 
return(isset(v)?z[v]:z); 
}

function modalTOG() { 

	document.onclick=function(){ 
		$S('modalBG').display='none'; 
		$S('modalBOX').display='none'; 
		document.onclick=function(){}; 
	}; 
}

function modalBOX(v,b) { 

	setTimeout("modalTOG()",100); 
	$S('modalBG').height=XYwin(0)+'px'; 
	$S('modalBG').display='block'; 
	$('modalBOX').innerHTML='<img src="menu/ugyfelszolgalat.png" usemap="#ugyfelszolgalat" border=0>'; 
	$S('modalBOX').left=Math.round((XYwin(1)-b)/2)+'px'; 
	$S('modalBOX').width=b+'px'; 
	$S('modalBOX').display='block'; 
}