function rollover(num)
	{
		document.getElementById('m'+num).src=images[2*(num-1)+1];//'/images/menu0'+num+'-a.gif';
	}

	function rollout(num)
	{
		document.getElementById('m'+num).src=images[2*(num-1)];//'/images/menu0'+num+'.gif';
	}

	function preloadImages() 
	{
		if (document.images) 
			for(i=0; i<images.length; i++)
				newImage(images[i]);
	}

	function newImage(arg) 
	{
		if (document.images) 
		{
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}
	
	function openw (c) 
	{
		window.open(c,
		'vacancy',
		'width=450,height=469,scrollbars=yes,status=no');
	}