function toggle(id)
	{
			$('#'+id).toggle('slow');
	}
	
	function toggle_image_swap(id, imgid, img1, img2)
	{
		
			$('#'+id).toggle('slow');
			
			if($('#'+imgid).attr('src')==img1)
					$('#'+imgid).attr('src',img2);
			else
				  $('#'+imgid).attr('src',img1);
	}

function showbw (elem,c,m) {

oim=elem.src;

if (c) {	//show
	elem.src=oim.replace("cc0","cc1");
	document.getElementById('mmenu4').style.display='none';	
	document.getElementById('mmenu1').style.display='none';
	document.getElementById('mmenu2').style.display='none';
	document.getElementById('mmenu3').style.display='none';
	document.getElementById('mmenu5').style.display='none';

	if (m)
		document.getElementById('mmenu'+m).style.display='block';


} else		//hide
    elem.src=oim.replace("cc1","cc0");



}

function hide_all()    {
	for(i = 1; i <=5; i++)
	document.getElementById('mmenu'+i).style.display='none';
	
}