function showNavi(tdx,div){
	document.getElementById(tdx).style.backgroundColor  = '#01427E';
	document.getElementById(div).style.visibility = 'visible';
}

function hideNavi(tdx,div,aktiv){
	if (aktiv==0){
	document.getElementById(tdx).style.backgroundColor = '#5299BD';
	}
	document.getElementById(div).style.visibility = 'hidden';
}

function popwin(URL,b,h,n)
	{neu=window.open(URL,n,"width="+b+",height="+h+",resizable=no,scrollbars=no")}
function popwinsb(URL,b,h,n)
	{neu=window.open(URL,n,"width="+b+",height="+h+",resizable=Yes,scrollbars=yes")}
function popwinfs(URL,b,h,n)
	{neu=window.open(URL,n,"width="+b+",height="+h+",resizable=yes,scrollbars=yes,fullscreen=yes")}

function nextPage(){
	uls = document.getElementById('mmGallery').getElementsByTagName('ul');
	var rew = document.getElementById('rew');
	var fwd = document.getElementById('fwd');
	for(i = 0; i < uls.length; i++){
		if(uls[i].style.display == '') { var disp = i; }
	}
	if(uls[disp+1]){
		uls[disp].style.display = 'none';
		uls[disp+1].style.display = '';
		rew.src = '/images/gal_arrow_l.gif';
	}
	if(!uls[disp+2]){ 
		fwd.src = '/images/gal_arrow_bl.gif';
	}
}

function prevPage(){
	uls = document.getElementById('mmGallery').getElementsByTagName('ul');
	var rew = document.getElementById('rew');
	var fwd = document.getElementById('fwd');
	for(i = 0; i < uls.length; i++){
		if(uls[i].style.display == '') { var disp = i; }
	}
	if((disp-1) >= 0 && uls[disp-1]){
		uls[disp].style.display = 'none';
		uls[disp-1].style.display = '';
		fwd.src = '/images/gal_arrow_r.gif';
	}
	if(disp-2 < 0){ 
		rew.src = '/images/gal_arrow_bl.gif';
	}
}