var nam	= new Array('home','photos','news','interactive','members','feedback');

function manage(nav)
{	swap('home',0);
	swap('photos',0);
	swap('news',0);
	swap('interactive',0);
	swap('members',0);
	swap('feedback',0);

	if(nav!='')
	{
		swap(nav,1);
	}
	
}

function swap(id, mode)
{
	if(document.getElementById && document.getElementById(id+"_sub"))
	{
		if (mode==1) 
		{
	    	document.getElementById(id+"_sub").style.display = "block";	
		}
	    else 
		{
		document.getElementById(id+"_sub").style.display = "none";
	    	}
	}
}