<!--
function scls(c,ly)
	{ 
 	i=1;
    	while (document.getElementById("c"+i)||document.getElementById("ly"+i))
 	{
	document.getElementById("c"+i).className='';
	document.getElementById("ly"+i).style.display='none';
	i++;
	}
 	document.getElementById(c).className='navactive';
	document.getElementById(ly).style.display='block'; 
	}

function hcls(c,ly)
 	{
	document.getElementById(c).className=''; 
	document.getElementById(ly).style.display='none'; 
	}