function MM_findObj(n, d) { //v4.01
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p); }
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function navRoll(navid, action) {
	boxObj = MM_findObj('navbox'+navid);
	txtObj = MM_findObj('navtxt'+navid);
	
	boxObj.className = 'inside_nav_box'+action;
	txtObj.className = 'inside_nav'+action;
}

function toggle(show, hide) 
	{
	if (show != '')
		{
		document.getElementById(show).style.display='inline';
		document.getElementById(show).style.visibility='visible'
		}

	if (hide != '')
		{
		document.getElementById(hide).style.display='none';
		document.getElementById(hide).style.visibility='hidden'
		}
	return false;
	}