function fnd(n, d) 
{ 
	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=fnd(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function tNv() 
{ 
	var i,p,v,obj,args=tNv.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=fnd(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function hde(s) 
{
 if(s !== 'why'){ tNv('why','','hide')};
 if(s !== 'know'){tNv('know','','hide')};
 if(s !== 'first'){tNv('first','','hide')};
}

function hideDD(sect) 
{
	tNv(sect,'','hide');
	hde();
}

var sectionSetting = null;
var activeTimer = null;
var bHover = '';
function Act(sect, windowStatusVal, bshow) 
{
	//hde(sect);
	if ((bHover==windowStatusVal)||(bshow))
	{
		tNv(sect,'','show');
		if (sectionSetting != null)
		{
			window.clearTimeout(sectionSetting);
		}
	}
}

function Tim(sect)
{
	if (sectionSetting != null) 
	{
		window.clearTimeout(sectionSetting);
	}
	sectionSetting = window.setTimeout('hideDD("' + sect + '")',300);
}


function button_on(id)
{
	document.getElementById(id).style.backgroundImage="url('images/menubk_hover.jpg')";
}

function button_off(id)
{
	document.getElementById(id).style.backgroundImage="";
}

function submenu_on(id)
{
	/*document.getElementById(id).style.backgroundColor="#3D7430";*/
	document.getElementById(id).style.color="#FFFFFF";
}

function submenu_off(id)
{
	/*document.getElementById(id).style.backgroundColor="#ABE39A";*/
	document.getElementById(id).style.color="#000000";
}