//=======
// se.js
//-------------------------
// Javascript Functions
//=========================

//=====
// tgl2
//---------------------------------
// Toggle item visible / invisible
//=================================
function tgl2(itemname) {
  tmp = document.getElementById(itemname);
  if (tmp.style.display == 'none') {
    tmp.style.display = 'block';
    x=document.getElementById(itemname+'p');
    x.firstChild.nodeValue='-';
    x=document.getElementById(itemname+'t');
    x.title='Hide';
    }
  else {
    tmp.style.display = 'none';
    x=document.getElementById(itemname+'p');
    x.firstChild.nodeValue='+';
    x=document.getElementById(itemname+'t');
    x.title='Show';
    }
  }


var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;