function addEvent( obj, type, fn ) {
  if ( obj.attachEvent ) {
    obj['e'+type+fn] = fn;
    obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
    obj.attachEvent( 'on'+type, obj[type+fn] );
  } else
    obj.addEventListener( type, fn, false );
}

function initdivs()
{ 
x=document.getElementsByTagName("div");
for (i=0;i<x.length;i++)
		{ 
			var objs = x[i].childNodes;
			
			for (j=0;j<objs.length;j++) 
				{
					
					if (objs[j].nodeName=="TABLE") 
					{ objs[j].style.display = 'none'; }
				}
		}
}
  
function toggledisplay(e) 
{
var targ;
if (!e)
  {
  var e=window.event;
  }
if (e.target)
  {
  targ=e.target;
  }
else if (e.srcElement)
  {
  targ=e.srcElement;
  }
if (targ.nodeType==3) // defeat Safari bug
  {
  targ = targ.parentNode;
  }

while (targ.nodeName!="DIV")
{ targ = targ.parentNode; }

var x = targ.childNodes;

for (i=0;i<x.length;i++)
	{
		if (x[i].nodeName == "TABLE" || x[i].nodeName == "P")
		{ if (x[i].style.display == 'none') 
			{ x[i].style.display = 'block'; } 
	  	else 
	  		{x[i].style.display = 'none'; }
		}
	}

}

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;