// JavaScript Document

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; 



function toggleLayer( whichLayer )
{  
var elem, vis;  
//showless();
if( document.getElementById ) // this is the way the standards work    
	elem = document.getElementById( whichLayer );
else if( document.all ) // this is the way old msie versions work      
	elem = document.all[whichLayer];  
else if( document.layers ) // this is the way nn4 works    
	elem = document.layers[whichLayer];  
	vis = elem.style;  // if the style.display value is blank we try to figure it out here 
	//showless();
	if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)    
		vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';  
		vis.display = (vis.display==''||vis.display=='block')?'none':'block';
		//showmore();
}


function showless(){
	document.getElementById('read1').innerHTML = '...show less';
}
function showmore(){
	document.getElementById('read1').innerHTML = '...show more';
}