/*
	Show/Hide Layers
*/
function toggle(qName, aName)
{
    var ans = document.getElementById(aName);
    if (ans == null) return;

    var que = document.getElementById(qName);
    if (ans.style.display == '')
    {
		//hide answer
		if (que != null) que.style.display = 'none';
        ans.style.display = 'none';
    }
    else
    {
        //show answer
		for (i=1;i<=5;i++)
		{
			document.getElementById('drop'+i).style.display = "none";
		}		
		if (que != null) que.style.display = '';
        ans.style.display = '';
    }
}

/*
	START Dropdown Menu
*/
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;
/*
	END
*/