// JavaScript Document
var active= null;

function toggle_display(id){
	
	if(document.getElementById(id).style.display == 'block')
	{
		document.getElementById(id).style.display = 'none';
		active = null;
	}
	else
	{
		if(!active)
		{
			document.getElementById(id).style.display = 'block' ;
			document.getElementById(id).style.position = 'absolute';
			document.getElementById(id).style.width = '220px';
			document.getElementById(id).style.backgroundColor = '#FFFFFF';
			document.getElementById(id).style.border = '2px solid #000000';
			document.getElementById(id).style.padding = '10px';
			document.getElementById(id).style.left = '150px';
			active = document.getElementById(id);
		}
		else
		{
			active.style.display= 'none';
			active = null;
			toggle_display(id);
		}
	}
}