function ToggleDisplay(checked, id)
{
	var ele = document.getElementById(id);

	if(ele != undefined)
	{
		if(checked == true)
			ele.style.display = 'block';
		else
			ele.style.display = 'none';
	}
}

function ToggleDisable(checked, id)
{
	var ele = document.getElementById(id);

	if(ele != undefined)
	{
		if(checked == true)
			ele.disabled = false;
		else
			ele.disabled = true;
	}
}

function ChangeBackground(id, color)
{
	var ele = document.getElementById(id);

	if(ele != undefined)
		ele.style.background = color;
}

function Search(event)
{
	window.location = '/search/' + escape(document.getElementById('search_text').value);
}

function MenuLoad(id)
{
	CollapseExpand(id, 'expand');
}


// action is optional
function CollapseExpand(id, act)
{
	var img = document.getElementById('img_'+id);
	var nav = document.getElementById('nav_'+id);

	if(act == undefined)
	{
		if(nav.style.display == 'block')
		{
			var action = 'expand';
			nav.style.display = 'none';
		}
		else
		{
			var action = 'collapse';
			nav.style.display = 'block';
		}
	}
	else
	{
		if(act == 'expand')
		{
			var action = 'collapse';
			nav.style.display = 'block';
		}
		else
		{
			var action = 'expand';
			nav.style.display = 'none';
		}
	}

	img.src = '../../images/'+action+'.gif';
}

// action is optional
function Collapse(id, act)
{
	var img = document.getElementById('img_'+id);
	var nav = document.getElementById('nav_'+id);


			var action = 'collapse';
			nav.style.display = 'none';
	

	img.src = '../../images/expand.gif';
}