function getElementsByClass(searchClass,node,tag)
	{
		var classElements = new Array();
		if ( node == null )	node = document;
		if ( tag == null ) tag = '*';
		var els = node.getElementsByTagName(tag);
		var elsLen = els.length;

		var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
		for (i = 0, j = 0; i < elsLen; i++)
		{
			if ( pattern.test(els[i].className) )
			{
				classElements[j] = els[i];
				j++;
			}
		}
		return classElements;
	}

function FolderMenu(id)
{
	if(document.getElementById(id).style.display=='none')
	{
		var obj = getElementsByClass('styles',null,'ul');
			for(i=0;i<obj.length;i++)
			{
				obj[i].style.display = 'none';
			}
		document.getElementById(id).style.display='block';
	}
	else
	{
		document.getElementById(id).style.display='none';
	}
}