var openImg = new Image();
	openImg.src = "images/post_comment_off.png";
	var closedImg = new Image();
	closedImg.src = "images/cancel.png";
	
	function fnShowHide(param)
	{
	document.all.previewarea.style.visibility = "hidden";
	document.all[param].style.visibility = "hidden";
	}
	
	function showBranch(branch){
		var objBranch = document.getElementById(branch).style;
		if(objBranch.display=="block")
			objBranch.display="none";
		else
			objBranch.display="block";
	}
	
	function swapFolder(img){
		objImg = document.getElementById(img);
		if(objImg.src.indexOf('images/attach.gif')>-1)
			objImg.src = minutesImg.src;
			
		else if(objImg.src.indexOf('images/post_comment_off.png')>-1)
			objImg.src = closedImg.src;
		
		else if(objImg.src.indexOf('images/cancel.png')>-1)
			objImg.src = openImg.src;
				
		else
			objImg.src = closedImg.src;
	}