function submitByImage(pfrm, action)
{
	var obj = document.getElementById(pfrm);
	obj.action = action;
}


function expandBlock(block_id)
{
	var good = false;
	ul = document.getElementById(block_id);
	if (good = (ul != null && ul.className != null && ul.innerHTML != null)) 
	{
		if ((ul.className == "visible") || (ul.className == ""))
		{
			ul.className = "hidden";
		}
		else
			if (ul.className == "hidden")
			{
				ul.className = "visible";
			}
	}
	return true;
}

function expandBlockEx(block_id, image_id)
{
	expandBlock(block_id);
	
	var good = false;
	ul = document.getElementById(image_id);
	if (good = (ul != null && ul.className != null && ul.innerHTML != null)) 
	{
		var str = ul.src;
		var new_str = str.replace(/icon_top.gif/, "icon_right.gif");
		
		if (new_str == str)
			 ul.src = str.replace(/icon_right.gif/, "icon_top.gif");
		else
			  ul.src = new_str;
	}
	
	return true;
}

function ClearItem(caller)
{
	document.getElementById(caller).value = '';
	
}