function expand(divid)
{
   var div = document.getElementById(divid);
   var status = div.style.display;
   if(status == "none") div.style.display = "";
   else div.style.display = "none";
   }

   function expand_all(stat)
{
   var divs = document.getElementById("content").getElementsByTagName("div").length;
   for(var i = 1; i <= divs; i++)
	{
   	var div = document.getElementById("a"+i);
   	if(stat == "on") div.style.display = "";
   		else div.style.display = "none";
   	}
   }
      
function colorate(field)
{
	field.style.backgroundColor="#E9FEDA";	
}
function decolorate(field)
{
	field.style.backgroundColor="#EFEFEF";	
}