function roll(img,state)
			{
				img.src = (img.src.substring(0, img.src.length-5))+state+".gif";
			}

function hideDivs(exempt)
  {
    if (!document.getElementsByTagName) return null;
    if (!exempt) exempt = "";
    var divs = document.getElementById("divtext").getElementsByTagName("div");
    for(var i=0; i < divs.length; i++)
    	{
      		var div = divs[i];
      		var id = div.id;
      		if (id != exempt)
      	{
        div.className = "hidden";
      }
	}  
	
  }
  
function show(what)
  {
    if (!document.getElementById) return null;
    showWhat = document.getElementById(what);
    showWhat.className = "";
	hideDivs(what);
  }