function setvisibility(divid)
	{

		unsetvisibility(divid);
		if (document.layers)
 		{
   			browserstyle=divid;
   			document.layers[divid].visibility="show";
 		}


 		if (document.getElementById)
 		{
 			if(document.getElementById(divid))
 			{
   				document.getElementById(divid).style.visibility="visible";   			;
   			}
 		}

	}

	function unsetvisibility(divid)
	{

		for(i=0;i<100;i++)
		{

			if("id" + i != divid)
			{
 				if (document.getElementById)
 				{
   						if(document.getElementById("id" + i))
   						{
   							document.getElementById("id" + i).style.visibility="hidden";
   						}
 				}
				else
				{
					if(document.layers["id" + i])
					{
						if (document.layers)
 						{
   							browserstyle=divid;
   							document.layers["id" + i].visibility="hide";
 						}
 					}
 				}
 			}
 		}

	}