// ShowHide Script
		function showhide(elem)
		   {
				etat=document.getElementById(elem).style.display;
				if(etat=="none")
				{
					if (document.all)
					{ //IS IE 4 or 5 (or 6 beta)
						eval( "document.all." + layer_ref + ".style.display = 'block'");
					}
					if (document.layers)
					{ //IS NETSCAPE 4 or below
						document.layers[layer_ref].display = "block";
					}
					if (document.getElementById &&!document.all)
					{
						document.getElementById(elem).style.display="block";
					}
					
				}
				else
				{
					if (document.all)
					{ //IS IE 4 or 5 (or 6 beta)
						eval( "document.all." + layer_ref + ".style.display = 'none'");
					}
					if (document.layers)
					{ //IS NETSCAPE 4 or below
						document.layers[layer_ref].display = "none";
					}
					if (document.getElementById &&!document.all)
					{
						document.getElementById(elem).style.display="none";
					}
				}
		   }