//		function toggleLayer(whichLayer)
//		{
//			if (document.getElementById)
//			{
//			// this is the way the standards work
//			var style2 = document.getElementById(whichLayer).style;
//			style2.display = style2.display? "":"block";
//			}
//			else if (document.all)
//			{
//			// this is the way old msie versions work
//			var style2 = document.all[whichLayer].style;
//			style2.display = style2.display? "":"block";
//			}
//			else if (document.layers)
//			{
//			// this is the way nn4 works
//			var style2 = document.layers[whichLayer].style;
//			style2.display = style2.display? "":"block";
//			}
//		}
		
//		function toggleLayer(signup1)
//		{
//			if (document.getElementById)
//			{
//			var style1 = document.getElementById(signup1).style;
//			style1.display = style1.display? "":"block";
//			var style2 = document.getElementById(signup2).style;
//			style2.display = style2.display? "":"hide";
//			}
//			else if (document.all)
//			{
//			// this is the way old msie versions work
//			var style1 = document.all[signup1].style;
//			style1.display = style1.display? "":"block";
//			var style2 = document.all[signup2].style;
//			style2.display = style2.display? "":"hidden";
//			}
//			else if (document.layers)
//			{
//			// this is the way nn4 works
//			var style1 = document.layers[signup1].style;
//			style1.display = style1.display? "":"block";
//			var style2 = document.layers[signup2].style;
//			style2.display = style2.display? "":"hidden";
//			}
//		}
//		
//		
//		function toggleLayer(signup2)
//		{
//			if (document.getElementById)
//			{
//			var style1 = document.getElementById(signup2).style;
//			style1.display = style1.display? "":"block";
//			var style2 = document.getElementById(signup1).style;
//			style2.display = style2.display? "":"hide";
//			} 
//			else if (document.all)
//			{
//			// this is the way old msie versions work
//			var style1 = document.all[signup2].style;
//			style1.display = style1.display? "":"block";
//			var style2 = document.all[signup1].style;
//			style2.display = style2.display? "":"hidden";
//			}
//			else if (document.layers)
//			{
//			// this is the way nn4 works
//			var style1 = document.layers[signup2].style;
//			style1.display = style1.display? "":"block";
//			var style2 = document.layers[signup1].style;
//			style2.display = style2.display? "":"hidden	";
//			}
//		}

      // this is a bit of a hack here
      // just list the tab content divs here
      var tabs = ["tab1","tab2"];

      function showTab( tab ){

        // first make sure all the tabs are hidden
        for(i=0; i < tabs.length; i++){
          var obj = document.getElementById(tabs[i]);
          obj.style.display = "none";
        }
          
        // show the tab we're interested in
        var obj = document.getElementById(tab);
        obj.style.display = "block";

      
      }