var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-25205924-1']);
  _gaq.push(['_trackPageview']);

  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();



			var currVisible="";	
		
			function getObj(name)
			{
			  if (document.getElementById(name))
			  {
				this.obj = document.getElementById(name);
				this.style = document.getElementById(name).style;
			  }
		  	  else if (document.all[name])
		  	  {
				this.obj = document.all[name];
				this.style = document.all[name].style;
		  	  }
		  	  else if (document.layers[name])
		  	  {
		   		this.obj = document.layers[name];
		   		this.style = document.layers[name];
		      }
		    }
			function invi(id,flag)
			{
			  var x = new getObj(id);
			  x.style.visibility = flag;
			  if(flag == "visible" && currVisible != id){
			  	if(currVisible!= ""){
					var hide = currVisible;
					//alert("hiding " + hide);
					invi(hide,"hidden");
			  	}
			  	currVisible = id;
			  	//alert("currvisible " + currVisible);
			  }
			  
			}