function SwitchMenu(obj){
	if(document.getElementById)
	{
  	var el = document.getElementById(obj);
  	var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
  	if(el.style.display != "block")
  	{ //DynamicDrive.com change
		   
  			for (var i=0; i<ar.length; i++)
  			{
  				if (ar[i].className=="bar"){ //DynamicDrive.com change
					 
  				  ar[i].style.display = "none";
					}
  			}
  			el.style.display = "block";
  	}
  	else
  	{
  			el.style.display = "none";
  	}
	}
}