function set_class(iID,iLevel,iMode)
{
	if (sBrowserType == "IELAYER" || sBrowserType == "DOM")
	{
		if(iMode == 1)
		{
			sClass = "nav" + iLevel + "a";
		}
		else
		{
			sClass = "nav" + iLevel;
		}	
		
		if (sBrowserType == "DOM")
		{
			obj = document.getElementById("id" + iID);
			if (iLevel != 3)
			{
				objs = document.getElementById("id" + iID + "s");
				objf = document.getElementById("id" + iID + "f");
			}
		}
		else
		{
			obj = "document.all.id" + iID;
			if (iLevel != 3)
			{
				objs = "document.all.id" + iID + "s";
				objf = "document.all.id" + iID + "f";
			}
		}
			
		obj.className = sClass;

		if (iLevel != 3)
		{
			objs.className= sClass
			objf.className= sClass
		}
	}
}