function switchi2f(Arg)
	{document.i2f.src='/IMG/i2f/'+Arg+'.jpg';
	 var dept=new Array(77,78,75,91,92,93,94,95);
	  for(var i=0;i<dept.length;i++)
	 	{if (dept[i] == Arg)
	 		{document.getElementById(dept[i]).style.visibility='visible';}
	 	 else
	 	 	{document.getElementById(dept[i]).style.visibility='hidden';}
	 	}
	}