function menu_link(num)

{

	switch(num)



	{



	  case 1:window.location="index.htm" ;break;



	  case 2:window.location="e-marketing.htm" ;break;



	  case 3:window.location="e-business.htm" ;break;



	  case 4:window.location="webpublishing.htm" ;break;



	  case 5:window.location="publishing.htm" ;break;



	}

}