if (document.images)
	  { 
	    roll = 'true';
	   }
    else
	  {
	    roll = 'false';
	   }
    function over(img,ref) 
	  {
	    if (roll == 'true')
		    {
			  document.images[img].src = ref;
			 } 
	   }
    function out(img,ref)
	  { 
	    if (roll == 'true') 
		    {
			  document.images[img].src = ref;
			 }
	   }
    if (roll == 'true')
     {
	  a1=new Image;a1.src="/common/com/img/sitemap_over.gif";
	  a2=new Image;a2.src="/common/img/international_over.gif";
	  a3=new Image;a3.src="/common/com/img/about_group_act.gif";
	  a4=new Image;a4.src="/common/img/services_act.gif";
	  a5=new Image;a5.src="/common/img/contact_us_act.gif";
	  a6=new Image;a6.src="/common/com/img/request_over.gif";
	  a7=new Image;a7.src="/common/com/img/appaccount_over.gif";
}