browseflag = 0
	browserName = navigator.appName; 
	browserVersion = parseInt(navigator.appVersion);
	
	if (((browserName == "Netscape") && (browserVersion >= 3)) ||
	    ((browserName == "Microsoft Internet Explorer") && 
	     (browserVersion >= 4)))
		{
		   browseflag = 1
		}

	if (browseflag == 1)
		{
			img_office_off = new Image; img_office_off.src = "images/hp_office_off.gif";
			img_office_on = new Image; img_office_on.src = "images/hp_office_on.gif";
			img_contact_off = new Image; img_contact_off.src = "images/hp_contact_off.gif";
			img_contact_on = new Image; img_contact_on.src = "images/hp_contact_on.gif";
			img_patient_off = new Image; img_patient_off.src = "images/hp_patient_off.gif";
			img_patient_on = new Image; img_patient_on.src = "images/hp_patient_on.gif";
			img_appointment_off = new Image; img_appointment_off.src = "images/hp_appointment_off.gif";
			img_appointment_on = new Image; img_appointment_on.src = "images/hp_appointment_on.gif";
		}
	
	
	
	function SwitchEm(button1,button2)
		{
		   if (browseflag == 1)
		   {
		      document.images[button1].src = eval(button2 + ".src");
   }
		}
//-->