{ button1on = new Image;
     button1on.src = "images/TB_B_Home_on.gif";
     button2on = new Image;
     button2on.src = "images/TB_B_IntroAct_on.gif";
	 button3on = new Image;
     button3on.src = "images/TB_B_Schedules_on.gif";
	 button4on = new Image;
     button4on.src = "images/TB_B_Jobs_on.gif";
	 button5on = new Image;
     button5on.src = "images/TB_B_Contacts_on.gif";
	 
     button1off = new Image;
     button1off.src = "images/TB_B_Home_off.gif";
     button2off = new Image;
     button2off.src = "images/TB_B_IntroAct_off.gif";
	 button3off = new Image;
     button3off.src = "images/TB_B_Schedules_off.gif";
	 button4off = new Image;
     button4off.src = "images/TB_B_Jobs_off.gif";
	 button5off = new Image;
     button5off.src = "images/TB_B_Contacts_off.gif";
	 }
        
function img_act(imgName)
{ imgOn = eval(imgName + "on.src");
  document [imgName].src = imgOn; }

function img_inact(imgName)
{ imgOff = eval(imgName + "off.src");
  document [imgName].src = imgOff; }