// JavaScript Document
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function ChangeTRColour(tr)
{
 document.getElementById(tr).style.backgroundImage="url('images/nav_02.jpg')";
}
function RestoreTRColour(tr)
{
 document.getElementById(tr).style.backgroundImage="url('images/nav_01.jpg')";
}

// JavaScript Document
if (document.images) 
{ 

pic21on= new Image(88,6); 
pic21on.src="images/b_contact_a_02.jpg";
pic22on= new Image(88,7); 
pic22on.src="images/b_contact_b_02.jpg";

pic21off= new Image(88,6); 
pic21off.src="images/b_contact_a_01.jpg"; 
pic22off= new Image(88,7); 
pic22off.src="images/b_contact_b_01.jpg";

} 

function lightup(imgName) 
{ 
if (document.images) 
{ 
imgOn=eval(imgName + "on.src"); 
document[imgName].src= imgOn; 
} 
} 

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