if (document.images)
{
  nationalmodel_off = new Image();
  nationalmodel_off.src = "/gd/templates/menus/childrens/ccfa_topnav/nationalmodel_off.gif";
  nationalmodel_on = new Image();
  nationalmodel_on.src = "/gd/templates/menus/childrens/ccfa_topnav/nationalmodel_on.gif";
  
  aboutus_off = new Image();
  aboutus_off.src = "/gd/templates/menus/childrens/ccfa_topnav/aboutus_off.gif";
  aboutus_on = new Image();
  aboutus_on.src = "/gd/templates/menus/childrens/ccfa_topnav/aboutus_on.gif";
  
  forprofessionals_off = new Image();
  forprofessionals_off.src = "/gd/templates/menus/childrens/ccfa_topnav/forprofessionals_off.gif";
  forprofessionals_on = new Image();
  forprofessionals_on.src = "/gd/templates/menus/childrens/ccfa_topnav/forprofessionals_on.gif";
  
  spotting_off = new Image();
  spotting_off.src = "/gd/templates/menus/childrens/ccfa_topnav/spotting_off.gif";
  spotting_on = new Image();
  spotting_on.src = "/gd/templates/menus/childrens/ccfa_topnav/spotting_on.gif";
  
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  howtohelp_off.src = "/gd/templates/menus/childrens/ccfa_topnav/howtohelp_off.gif";
  howtohelp_on = new Image();
  howtohelp_on.src = "/gd/templates/menus/childrens/ccfa_topnav/howtohelp_on.gif";
  
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  newsevents_off.src = "/gd/templates/menus/childrens/ccfa_topnav/newsevents_off.gif";
  newsevents_on = new Image();
  newsevents_on.src = "/gd/templates/menus/childrens/ccfa_topnav/newsevents_on.gif"; 
}

function swapImgOn(imgName) {
	if (document.images)
    		{
				document.images[imgName].src = eval(imgName+"_on.src");
    		}
}
function swapImgOff(imgName) {
	if (document.images)
    		{
				document.images[imgName].src = eval(imgName+"_off.src");
    		}
}