/*
MAIN nav image swap
*/

// Initialize main nav images
if (document.images) {
	subprofOn = new Image(56,35);
	subprofOn.src = "b_subprof_on.gif";
	subtoolsOn = new Image(56,35);
	subtoolsOn.src = "b_subtools_on.gif";
	subrefOn = new Image(56,35);
	subrefOn.src = "b_subref_on.gif";
	subjobOn = new Image(56,35);
	subjobOn.src = "b_subjob_on.gif";
	subdiscussOn = new Image(56,35);
	subdiscussOn.src = "b_subdiscuss_on.gif";
	subhomeOn = new Image(56,35);
	subhomeOn.src = "b_subhome_on.gif"; 
	subcommOn = new Image(56,35);
	subcommOn.src = "b_subcomm_on.gif"; 
	sublinksOn = new Image(56,35);
	sublinksOn.src = "b_sublinks_on.gif";
	subspotOn = new Image(56,35);
	subspotOn.src = "b_subspot_on.gif";


    subprofOff = new Image(56,35);
	subprofOff.src = "b_subprof_off.gif";
	subtoolsOff = new Image(56,35);
	subtoolsOff.src = "b_subtools_off.gif";
	subrefOff = new Image(56,35);
	subrefOff.src = "b_subref_off.gif";
	subjobOff = new Image(56,35);
	subjobOff.src = "b_subjob_off.gif";
	subdiscussOff = new Image(56,35);
	subdiscussOff.src = "b_subdiscuss_off.gif";
	subhomeOff = new Image(56,35);
	subhomeOff.src = "b_subhome_off.gif";
	subcommOff = new Image(56,35);
	subcommOff.src = "b_subcomm_off.gif"; 
	sublinksOff = new Image(56,35);
	sublinksOff.src = "b_sublinks_off.gif";
	subspotOff = new Image(56,35);
	subspotOff.src = "b_subspot_off.gif";
}


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

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