/* This javascript loads images into cache and determines 
which image is displayed on a mouseover.  a (normal) for 
off and b (brightened) for on */

if (navigator.userAgent.substring (8,9) >= "3")
        {
	button01a=new Image();
        button01a.src="menu/button01a.gif";
	button01b=new Image();
        button01b.src="menu/button01b.gif";
	button02a=new Image();
        button02a.src="menu/button02a.gif";
	button02b=new Image();
        button02b.src="menu/button02b.gif";
	button03a=new Image();
        button03a.src="menu/button03a.gif";
	button03b=new Image();
        button03b.src="menu/button03b.gif";
	button04a=new Image();
        button04a.src="menu/button04a.gif";
	button04b=new Image();
        button04b.src="menu/button04b.gif";
	button05a=new Image();
        button05a.src="menu/button05a.gif";
	button05b=new Image();
        button05b.src="menu/button05b.gif";
	button13a=new Image();
        button13a.src="menu/button13a.gif";
	button13b=new Image();
        button13b.src="menu/button13b.gif";
	button15a=new Image();
        button15a.src="menu/button15a.gif";
	button15b=new Image();
        button15b.src="menu/button15b.gif";
	button23a=new Image();
        button23a.src="menu/button23a.gif";
	button23b=new Image();
        button23b.src="menu/button23b.gif";
	button24a=new Image();
        button24a.src="menu/button24a.gif";
	button24b=new Image();
        button24b.src="menu/button24b.gif";
	button92a=new Image();
        button92a.src="menu/button92a.gif";
	button92b=new Image();
        button92b.src="menu/button92b.gif";
	button93a=new Image();
        button93a.src="menu/button93a.gif";
	button93b=new Image();
        button93b.src="menu/button93b.gif";
	button94a=new Image();
        button94a.src="menu/button94a.gif";
	button94b=new Image();
        button94b.src="menu/button94b.gif";
	button95a=new Image();
        button95a.src="menu/button95a.gif";
	button95b=new Image();
        button95b.src="menu/button95b.gif";
	emaila=new Image();
        emaila.src="menu/emaila.gif";
	emailb=new Image();
        emailb.src="menu/emailb.gif";
        }
        
function mouseOn(imgName)
        {
        if (navigator.userAgent.substring (8,9) >= "3")
                {
                document[imgName].src=eval(imgName+"b.src");
                }
        }
                
function mouseOff(imgName)
        {
        if (navigator.userAgent.substring (8,9) >= "3")
                {   
                document[imgName].src=eval(imgName+"a.src");
                }
        }

/* preload images */
bgtransp=new Image(10,10);
bgtransp.src="pix/bgtransp.gif";
menu_spacer=new Image(166,1);
menu_spacer="pix/menu_spacer.gif";
top_left=new Image(466,86);
top_left.src="pix/top_left.gif";
top_right=new Image(270,86);
top_right.src="pix/top_right.gif";
left2_3=new Image(166,29);
left2_3.src="menu/left2_3.gif";
left3_4=new Image(166,29);
left3_4.src="menu/left3_4.gif";
left4_5=new Image(166,29);
left4_5.src="menu/left4_5.gif";
left5=new Image(166,105);
left5.src="menu/left5.gif";
left6=new Image(166,162);
left6.src="menu/left6.gif";
left12_13=new Image(166,29);
left12_13.src="menu/left12_13.gif";
left13_14=new Image(166,29);
left13_14.src="menu/left13_14.gif";
left15=new Image(166,105);
left15.src="menu/left15.gif";
left22_23=new Image(166,29);
left22_23.src="menu/left22_23.gif";
left23_24=new Image(166,29);
left23_24.src="menu/left23_24.gif";
left25=new Image(166,105);
left25.src="menu/left25.gif";
left26=new Image(166,162);
left26.src="menu/left26.gif";