m1a = new Image();
m1a.src ='/images/interior/usablemco_int_side_nav_01a.gif';
m1b = new Image();
m1b.src ='/images/interior/usablemco_int_side_nav_01b.gif';

m2a = new Image();
m2a.src ='/images/interior/usablemco_int_side_nav_02a.gif';
m2b = new Image();
m2b.src ='/images/interior/usablemco_int_side_nav_02b.gif';

m3a = new Image();
m3a.src ='/images/interior/usablemco_int_side_nav_03a.gif';
m3b = new Image();
m3b.src ='/images/interior/usablemco_int_side_nav_03b.gif';


function hiLite(name, source) {
		document.images[name].src = eval(source + ".src");
}