var buttons = new Array( "help", "home", "mycourses", "myprofile", "mytranscripts", "navlogout" );
for( x=0; x<buttons.length; x++ ) {
	eval( buttons[x] + " = new Image();" );
	eval( buttons[x] + ".src = \"images/" + buttons[x] + ".jpg\";" );
	eval( buttons[x] + "1 = new Image();" );
	eval( buttons[x] + "1.src = \"images/" + buttons[x] + "1.jpg\";" );
}