var patht = "images/trans_menu_";
		
// preload
var trans0off = new Image(); trans0off.src = patht + "0_off.gif";
var trans1off = new Image(); trans1off.src = patht + "1_off.gif";
var trans2off = new Image(); trans2off.src = patht + "2_off.gif";
var trans3off = new Image(); trans3off.src = patht + "3_off.gif";
var trans0on = new Image(); trans0on.src = patht + "0_on.gif";
var trans1on = new Image(); trans1on.src = patht + "1_on.gif";
var trans2on = new Image(); trans2on.src = patht + "2_on.gif";
var trans3on = new Image(); trans3on.src = patht + "3_on.gif";