m01_on  = new Image(); m01_on.src  = "images/menu_bal_01_on.jpg";
 m01_off = new Image(); m01_off.src = "images/menu_bal_01.jpg";
 m02_on  = new Image(); m02_on.src  = "images/menu_bal_02_on.jpg";
 m02_off = new Image(); m02_off.src = "images/menu_bal_02.jpg";
 m03_on  = new Image(); m03_on.src  = "images/menu_bal_03_on.jpg";
 m03_off = new Image(); m03_off.src = "images/menu_bal_03.jpg";
 m04_on  = new Image(); m04_on.src  = "images/menu_bal_04_on.jpg";
 m04_off = new Image(); m04_off.src = "images/menu_bal_04.jpg";
 m05_on  = new Image(); m05_on.src  = "images/menu_bal_05_on.jpg";
 m05_off = new Image(); m05_off.src = "images/menu_bal_05.jpg";
 m06_on  = new Image(); m06_on.src  = "images/menu_bal_06_on.jpg";
 m06_off = new Image(); m06_off.src = "images/menu_bal_06.jpg";
 
 var ns4 = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
 var ie4 = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");

 function chpic(mit,mire)
 {
	if (eval(mire).complete)
	   document[mit].src=eval(mire+".src");
    if (ns4) return true;
 }