// JavaScript Document
if (document.images) {
//Preload main nav bar

	var mhomeoff = new Image();
	mhomeoff.src = "/images/na1_1.gif";
        var mhomeon = new Image();
        mhomeon.src = "/images/na1_2.gif";

	var mprodoff = new Image();
	mprodoff.src = "/images/na2_1.gif";
        var mprodon = new Image();
        mprodon.src = "/images/na2_2.gif";

	var mservoff = new Image();
	mservoff.src = "/images/na3_1.gif";
        var mservon = new Image();
        mservon.src = "/images/na3_2.gif";

	var mtechoff = new Image();
	mtechoff.src = "/images/na4_1.gif";
        var mtechon = new Image();
        mtechon.src = "/images/na4_2.gif";

	var msupoff = new Image();
	msupoff.src = "/images/na5_1.gif";
        var msupon = new Image();
        msupon.src = "/images/na5_2.gif";

	var maboutoff = new Image();
	maboutoff.src = "/images/na6_1.gif";
        var mabouton = new Image();
        mabouton.src = "/images/na6_2.gif";

        var maboutnoff = new Image();
	maboutnoff.src = "/images/na7_1.gif";
        var maboutnon = new Image();
        maboutnon.src = "/images/na7_2.gif";


}


function rollon(img) {
		if (document.images){
               document[img].src=eval(img+"on.src");			
        }
}

function rolloff(img) {
        if (document.images){
                document[img].src=eval(img+"off.src");
        }}
		
		
		
		
window.defaultStatus="Unitek   卓越品质  源自裕田数码机电"; //任务栏