<!--RollOver Script-->
 if(navigator.appVersion.charAt(0) >= "3") {
	var btn = new Array();
	btn['btn1'] = new Image();  btn['btn1'].src = "/imagelib/headnavi1.gif";
	btn['btnover1'] = new Image();  btn['btnover1'].src = "/imagelib/headnavi1_over.gif";
	btn['btn2'] = new Image();  btn['btn2'].src ="/imagelib/headnavi2.gif";
	btn['btnover2'] = new Image();  btn['btnover2'].src = "/imagelib/headnavi2_over.gif";
	btn['btn3'] = new Image();  btn['btn3'].src = "/imagelib/news_btn.gif";
	btn['btnover3'] = new Image();  btn['btnover3'].src = "/imagelib/news_btn_over.gif";
	btn['btn4'] = new Image();  btn['btn4'].src = "/imagelib/detail_btn.gif";
	btn['btnover4'] = new Image();  btn['btnover4'].src = "/imagelib/detail_btn_over.gif";
	btn['btn5'] = new Image();  btn['btn5'].src = "/images/contact_btn.jpg";
	btn['btnover5'] = new Image();  btn['btnover5'].src = "/images/contact_over.jpg";
	
}


function btn_over(a,b) {
	if(navigator.appVersion.charAt(0) >= "3") {
		document.images[a].src = btn[b].src;
	} else { 
	}
}
function btn_out(a,b) {
	document.images[a].src = btn[b].src;
}