getBrowser();
function getBrowser(){
	ua = new Object();
	var useragent = navigator.userAgent;

	// �� Opera				==> ua.Opera
	if ( useragent.match( /Opera[\/\s](\d+\.\d+)/ ) && RegExp.$1 >= 6 ){ ua.Opera = RegExp.$1;  return true; }

	// �� Internet Explorer	==> ua.InternetExplorer
	if ( useragent.match( /MSIE (\d+\.\d+);/ ) && RegExp.$1 >= 5 ){ ua.InternetExplorer = RegExp.$1;  return true; }

	// �� Netscape6			==> ua.Netscape
	if ( useragent.match( /Netscape6\/(\d+\.\d+)/ ) ){ ua.Netscape = RegExp.$1;  return true; }

	// �� Mozilla			==> ua.Mozilla
	if ( useragent.match( /^Mozilla\/5\.0.+rv:(\d+\.\d+).+Gecko/ ) && RegExp.$1 >= 1 ){ ua.Mozilla = RegExp.$1;  return true; }

	ua.other = 1;  return false;
}

if(navigator.appVersion.charAt(0) >=3){
	var image = new Array();
    
	for( i = 0 ; i < 8 ; i++ ){
		image[i] = new Image();
	}

	image[0].src= "../../img/m_inf2b.gif";
	image[1].src= "../../img/m_tec2b.gif";
	image[2].src= "../../img/m_int2b.gif";
	image[3].src= "../../img/m_car2b.gif";
	image[4].src= "../../img/m_lib2b.gif";
	image[5].src= "../../img/m_stu2b.gif";
	image[6].src= "../../img/m_cam2b.gif";
	image[7].src= "../../img/m_blank1.gif";

	var menuImage = new Array();

	for ( var i = 0; i < 14; i++ )
	{
		menuImage[i] = new Image();
	}

	menuImage[0].src = "../../img/m_inf2.gif";
	menuImage[1].src = "../../img/m_inf2a.gif";
	menuImage[2].src = "../../img/m_tec2.gif";
	menuImage[3].src = "../../img/m_tec2a.gif";
	menuImage[4].src = "../../img/m_int2.gif";
	menuImage[5].src = "../../img/m_int2a.gif";
	menuImage[6].src = "../../img/m_car2.gif";
	menuImage[7].src = "../../img/m_car2a.gif";
	menuImage[8].src = "../../img/m_lib2.gif";
	menuImage[9].src = "../../img/m_lib2a.gif";
	menuImage[10].src = "../../img/m_stu2.gif";
	menuImage[11].src = "../../img/m_stu2a.gif";
	menuImage[12].src = "../../img/m_cam2.gif";
	menuImage[13].src = "../../img/m_cam2a.gif";

}
function paintBtn(imgID,imgname){
    if(navigator.appVersion.charAt(0) >= 3 ){
        document.images[imgID].src = image[imgname].src;
    }
}
function paintMnt(imgID,imgname){
    if(navigator.appVersion.charAt(0) >= 3 ){
        document.images[imgID].src = menuImage[imgname].src;
    }
}