//preload
var img = new Array();
var baseDir = 'img/';
var imgNameUp = new Array('pa01_on','pa02_on','pa03_on','pa04_on','pa05_on','pa06_on','pa07_on','pa08_on','spec1_on','title01_on','down1_on','samp_d7_on','samp_d5_on');
var imgNameSt = new Array('s01_on','s02_on','s03_on','s04_on','s05_on','s06_on','s07_on','s08_on','s09_on','s10_on');

function preload(){
	if (navigator.appVersion.charAt(0) >= "3") {
		img_max = imgNameUp.length;
		for(idx=0; idx<img_max; idx++) {
			img[idx] = new Image();
			img[idx].src ="../" + baseDir + imgNameUp[idx] + '.gif';
		}

		img_max = imgNameSt.length;
		for(idx; idx<img_max; idx++) {
			img[idx]=new Image();
			img[idx].src= baseDir + imgNameSt[idx]+'.gif';
		}
	}
}
//rollover
function button(nam,o){ 
	if (navigator.appVersion.charAt(0) >= "3"){
		document.images[nam].src="../"+baseDir+o+".gif";
	} 
}
function button2(naa,oo){ 
	if (navigator.appVersion.charAt(0) >= "3"){
		document.images[naa].src=baseDir+oo+".gif";
	} 
}