// JavaScript Document
function preReading() {
	var preImage= new Array();
	for (i=0; i<imgAry.length; i++){
		preImage[i] = new Image();
		preImage[i].src = imgAry[i];
	}
	return preImage;
}

function next() {
	if (selectNumber<imgAry.length-1) {
		selectNumber++;
		viewImages(selectNumber)
	}else first();
}

function previous() {
	if (selectNumber-1 >= 0) {
		selectNumber--;
		viewImages(selectNumber)
	}else last();
}

function first() {
	selectNumber = 0;
	viewImages(selectNumber)
}

function last() {
	selectNumber = imgAry.length-1;
	viewImages(selectNumber)
}

function autoplay() {
	if(autostatus){
		document.getElementById("autoplay").className="slidemenu3";
		document.getElementById("autobutton").innerHTML="������";
		autostatus = false;		
	}else{
		document.getElementById("autoplay").className="slidemenu4";
		document.getElementById("autobutton").innerHTML="��~";
		autostatus = true;		
		selectNumber--;
	}
	rotate();
}

function rotate() {
	if (autostatus) {
		selectNumber = (selectNumber < imgAry.length-1) ? selectNumber+1 : 0;
		viewImages(selectNumber);
		window.setTimeout("rotate()", rotate_delay);
	}
}

function viewFirstImage(number){
	imageTag = document.getElementById("imgTag");
	commentTag = document.getElementById("comTag");

	viewImages(number);
}

function viewImages(number){
	imageTag.src = imgAry[number];
	imageTag.width = prImg[number].width;
	imageTag.height = prImg[number].height;
	
	commentTag.innerHTML = detailAry[number];
}

//-->