function show_selector_menu(select_menu_id){
	var select_menu = $(select_menu_id);
	if( select_menu.style.visibility == "inherit"){
		var menu_content = select_menu.firstChild;
		if(navigator.userAgent.indexOf('MSIE')>=0){
			menu_content.style.marginBottom = "0";
			var select_menu_height = select_menu.offsetHeight;
			var timer = setInterval(
								function(){
									var marginb = parseInt(menu_content.style.marginBottom);
									if( marginb<=parseInt("-"+select_menu_height) ){
										menu_content.style.marginBottom = "0";
										select_menu.style.visibility = "hidden";
										clearInterval(timer);	
									}else{
										menu_content.style.marginBottom = (marginb-20)+"px";
									}
								}
								,1);
		}else{
			select_menu.style.visibility = "hidden";
		}
	}else{
		var menu_content = select_menu.firstChild;
		if(navigator.userAgent.indexOf('MSIE')>=0){
			menu_content.style.marginBottom = "-"+ select_menu.offsetHeight+"px";
			var timer = setInterval(
								function(){
									var marginb = parseInt(menu_content.style.marginBottom);
									if(marginb>=0){
										menu_content.style.marginBottom = "0";
										clearInterval(timer);	
									}else{
										menu_content.style.marginBottom = (marginb+20)+"px";
									}
								}
								,1);
		}
		selector_is_clicked[select_menu_id] = true;
		select_menu.style.visibility = "inherit";
	}
}

var showImageIndex = -1;
var imageTimer;
function showImage(imageIndex)
{
	var flash_img_div = document.getElementById("flash_img");
	
	var aimgs = new Array();
	aimgs[0] = 0;aimgs[1] = 1;aimgs[2] = 2;aimgs[3] = 3;
	for(var i=0;i<aimgs.length;i++)
	{	
		var a_img = document.getElementById("aimg"+i);
		if(a_img!=null){
			if(aimgs[i]==imageIndex || (imageIndex==4 && i==0)){
				a_img.className = "aimg";
			}
			else{
				a_img.className = "";}
		}
	}
var aa = new Array();
	aa[0] = 8;	/* 第四張圖 */
	aa[1] = 9;	/* 第一張圖 */
	aa[2] = 10;	/* 第二張圖 */
	aa[3] = 11;	/* 第三張圖 */
		
	if(imageIndex>fImgs.length-1){
		imageIndex = 0;
	}
	
	if(!fImgs[imageIndex] || imageIndex==showImageIndex)
		return false;	
	var imgId = "__fImg"+imageIndex;
	flash_img_div.filters && flash_img_div.filters[0].Apply();
	for(i=0; i<flash_img_div.childNodes.length; i++){
		flash_img_div.childNodes[i].style.display = "none";
	}
	if( document.getElementById(imgId) ){
		var imga = document.getElementById(imgId);
		imga.style.display = "block";
		if(imga.tagName=="OBJECT"){
			imga.rewind();
			imga.Play();
		}
	}else{
		var pos = fImgs[imageIndex].img.lastIndexOf(".");
		if( fImgs[imageIndex].img.substr(pos+1).substr(0,3).toLowerCase()=="swf" ){
			flash_img_div.innerHTML += '\
				<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="661" height="180" id="'+imgId+'">\
					<param name="movie" value="'+fImgs[imageIndex].img+'" />\
					<param name="quality" value="high" />\
					<embed src="../'+fImgs[imageIndex].img+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="661" height="180"></embed>\
				</object>';

		}else{
			var img = new Image();
			img.border = "0";
			img.src = fImgs[imageIndex].img;
			img.width = "661";
			img.height = "180";
			var a = document.createElement("a");
			a.href = "clients_"+aa[imageIndex]+".html";
			a.id = imgId;
			a.appendChild(img);
			flash_img_div.appendChild(a);
		}
	}
	flash_img_div.filters && flash_img_div.filters[0].Play();

	showImageIndex = imageIndex;
	return true;
}
function imagePlay()
{
	if(imageTimer) return;
	if(showImageIndex>=fImgs.length-1){
		showImageIndex = -1;
	}
	showImage(showImageIndex+1);
	imageTimer = setInterval(function(){
					var stat = showImage(showImageIndex+1);
					if(!stat){
						stop();
					}	
				},20000);
}