scroll.js

大家一起研究研究,全部都是开源的CSHARP代码.带数据库的

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 flash_title = document.getElementById("flash_title");	
	
	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="320" height="240" 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="320" height="240"></embed>\
				</object>';

		}else{
			var img = new Image();
			img.border = "0";
			img.src = fImgs[imageIndex].img;
			img.width = "320";
			img.height = "240";
			var a = document.createElement("a");
			a.href = fImgs[imageIndex].href;
			a.target = "_blank";
			a.id = imgId;
			a.appendChild(img);
			flash_img_div.appendChild(a);
		}
	}
	flash_img_div.filters && flash_img_div.filters[0].Play();
	var flash_show_ctl_msg = document.getElementById("flash_show_ctl_msg");
	flash_show_ctl_msg.filters && flash_show_ctl_msg.filters[0].Apply();
	flash_title.href = fImgs[imageIndex].href;
	flash_title.innerHTML = fImgs[imageIndex].title;
	flash_show_ctl_msg.filters && flash_show_ctl_msg.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();
					}	
				},7000);
}
function stop(){
	clearInterval(imageTimer);
	imageTimer = null;
}
function showNextImage(){
	showImage(showImageIndex+1);
}
function showPrevImage(){
	showImage(showImageIndex-1);
}