// JavaScript Document
//表单验证
//调用方法: 在<form>里加入onsubmit="return Forms('表单名')"即可
function Forms(id){
var input=$(id).getElementsByTagName("input");

for(var i=0;i<input.length-1;i++){
	var name=input[i].name;
	if($F(name)==""){
	alert("Le champ suivant est erroné :"+name);
	input[i].focus();
	return false;
	}
}
}
//===============================================================================
//点击小图弹出大图
//调用方法: 把图片所在的表格放在<div id="imagegallery"></div>里,在<body>里加上onload="prepareGallery()"
function showPic(aa){
var line=aa.getAttribute("src");
$("bigPic").setAttribute("src",line.replace('up2','up'));
placeholder.style.display="";
}

function prepareGallery() {
var pic=document.createElement("img");//create img
pic.setAttribute("id","bigPic");

var title=document.createElement("div");//create title
title.style.height="15px";
title.style.cursor="pointer";
title.style.textAlign = "right";
title.style.lineHeight ="15px";
title.innerHTML="&times;&nbsp;";

var placeholder = document.createElement("div");//create placeholder
placeholder.setAttribute("align","right");
placeholder.setAttribute("id","placeholder");
placeholder.style.position="absolute";
placeholder.style.top=document.documentElement.clientHeight/2 - 400 + document.documentElement.scrollTop;
placeholder.style.left=document.documentElement.clientWidth/2 - 400;
placeholder.style.border="1px solid #333333";
placeholder.style.backgroundColor="#7DC3F6";
placeholder.style.display="none";

placeholder.appendChild(title);
placeholder.appendChild(pic);
document.body.appendChild(placeholder);
title.onclick=function(){
placeholder.style.display="none";
}

if (!$("imagegallery")) return false;
var links=$("imagegallery").getElementsByTagName("img");
for(var i=0;i<links.length;i++){
links[i].style.cursor="pointer";
links[i].onclick=function(){
return showPic(this);
}
}
}
//===================================================================================
//点击小图显示大图
//调用方法: 把图片所在的表格放在<div id="imagegallery"></div>里,在大图里加上id="placeholder",在<body>里加上onload="prepareGallery2()"
function showPic2(aa){
if(!$("placeholder")) return false;
var line=aa.getAttribute("src");
$("placeholder").setAttribute("src",line.replace('up2','up'));
var text=aa.getAttribute("name");
$("text").innerHTML=text;
}

function prepareGallery2() {
if (!$("imagegallery")) return false;
var links=$("imagegallery").getElementsByTagName("img");
for(var i=0;i<links.length;i++){
links[i].style.cursor="pointer";
links[i].onmousemove=function(){
return showPic2(this);
}
}
}
//=================================================================================
