// JavaScript Document
function ow(fn,w,h)
{
    if(h/1.0>700) t=0;  else t=50;
	if(w/1.0>700) l=0;  else l=50;
    wn="../photo/aboutus/l"+fn+".jpg";
    window.open(wn,"pwin","'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width="+w+",height="+h+",left="+l+",top="+t+"'");
}

function My_swapImage(id, url, li_id, bg_type) {
	var image = document.getElementById(id);
	image.src = url;

	var t = document.getElementById(li_id);
/*	if (bg_type==1)
	 	t.style.background = 'url(../images/common/menu_bg_over.gif)';
	 else
	 	t.style.background = 'url(../images/common/menu_bg.gif)';
*/		
//	initImage("ib_photo");
}
function changePhoto(id, url) {
	var image = document.getElementById(id);
	image.src = url;
//	initImage("ib_photo");
}
function check_null(string) 
{ 
   var i=string.length;
   var j = 0; 
   var k = 0; 
   var flag = true;
   while (k<i)
      { 
          if (string.charAt(k)!= " ") 
              j = j+1; 
          k = k+1; 
      } 
   if (j==0) 
      flag = false;
  return flag; 
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function emailCheck(emailStr)
{
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|tv)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	//var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var emailPat=/^(.+)@(.+)$/;
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null)
	{
		alert("邮件地址错误！ (请检查@ 和 .)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++)
	{
		if (user.charCodeAt(i)>127)
		{
			alert("邮件包含非法字符！");
			return false;
		}
	}
	for (i=0; i<domain.length; i++)
	{
		if (domain.charCodeAt(i)>127)
		{
			alert("域名包含非法字符！");
			return false;
		}
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null)
	{
		for (var i=1;i<=4;i++)
		{
			if (IPArray[i]>255)
			{
				alert("IP地址不正确！");
				return false;
			}
		}
		return true;
	} 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++)
	{
		if (domArr[i].search(atomPat)==-1)
		{
			alert("域名不正确！");
			return false;
		}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1)
	{
		alert("邮件地址必须是已知域名或是两个字母 " + "国家.");
		return false;
	}
	if (len<2)
	{
		alert("这个邮件地址没有主机名！");
		return false;
	}
	return true;
}

// 这是经过调整的 html 元素建立方式，以后每次要建立 html 元素时就呼叫它。
createEl = function(t, a, y, x) {
    var e = document.createElement(t);
    if (a) {
        for (var k in a) {
            if (k == 'class') e.className = a[k];
            else if (k == 'id') e.id = a[k];
            else e.setAttribute(k, a[k]);
        }
    }
    if (y) { for (var k in y) e.style[k] = y[k]; }
    if (x) { e.appendChild(document.createTextNode(x)); }
    return e;
}
// 现在我们开始使用 createEl 这个函式来达成与第一段程式码相同的目的
//var newElement = createEl('div',  {'class': 'newDivClass', id: 'newDiv', name: 'newDivName'},    {width: '300px', height:'200px', margin:'0 auto', border:'1px solid #DDD'},    '这是存在于在新建立标签 div 中的文字。');