<!--
function MM_showHideLayers() {
  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 SameH(leftDiv,rightDiv)
{
var a=document.getElementById(leftDiv);
var b=document.getElementById(rightDiv);

if (a.scrollHeight < b.scrollHeight)
{
a.style.height= b.scrollHeight+"px";
}
else
{
b.style.height= a.scrollHeight+"px";
}
}


function MM_findObj(n, d) {
  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 menuFix() {
var sfEls = document.getElementById("nav").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls[i].onMouseDown=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls[i].onMouseUp=function() {
this.className+=(this.className.length>0? " ": "") + "sfhover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"),

"");
}
}
}


function js_post()
{
  var $ = document.getElementById("fuwu");
  if($.value=="")
  {
    alert("Please input Subject!");
    $.focus();
    return false;
  }
   $ = document.getElementById("mingcheng");
  if($.value=="")
  {
    alert("Please input company name!");
    $.focus();
    return false;
  }
  $ = document.getElementById("username");
  if($.value=="")
  {
    alert("Please input contact person!");
    $.focus();
    return false;
  }
  $ = document.getElementById("telphone");
  if($.value=="")
  {
    alert("Please input telphone");
    $.focus();
    return false;
  }
  $ = document.getElementById("email");
  if($.value=="")
  {
    alert("Please input e-mail");
    $.focus();
    return false;
  }
  if(!isEmail($.value))
  {
    alert("E-mail error!");
    $.focus();
    $.select();
    return false;
  }
  $ = document.getElementById("content");
  if($.value=="")
  {
    alert("Please input message!");
    $.focus();
    return false;
  }
}
function isEmail(s)
{
  var patrn=/^\w+((-\w+)|(\.\w+))*\@\w+((\.|-)\w+)*\.\w+$/;
  if (!patrn.exec(s)) return false
  return true
}

//-->