/******
** 通用js文件
****/

//头部菜单切换js   开始

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//头部菜单切换js   结束


 
function LogIn(){
	var lgnFrm=document.forms["LoginForm"],errStr="",errObj =  document.getElementById("lgnErr");
	errObj.style.display="none";errObj.innerHTML="";
	if(lgnFrm.username.value==""){errStr+="Please input your email address";}
	else{
		//验证Emai格式是否正确
		lgnFrm.username.value=jstrim(lgnFrm.username.value);
		//将原有的正则表达式((\S)+[@]{1}(\S)+[.]{1}(\w)+修改为 ^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$
		if(!/^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/.test(lgnFrm.username.value)){
			errStr+="The email address format error.";
		}
	}
	if(lgnFrm.pwd.value==""){errStr+=(errStr.length==0?"":"<br>\r\n") + "Please input your password";}
	if(errStr.length > 0){errObj.innerHTML= errStr;errObj.style.display="block";return false;}
	else{setCookie("cookie_LoginName",lgnFrm.username.value);lgnFrm.submit();return true;}
}


//通常需要验证一个textbox的输入长度字母数字n或者汉字n/2个，但在混合的情况下不好判断，使用如下方法判断 
//的倒输入数据的长度，转换程UTF-8验证（适用于中文－英文等）
function getStringUTFLength(str) {
  var value = str.replace(/[^\x00-\xff]/g,"  ");
  return value.length;
 } 

//判断输入是否超过长度
function CheckInputLength(input_name,max_length,errmsg_showid){
    if (getStringUTFLength(input_name.value) > max_length)    {
        document.getElementById(errmsg_showid).innerHTML= "The content is too long！";    
        return false;
    }
    return true;
} 

//清空错误提示信息
function clearErrMsg(errName){
    document.getElementById(errName).innerHTML= "";
}

function   jstrim(s)     
{   
  return s.replace(/(^\s*)|(\s*$)/g,"");       
}
//phone list js
function over(){this.className="sfhover";}function out(){this.className="";}
function ol(){var sfEls=document.getElementById("nav").getElementsByTagName("LI");for(var i=0;i<sfEls.length;i++){sfEls[i].onmouseover=over;sfEls[i].onmouseout=out;}}

function getCookie(Name){var re=new RegExp(Name+"=[^;]+", "i");if (document.cookie.match(re))return document.cookie.match(re)[0].split("=")[1];return "";}
function setCookie(name, value){var p=new Date();p.setFullYear(p.getFullYear()+100);document.cookie=name+"="+value+";path=/;expires="+p.toGMTString()+";";}

function SearchGame(){
	var ret=false;
	var words=document.getElementById("Search");
	if(words){
		if(words.value.length>0 && words.value!="input your search text here"){
			ret=true;
		}
	}
	return ret;
}
function LiveChat(){
	window.open('http://server.iad.liveperson.net/hc/62952254/?cmd=file&file=visitorWantsToChat&site=62952254&referrer='+escape(document.location),'chat62952254','width=472,height=320');
	return false;
}

function FormProductDetailHead(){
document.write("<form id=\"frm_product_detail\" name=\"frm_product_detail\" method=\"post\">");
}

function FormProductListHead(){
document.write("<form  id=\"frm_product_detail\" name=\"frm_product_detail\" method=\"post\">");

}

function FormProductDetailTail() {
document.write("</form>");

}

function FormSiteMapHead(){
document.write("<form  id=\"frm_sitemap\" name=\"frm_sitemap\">");

}