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_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_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];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function checkData(f){
	if (document.add_form.email.value == "")
	{
   		alert("請輸入電子郵件信箱");
 		document.add_form.email.focus();
   		return false;
   	}
    
    if (document.add_form.email.value.length >0)
    {
		i=document.add_form.email.value.indexOf("@")
		j=document.add_form.email.value.indexOf(".",i)
		k=document.add_form.email.value.indexOf(",")
		kk=document.add_form.email.value.indexOf(" ")
		jj=document.add_form.email.value.lastIndexOf(".")+1
		len=document.add_form.email.value.length
	
		if ((i>0) && (j>(i+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=5)) {}
		else {
			alert(document.add_form.email.value + " 是錯誤的格式")
			return false;
		}
	}
			
	return true;
}

function toPush(cate,website,title,link,act){
  if(link=='' || link==undefined){
    link = document.URL;
  }
  title = title.replace("(","（");  //將半形括號替換成全形
  title = title.replace(")","）");
  if(website=='plurk'){
    toPlurk(act,cate,title,link);

  }else if(website=='twitter'){
    toTwitter(cate,title,link);

  }else if(website=='facebook'){
    toFacebook(act,title,link);
  }
}
//分享連結到Plurk
function toPlurk(act,cate,title,link){
  window.open('http://www.plurk.com/?qualifier='+act+'&status=' .concat(encodeURIComponent(cate)) .concat(' ') .concat(encodeURIComponent(link)) .concat(' ') .concat('(') .concat(encodeURIComponent(title)) .concat(')'));
}
//分享連結到Twitter
function toTwitter(cate,title,link){
  window.open('http://twitter.com/home/?status=' .concat(encodeURIComponent(cate)) .concat(' ') .concat(encodeURIComponent(title)) .concat(' ') .concat(encodeURIComponent(link)))
}
//分享連結到Facebook
function toFacebook(act,title,link){
  window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(link)+'&t='+encodeURIComponent(title),act,'toolbar=0,status=0,width=626,height=436');
}