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

function openCenteredWindow(url,height,width,name) {
  var str="height="+height+",innerHeight="+height;
  str+=",width="+width+",innerWidth="+width;
  if (window.screen) {
    var ah=screen.availHeight-30;
    var aw=screen.availWidth-10;

    var xc=(aw-width)/2;
    var yc=(ah-height)/2;

    str+=",left="+xc+",screenX="+xc;
    str+=",top="+yc+",screenY="+yc;
  }
  str+=",scrollbars=no";
  return window.open(url,name,str);
}

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];}
}
//-->

ok=0; old_what="non"; 
function show(what){ 
	
	if((old_what != "non") && (what != old_what)){ 
		ok=1; 
		
		old_what.style.display="none"; 
		what.style.display=""; 
	}
	else 
	{ 
		if(ok){ 
			ok=0; 
			what.style.display="none"; 
		}
		else 
		{ 
			ok=1; 
			what.style.display=""; 
		} 
	} 
	old_what=what; 
} 

function checkdata(num){
	if(document.form1.email_txt.value ==""){
		alert("請輸入您的email");	
		document.form1.email_txt.focus();
	}else if(!CheckEmail(document.form1.email_txt.value)){
		document.form1.email_txt.focus();
		alert("請輸入正確的Email");		
	}else{
	if(num==2){
		document.form1.email_act.value = num;
		document.form1.submit()
		}else if(num==1){
	openCenteredWindow('http://www.var.com.tw/newslatter.php?email='+document.form1.email_txt.value,350,300,'win')		
		}
		document.form1.email_txt.value ="";
	}
	//
}

function CheckEmail(EMailStr){
	EMailFormat = /^[a-zA-Z0-9]+[a-zA-Z0-9\._-]*[a-zA-Z0-9]+@[a-zA-Z0-9]+[a-zA-Z0-9\._-]*[a-zA-Z0-9]+(\.[a-zA-Z]{2,4}$)/;
	if(EMailFormat.test(EMailStr)){
		return true;
	}
	else{
		return false;
	}
}

function se(num){
	if(num==1){
		alert("電子報訂閱成功！");
	}else{
		alert("您已取消訂閱電子報！");	
	}
}