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) { //v4.0  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 && document.getElementById) x=document.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 doLogin() {   if(document.login.userid.value == "") {          alert("請輸入您的姓名！");          document.login.userid.focus();          return false;    }    if(document.login.password.value == "") {          alert("請輸入您的密碼！");          document.login.password.focus();          return false;    }    document.login.submit();}function checkReg() {	var temp;	temp = new String(document.reg.password.value);	if(document.reg.userid.value == "") {		alert("請輸入用戶名!");		document.reg.userid.focus();		return false;	}	if(document.reg.password.value == "") {		alert("請輸入密碼!");		document.reg.password.focus();		return false;	}else if(temp.length < 6 || temp.length > 8) {		alert("您的密碼少于6位或多于8位!");		document.reg.password.focus();		return false;	}	if(document.reg.password2.value == "") {		alert("請再次輸入密碼!");		document.reg.password2.focus();		return false;	} else if(document.reg.password.value != document.reg.password2.value) {		alert("您二次密碼輸入不一致!");		document.reg.password.value = "";		document.reg.password2.value = "";		document.reg.password.focus();		return false;	}	if(document.reg.email.value != "" & IsEmail(document.reg.email.value)) {		alert("您的E-mail不符合規范!");		document.reg.email.focus();		return false;	}	document.reg.submit();}function IsEmail(item){	var etext	var elen	var i	var aa	var uyear,umonth,uday	etext=item;	elen=etext.length;	if (elen<5) 		return true;	i= etext.indexOf("@",0)	if (i==0 || i==-1 || i==elen-1) 		return true;	else 		{if (etext.indexOf("@",i+1)!=-1)  			return true;}		if (etext.indexOf("..",i+1)!=-1) 		return true;	i=etext.indexOf(".",0)	if (i==0 || i==-1 || etext.charAt(elen-1)=='.') 		return true;	if ( etext.charAt(0)=='-' ||  etext.charAt(elen-1)=='-') 		return true;	if ( etext.charAt(0)=='_' ||  etext.charAt(elen-1)=='_') 		return true;	for (i=0;i<=elen-1;i++)		{ aa=etext.charAt(i) 		 if (!((aa=='.') || (aa=='@') || (aa=='-') ||(aa=='_') || (aa>='0' && aa<='9') || (aa>='a' && aa<='z') || (aa>='A' && aa<='Z')))   			return true;		}	return false;}