function alltrim(x){
	while((x.length>0) && (x.charAt(0)==' '))
		x = x.substring(1,x.length)
	while((x.length>0) && (x.charAt(x.length-1)==' '))
		x = x.substring(0,x.length-1)
	return x
}

function setcookie(dataid,data){
var expireDate = new Date;
expireDate.setTime(expireDate.getTime()+24*3600*30*1000);
if (expireDate.getYear() < 100) {
expireDate.setYear(expireDate.getYear() + 1900);
} else {
expireDate.setYear(expireDate.getYear());
}
expireDate=expireDate.toGMTString();

document.cookie=dataid+escape(data)+";expires=" +expireDate+";path=/;domain=zww.cn;"
}

function checksend(oform)
{
oform.userid.value=clearStr(oform.userid.value);
if (oform.userid.value.length==0 || oform.password.value.length==0)
{alert('姓名和密码不能为空');
return false;
}
setcookie("UserId=",oform.userid.value);

return true;
}

function getcookie(dataid){
var dc=unescape(document.cookie);
var pos1=dc.indexOf(dataid)
var data="";
if (pos1>=0){
	var pos2=dc.indexOf(";",pos1);
	if (pos2<0) pos2=dc.length;
	data=dc.substring(pos1+dataid.length,pos2);
	pos2=data.indexOf("&");
	if (pos2>=0) data=data.substring(0,pos2);
}
return data;
}

function clearStr(s)
{
return s.replace(/\s/gi,"").replace(/１/gi,"1").replace(/２/gi,"2").replace(/３/gi,"3").replace(/４/gi,"4").replace(/５/gi,"5").replace(/６/gi,"6").replace(/７/gi,"7").replace(/８/gi,"8").replace(/９/gi,"9").replace(/０/gi,"0");
}