function doZoom(size){
	document.getElementById('zoom').style.fontSize=size+'px'
}
function reply_info_check(){
	if (window.document.reply_info_add.web_reply_info.value=="") {
		alert ("请正确填写内容！");
		document.reply_info_add.web_reply_info.focus();
		return false;
	}
}
function LoginSystem () {
	User=window.document.all.Username.value;
	Pass=window.document.all.Passwd.value;
	if (User=="") {
		alert("请正确输入你的用户名");
		document.all.Username.focus();
		return false;
	}
	if (Pass=="") {
		alert("请正确输入你的密码");
		document.all.Passwd.focus();
		return false;
	}
	if (screen.width > 1024) {
		Window_width=1000;
		Window_height=750;
		Window_left=(screen.Width-Window_width)/2
		Window_top=(screen.Height-Window_height)/2
	}
	else {
		Window_width=screen.availWidth-10;
		Window_height=screen.availHeight-25;
		Window_top=0
		Window_left=0
	}
	window.open('http://www.upweb.net/peradmin/admin.php?loginid='+User+'&password='+Pass+'','all_window','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width='+Window_width+',height='+Window_height+',left='+Window_left+',top='+Window_top+'');
	return true;
}