function aa()
{
	var page = document.myForm.pages.value;
	if(page=="")
	{
		alert('不能是空');
		document.myForm.pages.focus();
		return false;
	}
	else
	{
		function isNumber(String)
		{ 
		    var Letters = "1234567890"; //数字
		    var i;
		    var c;
		      if(String.charAt( 0 )=='-')
		 		return false;
		      if( String.charAt( String.length - 1 ) == '-' )
		          return false;
		     for( i = 0; i < String.length; i ++ )
		     {
		          c = String.charAt( i );
		   if (Letters.indexOf( c ) < 0)
		          return false;
			}
		     return true;
		}
		if(!isNumber(page))
		{
			alert("必须是数字!!!");
	        document.myForm.pages.focus();
	        return false;
		}

	}
	document.myForm.submit();
}
function tests(){
  	var email = document.myForm.email.value;
  	if (!isemail(email))
	{
		myForm.email.focus();
		return false;
	}
	document.myForm.submit();
  }
  
  function isemail (s)//验证E-MAIL格式函数
  {
		if (s == "")
		{
			window.alert("email地址不能为空!");
			return false;
		}
		if (s.length > 40)
		{
			window.alert("email地址长度不能超过40位!");
			return false;
		}
		var regu = /^[\w\.-]+@[\w\.-]+\.\w+$/i;
		var re = new RegExp(regu);
		if (s.search(re) != -1)
		{
			return true;
		}
	 		else 
		{
		   window.alert ("请输入有效合法的E-mail地址 ！")
		   return false;
		}
  }

function jump(strgoforum) 
{ 
	location.replace(strgoforum);
}


var register = new Object();
register.timeCal = new Object();
register.starttimePinker = function() 
{
	register.timeCal = new Calendar();
	register.timeCal.setMonthNames(new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"));
	register.timeCal.setShortMonthNames(new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"));
	register.timeCal.setWeekDayNames(new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"));
	register.timeCal.setShortWeekDayNames(new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"));
	register.timeCal.setFormat("yyyy-MM-dd");
	register.timeCal.setFirstDayOfWeek(0);
	register.timeCal.setMinimalDaysInFirstWeek(1);
	register.timeCal.setIncludeWeek(false);
	register.timeCal.create();
	register.timeCal.onchange = function() {
	//document.registerForm.birthday.value  = cal.formatDate();
	var field = document.myForm.starttime;
	var value = register.timeCal.formatDate();
	if (field.value != value) 
	{
		field.value = value;
		if (field.onchange) 
		{
			field.onchange();
		}
	}
}
}
var register1 = new Object();
register1.timeCal1 = new Object();
register1.endtimePinker = function() 
{
register1.timeCal1 = new Calendar();
register1.timeCal1.setMonthNames(new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"));
register1.timeCal1.setShortMonthNames(new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"));
register1.timeCal1.setWeekDayNames(new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"));
register1.timeCal1.setShortWeekDayNames(new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"));
register1.timeCal1.setFormat("yyyy-MM-dd");
register1.timeCal1.setFirstDayOfWeek(0);
register1.timeCal1.setMinimalDaysInFirstWeek(1);
register1.timeCal1.setIncludeWeek(false);
register1.timeCal1.create();
register1.timeCal1.onchange = function() {
//document.registerForm.birthday.value  = cal.formatDate();
var field = document.myForm.endtime;
var value = register1.timeCal1.formatDate();
if (field.value != value) 
{
	field.value = value;
	if (field.onchange) 
	{
		field.onchange();
	}
}
}
}