function set_cookie(name,value,expires,path,domain,secure)
{ 
	//var expDays = expires*24*60*60*1000; 
	var expDays = expires*60*1000;
	var expDate = new Date(); 
	expDate.setTime(expDate.getTime()+expDays); 
	var expString = ((expires==null) ? "" : (";expires="+expDate.toGMTString())) 
	var pathString = ((path==null) ? "" : (";path="+path)) 
	var domainString = ((domain==null) ? "" : (";domain="+domain)) 
	var secureString = ((secure==true) ? ";secure" : "" ) 
	document.cookie = name + "=" + escape(value) + expString + pathString + domainString + secureString; 
}
function get_cookie(name)
{ 
	var result = null; 
	var myCookie = document.cookie + ";"; 
	var searchName = name + "="; 
	var startOfCookie = myCookie.indexOf(searchName); 
	var endOfCookie; 
	if (startOfCookie != -1)
	{ 
		startOfCookie += searchName.length; 
		endOfCookie = myCookie.indexOf(";",startOfCookie); 
		result = unescape(myCookie.substring(startOfCookie, endOfCookie)); 
	} 
	return result; 
}
function clear_cookie(name)
{ 
	var ThreeDays=3*24*60*60*1000; 
	var expDate = new Date(); 
	expDate.setTime(expDate.getTime()-ThreeDays); 
	document.cookie=name+"=;expires="+expDate.toGMTString();
}

function unset_cookie(name,path,domain)
{ 
	var ThreeDays=3*24*60*60*1000; 
	var pathString = ((path==null) ? "" : (";path="+path)) 
	var domainString = ((domain==null) ? "" : (";domain="+domain)) 
	var expDate = new Date(); 
	expDate.setTime(expDate.getTime()-ThreeDays); 
	document.cookie=name+"=;expires="+expDate.toGMTString() + pathString + domainString;
}


function formSubDelay(sec,ele){
	Today = new Date();
  	var NowHour = Today.getHours();
  	var NowMinute = Today.getMinutes();
  	var NowSecond = Today.getSeconds();
  	var mysec = (NowHour*3600)+(NowMinute*60)+NowSecond;
  	if ((mysec-document.getElementById(ele).value)>sec){
  		document.getElementById(ele).value = mysec;
  		return true;
  	}else{
  		alert('请不要在短时间内提交问题！'); 
  		return false;
  	}
}

function TimeDo(sec,ele){
	var wait = sec * 1000;
	document.getElementById(ele).disabled = true;
	window.setTimeout("document.getElementById('"+ele+"').disabled = false;", wait);
}