function check_nan(aft) {
	var check= /^\d+$/;
	var result= check.test(aft); 
	return result;
}

function openvotebox(v) {
	var loading_box	=document.getElementById('loading_box');
	var form_box		=document.getElementById('form_box');
	loading_box.innerHTML='<img src="'+TheIGP+'loading.gif" alt="loading" /> 投票中请稍候...';
	form_box	.style.display='none';
	setTimeout('set_vote('+v+')',500);
}
function set_vote(v) {
	var aft=document.getElementById('vote_form');
	var vote_box=document.getElementById('vote_box');
	var ms='';
	var PostValue;
	aft.votes.value=v;
	switch(v) {
		case 1:ms='超不准';break;
		case 2:ms='不准';break;
		case 3:ms='普通';break;
		case 4:ms='准';break;
		case 5:ms='超级准';break;
	}
	//if (confirm('确定投下 “'+ms+'” 这一票吗?')) {
		
		
		var theurl		=TheURL+'vote.php';
		
		PostValue		+='z='+z.getTime();
		
		PostValue		+='&at='+aft.at.value;
		PostValue		+='&votes='+aft.votes.value;
		
		if(XMLHttpRequestObject) {
			XMLHttpRequestObject.open("POST", theurl, true);	
			XMLHttpRequestObject.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
			XMLHttpRequestObject.onreadystatechange = function() {
				if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
					if (vote_box) {
						vote_box.innerHTML=XMLHttpRequestObject.responseText;
					}
				}
			}
		XMLHttpRequestObject.send(PostValue);
		}
	//}
}
function reload_code_img() {
	var aft		=document.getElementById('vote_form');
	var codeimg	=document.getElementById('codeimg');
	var z			=new Date();
	codeimg.src	=TheURL+'code.php?'+z.getTime();
	aft.code.value='';
	aft.code.focus();
}