function $E(id){ return document.getElementById(id);};

function GetHTTP(){
	var ajax=false;
	try {
		ajax = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			ajax = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			ajax = false;
		}
	}
	if (!ajax && typeof XMLHttpRequest!='undefined') {
		ajax = new XMLHttpRequest();
	}
	return ajax;
};
function submitAdvice(){
	var xmlHttp = GetHTTPS();
	var c=$E("usr_content").value;
	var e=$E("usr_email").value;
	if(c==""){
		alert("请输入内容");
		return false;
	}
	if(e==""){
		alert("请输入Email地址");
		return false;
	}
	var post="&content="+c+"&email="+e+"&radom="+ Math.random()*10;
    xmlHttp.open("post", "/paramweb.html?method=saveAdvice", true);    
    xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
    xmlHttp.onreadystatechange = function() {			
    if (xmlHttp.readyState == 4) {        		
        var result=xmlHttp.responseText;
        if(result==0){
        	alert("提交失败，请稍后再试");
        }else{
        	alert("提交成功，谢谢！");
        }        				
    	}
    }
 	xmlHttp.send(post);
};