//
//	mds.js --- questionnaire recovery.
//
//


function checker(){
	var str_org = "Required item ";
	var str = str_org;
	var q = 5;	// number of questionnaire
	var anser = new Array();
	anser[0] = "time";	// get (yyyymmdd hh:mm:se) for PHP
	var anser4 = new Array();
	var m=0;
	
	for(var i=1; i<=q; i++){
		var flg = false;
		if(i==2 || i==5){	// text area
			anser[i]=document.getElementById(i).value.replace(/(\n|\r)+/g,"");
			continue;	// skip menu (non required item)
		}
/*
		var chNodes = document.getElementById(i).childNodes;
		for(var j=1; j<chNodes.length; j++){
			if(chNodes[j].firstChild){
				if(chNodes[j].firstChild.checked){
					flg = true;
					if(i==4){
						anser4[m]=chNodes[j].firstChild.value;
						m++;
					}else{
						anser[i]=chNodes[j].firstChild.value;
						break;
					}
				}
			}
		}
*/
		var doc1 = document.getElementById(i);
		var chNodes = doc1.getElementsByTagName("input");
		for(var j=0; j<chNodes.length; j++){
			if(chNodes[j].checked){
				flg = true;
				if(i==4){
					anser4[m]=chNodes[j].value;
					m++;
				}else{
					anser[i]=chNodes[j].value;
					break;
				}
			}
		}
		if(!flg){
			str += i+".";
		}
	}
	// alert
	if(str!=str_org){
		alert(str);
	}else{
		// output
		anser[4] = anser4.join(" ");
		var lang = document.getElementById("lang1").childNodes[0].nodeValue;
		res=record(anser,lang);
		document.getElementById("ans").style.display = "block";
		document.getElementById("out").innerHTML=res;
	}
}

function record(anser,lang){
	var httpObj = createHttpRequest();
	httpObj.open("POST","./writeAns.php",false);
	httpObj.setRequestHeader("Content-type","application/x-www-form-urlencoded");
	httpObj.send("anser="+anser+"&lang="+lang);
	// response
	if(httpObj.readyState == 4 && httpObj.status == 200){
		var res=httpObj.responseText;
		return(res);
	}
}


function init(){
	addListener(document.getElementById("sender"),"click",checker,false);
}
addListener(window,"load",init,false);