var answers= new Array(12);
for (var c=1; c<13; c++) {
	answers[c]=0;
}
var boypic;
var button;
var source;

function xLinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "nofollow") 
     anchor.target = "_blank"; 
 } 
}

function changepic(id) {
	button = "n"+id;
	source = "images/menu_r"+id+"_c1_f2.gif";
	boypic = "images/boy"+id+".jpg";
   	document.getElementById(button).src = source;
	document.getElementById("boy").src = boypic;
}

function changeback(id,thispage) {
	button = "n"+id;
	source = "images/menu_r"+id+"_c1.gif";
	boypic = "images/boy"+thispage+".jpg";
   	document.getElementById(button).src = source;
	document.getElementById("boy").src = boypic;
}

function changescore(points,question) {
	answers[question]=parseFloat(points);
	var score = 0;
	for (var c=1; c<13; c++) {
		score=score+answers[c];
	}
	document.getElementById("result").value = score;
}

function showscore() {
	document.getElementById("button").style.display = "none";
	document.getElementById("score").style.display = "block";
}