var totalSympt=0;

function calc(f) {
	var nbSympt=0;
	var percentSympt=0;
	for (var i=0; i<f.elements["symptome"].length; i++) {
		if (f.elements["symptome"][i].checked) {
			nbSympt++;
		}
	}
	var result1=document.getElementById("nbSympt");
	var result3=document.getElementById("percentSympt");
	result1.innerHTML=nbSympt;
	percentSympt=(nbSympt/totalSympt)*100;
	percentSympt=Math.round(percentSympt);
	result3.innerHTML="("+percentSympt+"%)";
}

function totSympt() {
	var totSympt=0;
	for (var i=0; 
i<document.forms["formulaire"].elements["symptome"].length; i++) {
		totSympt++;
		}
	var result2=document.getElementById("totalSympt");
	result2.innerHTML=totSympt;
	return totSympt;
}

function resetForm() {
	for(var i=0; 
i<document.forms["formulaire"].elements["symptome"].length; i++) {
		
document.forms["formulaire"].elements["symptome"][i].checked=false;
	}
	var result1=document.getElementById("nbSympt");
	var result3=document.getElementById("percentSympt");
	result1.innerHTML=0;
	result3.innerHTML="(0%)";
}