var carte=0;
var carteT="Choisir";

function ecovy(){
	
var couple=parseFloat(document.getElementById("couple").value);
var nbenfants=parseFloat(document.getElementById("nbenfants").value);
var edf=parseFloat(document.getElementById("edf").value);
var orientation=parseFloat(document.getElementById("orientation").value);
var inclinaison=parseFloat(document.getElementById("inclinaison").value);
var integre=parseFloat(document.getElementById("integre").value);




if (carte=="0.8" ) {carteT="indice 1";}
else if (carte=="0.95" ) {carteT="indice 2";}
else if (carte=="0.96" ) {carteT="indice 3";}
else if (carte=="0.99" ) {carteT="indice 4";}
else if (carte=="1" ) {carteT="indice 5";}
document.getElementById("carteRes").value=carteT;

if (orientation=="0.5" ) {inclinaison=0.5;}
else if (orientation=="0.6") {inclinaison=0.6;}

var resultat=244*carte*orientation*inclinaison;

var x=resultat*integre;
var nbpanno=Math.round(edf/x);
var production=nbpanno*resultat;
var rachat=production*integre;
/*var y=(couple+(200*nbenfants))*0.1;*/
var credit=couple+(200*nbenfants);
var subvention=Math.round(210*nbpanno*0.7)
var coutHT=(((1500*nbpanno)+400*nbpanno)-credit)-subvention;
var coutTTC=((coutHT*5.5)/100)+coutHT;
var bilan=coutTTC-(200*nbenfants)-couple-(rachat*20);


//var surplus=rachat-edf;


document.getElementById("credit").innerHTML=credit;
document.getElementById("kwh").innerHTML=integre;
//document.getElementById("resultat").innerHTML=resultat;
document.getElementById("nbpanno").innerHTML=(isNaN(nbpanno) ? 0 : Math.round(nbpanno));
document.getElementById("production").innerHTML=(isNaN(production) ? 0 : Math.round(production));
document.getElementById("rachat").innerHTML=(isNaN(rachat) ? 0 : Math.round(rachat));
//document.getElementById("coutHT").innerHTML=(isNaN(coutHT) ? 0 : Math.round(coutHT));
//document.getElementById("coutTTC").innerHTML=(isNaN(coutTTC) ? 0 : Math.round(coutTTC));
//document.getElementById("bilan").innerHTML=(isNaN(bilan) ?  0 :"Gain de " + Math.round(bilan));
//document.getElementById("surplus").innerHTML=(isNaN(surplus) ? 0 : Math.round(surplus));



                      
			
var n = 12*12; //alert(n);
var ia = (6 / 100) + 1; //alert(ia);
var divi1 = 1/12; //alert(divi1);
var puissia = Math.pow(ia, divi1); //alert(puissia);
var mtop = coutTTC * (puissia - 1); //alert(mtop); 
var divi2 = -n/12; //alert(divi2);
var mdown = 1 - (Math.pow(ia, divi2)); //alert(mdown);

var yy = mtop / mdown; 

//alert(yy);
var parmois= Math.ceil(yy); 
document.getElementById("parmois").innerHTML=(isNaN(parmois) ? 0 : Math.round(parmois));
document.getElementById("subventionsregionales").innerHTML=subvention;
}
function verif(){

if (document.getElementById("edf").value < 200) {
//document.getElementById("edfV").style.visibility="visible";
document.getElementById("edfV").innerHTML="Veuillez indiquer un montant superieur à 200 &euro;";
document.getElementById("edf").focus();
document.getElementById("edf").style.backgroundColor="red";
document.getElementById("edf").style.color="white";
}else{
document.getElementById("edf").style.backgroundColor="white";
document.getElementById("edf").style.color="#006600";
document.getElementById("edfV").innerHTML="";
}
if (document.getElementById("carteRes").value =="Choisir" || document.getElementById("carteRes").value =="") {
document.getElementById("regionV").innerHTML="Veuillez choisir votre region";
document.getElementById("carteRes").focus();
document.getElementById("carteRes").style.backgroundColor="red";
document.getElementById("carteRes").style.color="white";
}else{
document.getElementById("carteRes").style.backgroundColor="white";
document.getElementById("carteRes").style.color="#006600";
document.getElementById("regionV").innerHTML="";
}
}
function visibilite(thingId,txtAff,txtMasque)
{
var targetElement; var targetElementLink;
targetElement = document.getElementById(thingId) ;
targetElementLink = document.getElementById(thingId+'Link');
if (targetElement.style.display == "none")
{
targetElement.style.display = "" ;
targetElementLink.innerHTML = txtMasque ;


} else {
targetElement.style.display = "none" ;
targetElementLink.innerHTML = txtAff ;
}
}

/******************************************************************/