function maj_cart(type,id)
{
 if(type=="moins"){val=-1;}
 else{val=1;}

 prdid = document.getElementById('prdid_'+id).value;
 
 valeur = document.getElementById('crtqty_'+id).value*1;
 valeur = valeur+val;
 
 prixbase = document.getElementById('prixprod_'+id).value*1;
 prixtot = Math.round(prixbase*valeur*100)/100;
 
 prixtot += '';
 prixtot = prixtot.replace('.',',');
 
 document.getElementById('crtqty_'+id).value=valeur;
 document.getElementById('affqty_'+id).innerHTML=valeur;
 document.getElementById('affpri_'+id).innerHTML=prixtot+"€";
 
 document.forms.cart_quantity.submit();
}

function compter(target,fieldname)
{
 StrLen = target.value.length
 document.getElementById(fieldname).value = StrLen;
}

function rateIt(note)
{
 document.getElementById('rating').value=note;

 if(note<=1){document.getElementById('star1').src='./tpl/discountmanga/img/icone_star_1.png';}
 if(note<=2){document.getElementById('star2').src='./tpl/discountmanga/img/icone_star_1.png';}
 if(note<=3){document.getElementById('star3').src='./tpl/discountmanga/img/icone_star_1.png';}
 if(note<=4){document.getElementById('star4').src='./tpl/discountmanga/img/icone_star_1.png';}
 if(note<=5){document.getElementById('star5').src='./tpl/discountmanga/img/icone_star_1.png';}

 if(note>=1){document.getElementById('star1').src='./tpl/discountmanga/img/icone_star_3.png';}
 if(note>=2){document.getElementById('star2').src='./tpl/discountmanga/img/icone_star_3.png';}
 if(note>=3){document.getElementById('star3').src='./tpl/discountmanga/img/icone_star_3.png';}
 if(note>=4){document.getElementById('star4').src='./tpl/discountmanga/img/icone_star_3.png';}
 if(note>=5){document.getElementById('star5').src='./tpl/discountmanga/img/icone_star_3.png';}
 
 
}

function aff_preview()
{
 image = document.getElementById('image_affiche').value;
 texte = file('tpl/discountmanga/ajax_preview.php?img='+escape(image));

 document.getElementById('affimg').innerHTML = texte;
 document.getElementById('affimg').style.display='inline'
}

function visu_image(image,destination)
{
 document.getElementById('image_affiche').value=image;
 
 document.getElementById('preview_produit').src='./tpl/discountmanga/miniature5.php?pic='+image;
 
 if(destination==1)
 {
  document.getElementById('numero1').src='./tpl/discountmanga/img/icone_num1_on.png';
  if(document.getElementById('numero2')){document.getElementById('numero2').src='./tpl/discountmanga/img/icone_num2_off.png';}
 }
 else
 {
  document.getElementById('numero1').src='./tpl/discountmanga/img/icone_num1_off.png';
  document.getElementById('numero2').src='./tpl/discountmanga/img/icone_num2_on.png';
 }
 

} 

// APPEL AJAX

function file(fichier)
{
 if(window.XMLHttpRequest) // FIREFOX
 {
  xhr_object = new XMLHttpRequest();
 }
 else if(window.ActiveXObject) // IE
 {
  xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
 }
 else
 {
  alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
  return;
 }

 xhr_object.open("GET", fichier, false);
 xhr_object.send(null);

 if(xhr_object.readyState == 4)
 {
  return(xhr_object.responseText);
 }
 else
 {
  return(false);
 }
}