// transparence des images des colonnes (en js pour passer le validateur css W3C)
document.write("<style>");
document.write("div.colonne dl.illustrations dt a, div.colonne dl.illustrations dt a:visited {filter: alpha(opacity=90); -moz-opacity: 0.9; -khtml-opacity: 0.9; opacity: 0.9; }");
document.write("div.colonne dl.illustrations dt a:hover, div.colonne dl.illustrations dt a:visited:hover {filter: alpha(opacity=100); -moz-opacity: 1; -khtml-opacity: 1; opacity: 1; }");
document.write("</style>");

// plusieurs onloads
function addToStart(fnc){
  if(!window.listStart) window.listStart = new Array();
  window.listStart.push(fnc);
}

function start(){
  var ls = window.listStart;
  if(ls){
    for(i=0; i<ls.length; i++){
      fnc = ls[i];
      if(typeof(fnc) == 'function'){
        fnc();
      } else {
        eval(fnc);
      }
    }
  }
}

window.onload = start;

//liens externes
function LiensExternes() {
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";
}
}

window.onload = LiensExternes;

// verif champs obligatoires
//* Required field(s) validation v1.10- By NavSurf
//* Visit Nav Surf at http://navsurf.com
//* http://dynamicdrive.com/dynamicindex16/requiredcheck.htm
function formCheck(formobj){
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < ChampOblig.length; i++){
		var obj = formobj.elements[ChampOblig[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + ChampDesc[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + ChampDesc[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + ChampDesc[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + ChampDesc[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}