/*** DOM Image rollover [ http://chrispoole.com ][ http://www.dynamicdrive.com ] ***/
function init() {
 if (!document.getElementById) return
 var imgOriginSrc;
 var imgTemp = new Array();
 var imgarr = document.getElementsByTagName('img');
 for (var i = 0; i < imgarr.length; i++) {
  if (imgarr[i].getAttribute('hsrc')) {
   imgTemp[i] = new Image();
   imgTemp[i].src = imgarr[i].getAttribute('hsrc');
   imgarr[i].onmouseover = function() {
    imgOriginSrc = this.getAttribute('src');
    this.setAttribute('src',this.getAttribute('hsrc'))
   }
   imgarr[i].onmouseout = function() {
    this.setAttribute('src',imgOriginSrc)
   }
  }
 }
}
onload=init;

/*** Required field(s) validation v1.10- http://navsurf.com ***/
function formCheck(formobj){
 var fieldRequired = Array("naam","email","toeli");
 var fieldDescription = Array("Naam", "E-mail", "Toelichting");
 var alertMsg = "Gelieve de volgende velden nog in te vullen:\n";
 var l_Msg = alertMsg.length;
 for (var i = 0; i < fieldRequired.length; i++){
  var obj = formobj.elements[fieldRequired[i]];
  if (obj){
	switch(obj.type){
//	case "select-one":
//	 if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
//	  alertMsg += " - " + fieldDescription[i] + "\n";
//	 }
//	 break;
//	case "select-multiple":
//	 if (obj.selectedIndex == -1){
//	  alertMsg += " - " + fieldDescription[i] + "\n";
//	 }
//	 break;
	case "text":
	case "textarea":
	 if (obj.value == "" || obj.value == null){
	  alertMsg += " - " + fieldDescription[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 += " - " + fieldDescription[i] + "\n";
	 }
	}
  }
 }
 if (alertMsg.length == l_Msg){
  return true;
 }else{
  alert(alertMsg);
  return false;
 }
}

function externalLinks() { 
 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") == "ext") 
     anchor.target = "_blank"; 
 } 
} 
window.onload = externalLinks;