// Clear form -----------------------------------------------------------------------------------------------------------------------------------
// Usage: <input id="search" name="search" type="text" value="Type uw zoekterm" onfocus="checkEntry(this,'Type uw zoekterm');"/>
function checkEntry(o,dTxt,focusClass){
	if (!o.defTxt){
		o.defTxt = dTxt;
		o.defClass = o.className;
		o.onblur = function (){
			trimField(this);
			with (this){
				if (value == '' || value == defTxt){
					value = defTxt;
					className = defClass;
				}
			}
		}
	}
	if (o.value == o.defTxt){
		o.value = '';
		if (focusClass){ o.className = focusClass; }
	}
}
// trims field
function trimField (o){
	var v = o.value.replace(/^ +| +$/g,'');
	o.value = v;
}

// Lazy mouse-overs (by MDI) -----------------------------------------------------------------------------------------------------------------------------------
// Usage: <body id="bodyHome" onload="createMouseOvers();"> | name images "name_over" and "name_out"
function createMouseOvers(){
	var p = 0, d = document.images;
	prelImgs = new Array();
	for (var i = 0; i < d.length; i++){
		var o = d[i];
		if (o.src.indexOf('_out') != -1){
			var s = o.src, l = s.length, e = s.substring(l-4,l);
			o.outSrc = s;
			o.overSrc = s.substring(0,l-8)+'_over'+e;
			o.onmouseover = function(){this.src = this.overSrc;}
			o.onmouseout = function(){this.src = this.outSrc;}
			prelImgs[p] = new Image();
			prelImgs[p].src = o.overSrc;
			p++;
		}
	}
}

// Validate form  -----------------------------------------------------------------------------------------------------------------------------------
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' (is geen geldig e-mail adres)\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' (is geen geldig getal)\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' (is geen nummer tussen '+min+' en '+max+')\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' (is niet ingevuld)\n'; }
  } if (errors) alert('Corrigeer de volgende velden aub:\n'+errors);
  document.MM_returnValue = (errors == '');
}


// Fold out menu vertical ---------------------------------------------------------------------------------------------------------------------------
startList = function() {

if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}
//window.onload=startList;