/**
 * Macromedia Dreamweaver functions
 */
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function popImageFixedSize(url,w,h,title) {
	window.open("/popup.php?url="+url,'grooote_feauteau','width='+w+',height='+h+',scrollbars=no,toolbar=no,location=no');
}

//AUTO RESIZE PHOTO POPUP

//really not important (the first two should be small for Opera's sake)
PositionX = 10;
PositionY = 10;
defaultWidth  = 500;
defaultHeight = 400;

//kinda important
var AutoClose = true;

//don't touch => Wel touch! MW:08-05-2006 quotes om imageURL gezet ivm namen met spaties
function popImage(imageURL,imageTitle){
  var imgWin = window.open('','_blank','scrollbars=no,resizable=1,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY);
  if( !imgWin ) { return true; } //popup blockers should not cause errors
  imgWin.document.write('<html><head><title>'+imageTitle+'<\/title><script type="text\/javascript">\n'+
    'function resizeWinTo() {\n'+
    'if( !document.images.length ) { document.images[0] = document.layers[0].images[0]; }'+
    'var oH = document.images[0].height, oW = document.images[0].width;\n'+
    'if( !oH || window.doneAlready ) { return; }\n'+ //in case images are disabled
    'window.doneAlready = true;\n'+ //for Safari and Opera
    'var x = window; x.resizeTo( oW + 200, oH + 200 );\n'+
    'var myW = 0, myH = 0, d = x.document.documentElement, b = x.document.body;\n'+
    'if( x.innerWidth ) { myW = x.innerWidth; myH = x.innerHeight; }\n'+
    'else if( d && d.clientWidth ) { myW = d.clientWidth; myH = d.clientHeight; }\n'+
    'else if( b && b.clientWidth ) { myW = b.clientWidth; myH = b.clientHeight; }\n'+
    'if( window.opera && !document.childNodes ) { myW += 16; }\n'+
    'x.resizeTo( oW = oW + ( ( oW + 200 ) - myW ), oH = oH + ( (oH + 200 ) - myH ) );\n'+
    'var scW = screen.availWidth ? screen.availWidth : screen.width;\n'+
    'var scH = screen.availHeight ? screen.availHeight : screen.height;\n'+
    'if( !window.opera ) { x.moveTo(Math.round((scW-oW)/2),Math.round((scH-oH)/2)); }\n'+
    '}\n'+
    '<\/script>'+
    '<\/head><body onload="resizeWinTo();"'+(AutoClose?' onblur="self.close();"':'')+'>'+
    (document.layers?('<layer left="0" top="0">'):('<div style="position:absolute;left:0px;top:0px;display:table;">'))+
    '<img src="'+imageURL+'" alt="Loading image ..." title="" onload="resizeWinTo();">'+
    (document.layers?'<\/layer>':'<\/div>')+'<\/body><\/html>');
  imgWin.document.close();
  if( imgWin.focus ) { imgWin.focus(); }
  return false;
}



//--------------------------------------
// Formbuilder validators
//--------------------------------------
function submitForm(formname)
{
  var f=document.forms[formname];
 	if (validateForm(f))
  {
    f.submit();
  }  
}

//Retrieves the selected values for aradioName, -1 if none selected
function getSelectedRadio(aradioName)
{
	var chkArray = MM_findObj(aradioName);
	
	//exception for a single radiobutton
	if ((chkArray.value != null) && (chkArray.checked))
	{
		return chkArray.value;
	}
	
	for (i=0;i<chkArray.length;i++)
	{
		if (chkArray[i].checked)
		{
			return chkArray[i].value;
		}
	}

	return -1;
}

//Pass a form element (not just the name) and a regular expression pattern
function validateField(formElem,pattern) 
{
  var re = new RegExp(pattern);
  var fv = formElem.value;

  return re.test(fv);
}

//Pass a value and a regular expression pattern
function validateValue(fv,pattern) 
{
  var re = new RegExp(pattern);

  return re.test(fv);
}

function getPatternByName(patternName)
{
  switch (patternName) {
    case "empty_or_email":
      return "^$|^[0-9a-zA-Z][-_0-9a-zA-Z.]*@[-_0-9a-zA-Z.]+[.][a-zA-Z]+$";
      break;
  	case "empty_or_url":
      return "^$|^http://.{2,}";
      break;
  	case "notempty":
      return "^.";
      break;
    case "email":
      return "^[0-9a-zA-Z][-_0-9a-zA-Z.]*@[-_0-9a-zA-Z.]+[.][a-zA-Z]+$";
      break;
  	case "pagename":
      return "^[_a-z0-9]{1,50}$";
      break;
  	case "username":
      return "^[_a-z0-9]{1,50}$";
      break;
  	case "pass":
      return "^[a-zA-Z0-9 ]{3,20}$";
      break;
   	//dd-mm-yyyy
   	case "nldate":
      return "^[0-3]?[0-9][-][01]?[0-9][-][12][0-9]{3}$";
      break;
   	//yyyy-mm-dd
   	case "date":
      return "^[12][0-9]{3}[-][01]?[0-9]-[0-3]?[0-9]$";
      break;
  	case "integer":
      return "^[-]?[0-9]+$";
      break;
  	case "posinteger":
      return "^[0-9]+$";
      break;
  	case "float":
      return "^[+-]?[0-9]+([.][0-9]+)?$";
      break;
  	case "nlfloat":
      return "^[+-]?[0-9]+([,][0-9]+)?$";
      break;    	
		case "url":
      return "^http://.{2,}";
      break;    	
  	default: 
   		alert("Unknown validator added to a form element: '" + patternName+"'");
	} 	   
}
	
function validateForm(aform)
{
	var s="";

	//check if form has validator arr
	if (aform.validatorArr)	{
		//Iterate over Form elements
		for (var i=0;i<aform.validatorArr.length;i++) {
			eval("var anelem=document.forms."+aform.name+"."+aform.validatorArr[i][1]);
			var pattern=getPatternByName(aform.validatorArr[i][2]);
			
			if (aform.validatorArr[i][4]=="radio") {
				var fv="";

				eval("var chkArray=aform."+aform.validatorArr[i][1]+";");
				
				for (j=0;j<chkArray.length;j++) {
					if (chkArray[j].checked) {
						fv=chkArray[j].value;
					}
				}

				if (validateValue(fv,pattern) == false)	{
					s+=aform.validatorArr[i][3]+"\n";
				}	
				
			}
			else {	
				if (validateField(anelem,pattern) == false) {
					s+=aform.validatorArr[i][3]+"\n";
				}	
			}	
		}	
		
		//Report errors
		if (s!="") {
			alert(s);
			return false;
		}	

	}	
	
	return true;
}
	
//addValidator("mainform","naam","notempty","Uw naam mag niet leeg zijn.");
function addValidator(aformname,aformelement,avalidator,anerrormsg)
{
	eval("var anelem=document.forms."+aformname+"."+aformelement);

	//Radiogroup or a single element
	if (anelem[0]) {
		atype=anelem[0].type;
	}
	else {
		atype=anelem.type;
	}	
	
	//check if validatorArr has been added to the form
	if (!document.forms[aformname].validatorArr) {
		document.forms[aformname].validatorArr= new Array();	
	}	
	
	//add new array to a new last position in the array
	document.forms[aformname].validatorArr[document.forms[aformname].validatorArr.length]=
		new Array(aformname,aformelement,avalidator,anerrormsg,atype);
}

function initForm(formname,formvalues)
{
	//parse the formdata field
	var formentries=String(formvalues).split("&");

	for (var i=0;i<formentries.length;i++)
	{
		var formentry=String(formentries[i]).split("=");
		
		if ((formentry[0]!=null)&&(formentry[0]!=""))
		{
			eval("var comp=document."+formname+"."+formentry[0]);
			if ((comp!=null)&&(formentry[1]!=null))
			{
				if ((comp.type=="text")||(comp.type=="textarea"))
				{
					comp.value=unescape(formentry[1]);
				}
				else if (comp.type=="checkbox")
				{
					if (comp.value==formentry[1])
					{
						comp.checked=true;	
					}	
				}
				else if (comp[0].type=="radio")
				{
					initRadio(formname,formentry[0],formentry[1]);
				}
				else if (comp.type=="select-one")
				{
					initSelect(formname,formentry[0],formentry[1]);
				}	
			}
		}	
	}
}

function initSelect(formname,obj,v) {
	eval("var rd=document.forms['"+formname+"']."+obj);
	if (rd==null)	{
		alert("Error: " + obj + " does not exist on form "+formname+".");
	}
	if (rd.length>1) {
		for (var i=0; i<rd.length; i++)	{
			if (rd[i].value==v)	{
				rd[i].selected=true;		
				break;
			}
		}
	}
	else {
		//exception for single item
		if (rd.value==v) {
			rd.selected=true;		
		}
	}
}

function initRadio(formname,obj,v)
{
	eval("var rd=document.forms['"+formname+"']."+obj);

	if (rd==null)
	{
		alert("Error: " + obj + " does not exist on form "+formname+".");
	}
	
	if (rd.length>1)
	{
		for (var i=0; i<rd.length; i++)
		{
			if (rd[i].value==v)
			{
				rd[i].checked=true;
				break;
			}
		}
	}
	else
	{
		//exception for single radiobutton
		if (rd.value==v)
		{
			rd.checked=true;		
		}
	}	
}

function initSelect(formname,obj,v)
{
	eval("var rd=document.forms['"+formname+"']."+obj);
	if (rd==null)
	{
		alert("Error: " + obj + " does not exist on form "+formname+".");
	}
	if (rd.length>1)
	{
		for (var i=0; i<rd.length; i++)
		{
			if (rd[i].value==v)
			{
				rd[i].selected=true;		
				break;
			}
		}
	}
	else
	{
		//exception for single radiobutton
		if (rd.value==v)
		{
			rd.selected=true;		
		}
	}
}

function unsetRadio(aradioName)
{
  f=document.forms[0];
  r=f[aradioName];
  //r=MM_findObj(aradioName);
  if (!r.value)
  {
		for (i=0;i<r.length;i++)
    {		
		  r[i].checked=false;
		}  
  }
}

//Retrieves the selected values for aradioName, -1 if none selected
function getSelectedRadio(aradioName)
{
	var chkArray = MM_findObj(aradioName);
	
	//exception for a single radiobutton
	if ((chkArray.value != null) && (chkArray.checked))
	{
		return chkArray.value;
	}
	
	for (i=0;i<chkArray.length;i++)
	{
		if (chkArray[i].checked)
		{
			return chkArray[i].value;
		}
	}

	return -1;
}

