/* SERVER CACHE */
function addLoadEvent(func)
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function')
	{
		window.onload = func;
	}
	else
	{
		window.onload = function()
		{
			oldonload();
			func();
		}
	}
}
function addClass(element,value)
{
	if (!element.className)
	{
		element.className = value;
	}
	else
	{
		newClassName = element.className;
		newClassName+= " ";
		newClassName+= value;
		element.className = newClassName;
	}
}
function GoToUrl(url)
{
	window.location.href = url;
}
function validateForm(whichform)
{
	for (var i=0; i<whichform.elements.length; i++)
	{
		var element = whichform.elements[i];
		if (element.name == 'search'){
			if (element.className.indexOf("text") != -1)
			{
				if (!isFilled(element))
				{
					alert("Gelieve een zoekterm op te geven.");
					element.focus();
					return false;
				}
	   		}
	   	} else if (element.name == 'username'){
			if (element.className.indexOf("text") != -1)
			{
				if (!isFilled(element))
				{
					alert("Gelieve een gebruikersnaam in te geven.");
					element.focus();
					return false;
				}
	   		}
	   	} else if (element.name == 'password'){
			if (element.className.indexOf("text") != -1)
			{
				if (!isFilled(element))
				{
					alert("Gelieve een wachtwoord in te geven.");
					element.focus();
					return false;
				}
	   		}
	   	}
	}
	return true;
}
function isFilled(field)
{
	if (field.value.length < 1)
	{
		return false;
	}
	else
	{
		return true;
	}
}
function prepareForms()
{
	for (var i=0; i<document.forms.length; i++)
	{
		var thisform = document.forms[i];
		thisform.onsubmit = function()
		{
		  return validateForm(this);
		}
	}
}
//addLoadEvent(prepareForms);
// check multi checkboxes based on the name passed in.
function CheckMultiple(name) 
{
	theFrm = document.frmSS;
	for (var i=0; i < theFrm.length; i++) 
	{
		fldObj = theFrm.elements[i];
		var fieldnamecheck=fldObj.name.indexOf(name);
		if (fieldnamecheck != -1) {
			if (fldObj.checked) {
				return true;
			}
		}
	}
	return false;
}
function CheckSS()
{
	theFrm = document.frmSS;
	hasDot = theFrm.Email.value.indexOf(".");
	hasAt = theFrm.Email.value.indexOf("@");
	if (hasDot == -1 || hasAt == -1)
	{
		alert("Please enter a valid email address.");
		theFrm.Email.focus();
		theFrm.Email.select();
		//return false;
	}
	//return true;
}
function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;
      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}
function validateContestForm(){
	//alert('here');
	//alert(document.forms.winform.contestmail.value);
	//return false;
	if(""==document.forms.winform.contestmail.value){
		alert("Gelieve je e-mail adres in te vullen.");
		document.forms.winform.contestmail.focus();
		return false;
	} else {
		var x = document.forms.winform.contestmail.value;
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (filter.test(x)){
		} else {
			alert('Gelieve een geldig e-mail adres in te vullen.');
			document.forms.winform.contestmail.focus();
			return false;
		}
	}
	if(""==document.forms.winform.contestname.value){
		alert("Gelieve je naam in te vullen.");
		document.forms.winform.contestname.focus();
		return false;
	}
	if(""==document.forms.winform.contestanswer.value){
		alert("Gelieve je antwoord in te vullen.");
		document.forms.winform.contestanswer.focus();
		return false;
	}
}