// set as homepage
function ashomepage() {
    var url = "http://www.sababa.nl";
    
    document.body.style.behavior='url(#default#homepage)';
    document.body.setHomePage(url);
}

//bookmark site
function bookmark(anchor){
   if(window.external)
   {
       window.external.AddFavorite(anchor.getAttribute('href'), anchor.getAttribute('title'));
       return false;
   }
   return true;
}

function bookmarksite(title, url){
	if (document.all)
	window.external.AddFavorite(url, title);
	else if (window.sidebar)
	window.sidebar.addPanel(title, url, "")
}

//Newsletter
function checkNEmail(form) {
	if (isBlank(form.email.value) || isBlank(form.name.value) || !isEmailValid(form.email.value) ) 
	{
		alert("Please enter a valid Name and  Email Address .\nThe email or name you have typed in does not appear to be valid.");
		form.email.focus();
		return false;
	}
	}

function checkEmail(form) {
	if (isBlank(form.email.value) || !isEmailValid(form.email.value) ) {
		alert("Please enter a valid Email Address.\nThe email you have typed in does not appear to be valid.");
		form.email.focus();
		return false;
	}
return true;

}

function isBlank(fieldValue) {
	var blankSpaces = / /g;
	fieldValue = fieldValue.replace(blankSpaces, "");
	return (fieldValue == "") ? true : false;
}

function isEmailValid(fieldValue) {
	var emailFilter = /^.+@.+\..{2,4}$/;
	var atSignFound = 0;
	for (var i = 0; i <= fieldValue.length; i++)
		if ( fieldValue.charAt(i) == "@" )
			atSignFound++;
	if ( atSignFound > 1 )
		return false;
	else
		return ( emailFilter.test(fieldValue) && !doesEmailHaveInvalidChar(fieldValue) ) ? true : false;
}

function doesEmailHaveInvalidChar(fieldValue) {
	var illegalChars = /[\(\)\<\>\,\;\:\\\/\"\[\] ]/;
	return ( illegalChars.test(fieldValue) ) ? true : false;
}


// popup
function winopen(theURL, Name, popW, popH, scroll) {
var winleft = (screen.width - popW) / 2;
var winUp = (screen.height - popH) / 2;
winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable' 
Win = window.open(theURL, Name, winProp)
if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); }
}
// load url
function LoadURL(url) {
  location.href= url;
}