function newsblockcheck() {
	if (document.forms['newsblock'].email.value.indexOf('@') != -1) {
		document.forms['newsblock'].submit();
	} else {
		document.forms['newsblock'].email.value = "";
		document.forms['newsblock'].email.focus();
		document.forms['newsblock'].email.value = "Uw email adres";
		return false;
	}
}
function newsblockclear() {
	if (document.forms['newsblock'].email.value == "Uw email adres") {
		document.forms['newsblock'].email.value = "";
	}
}
if (window.top == window.self) {
	// window.location.href = 'http://www.src-reizenopmaat.nl/';
}
function domlay(id,trigger,lax,lay,content) {
/*
 * Cross browser Layer visibility / Placement Routine
 * Done by Chris Heilmann (mail@ichwill.net)
 * Feel free to use with these lines included!
 * Created with help from Scott Andrews.
 * The marked part of the content change routine is taken
 * from a script by Reyn posted in the DHTML
 * Forum at Website Attraction and changed to work with
 * any layername. Cheers to that!
 * Welcome DOM-1, about time you got included... :)
 */
// Layer visible
if (trigger=="1"){
	if (document.layers) document.layers[''+id+''].visibility = "show"
	else if (document.all) document.all[''+id+''].style.visibility = "visible"
	else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "visible"				
	}
// Layer hidden
else if (trigger=="0"){
	if (document.layers) document.layers[''+id+''].visibility = "hide"
	else if (document.all) document.all[''+id+''].style.visibility = "hidden"
	else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "hidden"				
	}
// Set horizontal position	
if (lax){
	if (document.layers){document.layers[''+id+''].left = lax}
	else if (document.all){document.all[''+id+''].style.left=lax}
	else if (document.getElementById){document.getElementById(''+id+'').style.left=lax+"px"}
	}
// Set vertical position
if (lay){
	if (document.layers){document.layers[''+id+''].top = lay}
	else if (document.all){document.all[''+id+''].style.top=lay}
	else if (document.getElementById){document.getElementById(''+id+'').style.top=lay+"px"}
	}
// change content

if (content){
if (document.layers){
	sprite=document.layers[''+id+''].document;
	// add father layers if needed! document.layers[''+father+'']...
  	sprite.open();
  	sprite.write(content);
  	sprite.close();
	}
else if (document.all) document.all[''+id+''].innerHTML = content;	
else if (document.getElementById){
	//Thanx Reyn!
	rng = document.createRange();
	el = document.getElementById(''+id+'');
	rng.setStartBefore(el);
	htmlFrag = rng.createContextualFragment(content)
	while(el.hasChildNodes()) el.removeChild(el.lastChild);
	el.appendChild(htmlFrag);
	// end of Reyn ;)
	}
}
}
function showLink(id)  {
 document.getElementById(id).style.display = "block";
}
function hideLink(id)  {
 document.getElementById(id).style.display = "none";
}