if (window.Event)   
  document.captureEvents(Event.MOUSEUP);   
 function nocontextmenu()    
{  
 event.cancelBubble = true  
 event.returnValue = false;  
  return false;  
}  
 function norightclick(e)   
{  
 if (window.Event)   
 {  
  if (e.which == 2 || e.which == 3)  
   return false;  
 }  
 else  
  if (event.button == 2 || event.button == 3)  
  {  
   event.cancelBubble = true  
   event.returnValue = false;  
   return false;  
  }  
 }  
 document.oncontextmenu = nocontextmenu;   
document.onmousedown = norightclick;   

function disableselect(e){
return false
}
function reEnable(){
return true
}
document.onselectstart=new Function ("return false")
if (window.sidebar){
 if (navigator.appName == "Microsoft Internet Explorer") {
  document.onmousedown=disableselect
 }
document.onclick=reEnable
}


function addbookmark(){
var title=document.title
var url=window.location
if (window.sidebar) window.sidebar.addPanel(title, url,"");
else if( window.opera && window.print )
{
var mbm = document.createElement('a');
mbm.setAttribute('rel','sidebar');
mbm.setAttribute('href',url);
mbm.setAttribute('title',title);
mbm.click();
}
else if( document.all ) window.external.AddFavorite( url, title);
}


var initialsubj="Interessante website over Webdesign en PC probleem oplossing"
var initialmsg="Tip, \n Kijk eens op deze Webdesign site: "+window.location
var good;
function checkEmailAddress(field) {
var goodEmail = field.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\.info)|(\.sex)|(\.biz)|(\.aero)|(\.coop)|(\.museum)|(\.name)|(\.pro)|(\..{2,2}))$)\b/gi);
if (goodEmail) {
good = true;
}
else {
alert('Geef a.u.b. een correct email adres op');
field.focus();
good = false;
   }
}
u = window.location;
function mailThisUrl() {
good = false
checkEmailAddress(document.eMailer.email);
if (good) {
//window.location = "mailto:"+document.eMailer.email.value+"?subject="+initialsubj+"&body="+document.title+" "+u;
window.location = "mailto:"+document.eMailer.email.value+"?subject="+initialsubj+"&body="+initialmsg
   }
}