function viewImage(imagetype,imageweight,categoryid){
  w = window.open('gallerypreview.php?type='+imagetype+'&imageweight='+imageweight+'&filter='+categoryid,'','titlebar=0,toolbar=0,status=0,scrollbars=0,location=0,menubar=0');
  w.moveTo(0,0);
}
function PreviewImage(image,title){
  image = escape(image);
  title = escape(title);
  w = window.open('viewimage.php?image='+image+'&title='+title,'','titlebar=0,toolbar=0,status=0,scrollbars=0,location=0,menubar=0');
  w.moveTo(0,0);
}
function openCalFrom(form,field) {
  if(!form)
    form = 'reservation';
  if(!field)
    field = 'datefrom';
  window.open('jscalendar.php?yearOffsetFrom=20&yearOffsetTo=36&form='+form+'&field='+field,'','status=0,title=0,toolbar=0,menubar=0,width=260,height=290');
}
function openCalTo(form,field) {
  if(!form)
    form = 'reservation';
  if(!field)
    field = 'dateto';
  window.open('jscalendar.php?yearOffsetFrom=20&yearOffsetTo=36&form='+form+'&field='+field,'','status=0,title=0,toolbar=0,menubar=0,width=260,height=290');
}
function checkemail(form){
  r = new RegExp("^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+\.+[a-zA-Z]{2,5}$","i");
  v = form.email.value;
  if(r.test(v))
    return true;
  else{
    alert('');
    return false;
  }
}