function trim (vString) {
	vString = vString.replace(/^( )*/,"");
	vString = vString.replace(/( )*$/,"");
	return vString;
}

function validate_email (email) {
	   var reg = /^([A-Za-z0-9_\-\.\+])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   if(reg.test(email) == false || trim(email)=="") {
		  alert('Üngültige Email-Adresse!');
		  return false;
	   }
	   return true;
}

function validate_text (text, standard) {
	   if(trim(text)=="" || text==standard) {
		  alert('Keinen Suchtext eingegeben!');
		  return false;
	   }
	   return true;
}

function checkBoth()
{
	 if (validate_text(document.getElementsByName("film")[0].value,'Suche eingeben...') && validate_email(document.getElementsByName("email")[0].value))
	 	return true;
	 else
	 	return false;
}
	
function fb_window(film) 
{ 
  	window.open('http://www.facebook.com/sharer.php?u=http://filmalert.junkvibration.com/sf/' + film + '&t=' + film, 'fb_alert','width=600,height=330');
}

function setAmazon (Film)
{
	document.getElementById('amazon').innerHTML='<a href=\'http://www.amazon.de/s/?url=search-alias=dvd&tag=filmalert-21&field-keywords=' + escape(Film) + '\' target=\'_blank\'>Film <b>'+ Film +'</b> suchen bei<br> <img src=\'/images/amazon.jpg\' border=\'0\'></a>';
}

function setFilm(film) 
{ 
	filmform.film.value=film;
	document.getElementById('ausgabe').innerHTML='';
	setAmazon(film);
	suggest(film,2);
	filmform.email.focus();
}