function filter_movies(){
	var Element = document.getElementById('filter_category'); 
	var selectedIndex = Element.selectedIndex;
	var Category = Element.options[selectedIndex].value;
	
	var Element = document.getElementById('filter_site'); 
	var selectedIndex = Element.selectedIndex;
	var Site = Element.options[selectedIndex].value;
	
	var Element = document.getElementById('filter_duration'); 
	var selectedIndex = Element.selectedIndex;
	var Duration = Element.options[selectedIndex].value;
	
	window.location = '/free-movies/filter-cat-'+ Category +'-site-'+ Site +'-dur-'+ Duration +'/1/';		
}