function submitFilterForm(){
	var getParameter = "?static_leaf=true&q="+$('filter_q').value;
	
	if($('static_filter_group1').value.length > 0){
		getParameter += "&static_filter_group1=*"+$('static_filter_group1').value+"*";
	}
	if($('static_filter_group2').value.length > 0){
		getParameter += "&static_filter_group2=*"+$('static_filter_group2').value+"*";
	}
	if($('static_filter_group3').value.length > 0){
		getParameter += "&static_filter_group3=*"+$('static_filter_group3').value+"*";
	}
	if($('static_filter_group4').value.length > 0){
		getParameter += "&static_filter_group4=*"+$('static_filter_group4').value+"*";
	}	
	if($('static_filter_group1').value.length > 0 || $('static_filter_group2').value.length > 0 || $('static_filter_group3').value.length > 0 || $('static_filter_group4').value.length > 0){
		new Ajax.Updater('filterResults',$('filter_searchPath').value+getParameter, {
			method: 'get'
		});
	}
}
Event.observe(window,'load',function() {
	var filterList = $$('#filter select');
	filterList.each(function(item) {
		Event.observe(item,'change',function() {
			submitFilterForm();
		});
	});
});