function redirect_compare(url) {
	var select = document.getElementById('add-compare-select');
	var slug = select.options[select.selectedIndex].value;
	window.location = url + '/' + slug;
}

function reset_compare(url) {
	window.location = url;
}

function changeAction() {
	var select_box_1 = document.getElementById("eqw-sg-make-model-select-compare-one");
	var select_box_2 = document.getElementById("eqw-sg-make-model-select-compare-two");
	var title_1 = select_box_1.options[select_box_1.selectedIndex].title;
	var title_2 = select_box_2.options[select_box_2.selectedIndex].title;
	if (title_2 == ""){
		var selected_slugs = title_1;
	} else {
		var selected_slugs = title_1 + "/" + title_2;
	}
	document.compareform.action = "/compare/" + selected_slugs;
}