function gofilter(){

	if (document.mainfilter.select_zip.value =='[ --- Enter City or Zip code --- ]'){

		document.mainfilter.select_zip.value = '';

	}

	var selected_index_cat = document.mainfilter.elements["cat_id"].selectedIndex;

	if(selected_index_cat) {

		document.mainfilter.submit();

	} else {

		alert('You will need to specify a practice area to access the search results.');

	}



var azimg=new Image();
var ctimg=new Image();
azimg.src="http://www.missourilawyers.com/images/navbg_02_.jpg";
ctimg.src="http://www.missourilawyers.com/images/navbg_03_.jpg";

}