function iniWordsAdv(frm, ctl) { 
	var wordfields = Array("f_words_match_all", "f_words_phrase", "f_words_at_least_one"); 
	for (i = 0; i < wordfields.length; i++) {
		if (wordfields[i] != ctl.name) { 
			eval("frm."+ wordfields[i] +".value = '';"); 
		} 
	} 
	return false; 
} 

function showHideDiv(div, show) { 
	var doc = document; 
	if (doc.getElementById) { 
		doc.getElementById(div).style.display = (show ? 'block' : 'none');
	} else {
		if (document.layers) { // Netscape 4
			eval("doc."+ div +".display = '"+ (show ? 'block' : 'none') +"';");
		} else { // IE 4
			eval("doc.all."+ div +".style.display = '"+ (show ? 'block' : 'none') +"';");
		}
	}
}