Demo : powered by RWS

Code to insert in your webpage :

function validField (str, msg) {
    	if (is_empty(str)) {
			alert(msg);
			return false;
    	}
    	return true;
	}
	
	function checkForm (f) {

var a = new Array();
		var b = new Array();

a[0] = "keywords"; b[0] = "keywords";
		a[1] = "dictionary"; b[1] = "dictionary";
		if ( document.forms.dictionary.dictionary.value=='en-ro' || document.forms.dictionary.dictionary.value=='ro-en') {
			a[2] = "type"; b[2] = "dictionary type";
		}

for (var i=0; i<a.length; i++) {
			if (!validField(eval('f.' + a[i] + '.value'), 'Please fill in *' + b[i] + '*')) {
				eval('f.' + a[i] + '.focus()');
				return false;
			}
		}

return true;
	}

//-->
</script>

<div align="center">
<form target="_blank" onsubmit="return checkForm (this)" name="dictionary" method="post" action="http://dictionary.4romania.com/dictionary_p,index_o,dosearch">
<input type="text" name="keywords" value="">
<br>
<select name="dictionary">
<option value="">-- choose --</option>
<option value="en-ro" >EN-RO</option>
<option value="ro-en" >RO-EN</option>
<option value="de-ro" >DE-RO</option>
<option value="ro-de" >RO-DE</option>
<option value="fr-ro" >FR-RO</option>
<option value="ro-fr" >RO-FR</option>
<option value="it-ro" >IT-RO</option>
<option value="ro-it" >RO-IT</option>
<option value="sp-ro" >SP-RO</option>
<option value="ro-sp" >RO-SP</option>
</select>
<br>
<select name="type">
<option value="">-- choose --</option>
<option value="1" >standard</option>
<option value="2" >argot</option>
<option value="3" >expressions</option>
<option value="4" >synonyms</option>
<option value="5" >technical</option>
<option value="6" >construction</option>
<option value="7" >economics</option>
<option value="8" >juridical</option>
<option value="9" >mecanical</option>
<option value="10" >forest</option>
<option value="11" >textile</option>
</select>
<br>
<input type="submit" name="Search" value="search">
</form>