function onClickCerca(id) {
    var v = document.getElementById(id).value;

    if(v == "Parola cercata" || v == "Search word" || v == "Mot recherché") {
        document.getElementById(id).value = "";
        document.getElementById(id).style.color = "black";
    }
 
    var key = document.getElementById(id);
    var e;
    var keypress;
    
    key.onkeypress = function(e){
        e=window.event || e;
        keypress=e.charCode || e.keyCode;
        //alert(keypress);
        if (keypress == 13) {
            e.returnValue=false;
            e.cancel = true;
            document.getElementById("boxDx_btnCerca").click();
        }
    }   
}

/*$(document).ready(function(){

$("form input").live('keypress', function (e) {
    if ($(this).parents('form').find('button[type=submit].btnCerca').length <= 0) {
        return true;
        alert("1");
    }
        
    if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13)) {
        $(this).parents('form').find('button[type=submit].btnCerca').click();
        return false;
        alert("2");
    } 
    else {
        return true;
        alert("3");
    }
    });    
});*/