function verificarInfo(formobj){
    // Ingresar los campos obligatorios
    var fieldRequired = Array("txtName","txtEmail","txtDayPhone","txtAddress","txtCity","txtState","txtZip","txtNumCopies","slctStdORNumCopies");
    // Descripcion de campos
    var fieldDescription = Array("name","email","day phone","address","city","state","zip","number of copies","");
    return verificar(formobj, fieldRequired, fieldDescription);
}

function verificar(formobj,fieldRequired,fieldDescription){
    // Mensaje de alerta
    var alertMsg = 'Please correct the following:';
	var success = true;
	var comboboxNotSelected = 0;
	alertMsg += "<ul>";

    var l_Msg = alertMsg.length;

    for (var i = 0; i < fieldRequired.length; i++){
        var obj = formobj.elements[fieldRequired[i]];

        if (obj){
            switch(obj.type){
                case "select-one":
                    if (obj.selectedIndex == 0){
						alertMsg += "<li>You must select at least one guide.";
						success = false;
                    }
                    break;
                case "select-multiple":
                    if (obj.selectedIndex == -1 ){
                        alertMsg += "<li>" + fieldDescription[i] + "";
						success = false;
                    }
                    brea
                case "text":
                case "textarea":
                    if (obj.value == "" || obj.value == null){
                        alertMsg += " <li>Your " + fieldDescription[i] + " is  required.";
                        obj.focus();
						success = false;
                    }
                    break;
                default:
            }
            if (obj.type == undefined){
                var blnchecked = false;
                for (var j = 0; j < obj.length; j++){
                    if (obj[j].checked){
                        blnchecked = true;
                    }
                }
                if (!blnchecked){
                    alertMsg += "<li>You must select at least one guide.";
					success = false;
                }
            }
        }
    }
	
	alertMsg += "</ul>";
	
    if (!success){
        $("#errors").html(alertMsg);
    }
	
	return success;
}