function selectContent(targetID) {
 var temp = document.getElementById(targetID);
 temp.focus()
 temp.select()
}

function validateForm()
{
	var error_fields = new Array();

	var name = document.getElementById('author');
	var comment = document.getElementById('comment');

	if(name.value == "")
	{
		error_fields[error_fields.length] = "Name";
	}

	if(comment.value == "")
	{
		error_fields[error_fields.length] = "Kommentar";
	}

	if(error_fields.length != 0)
	{
		var error_content = "Bitte geben Sie fuer folgende Felder gueltige Werte ein:\n";
		error_content += error_fields.join("\n");
		alert(error_content);
		return false;
	}
}

window.onload  = function()
{
	var form_elem = document.getElementById('comment_form');
	if(form_elem != null)
	{
		form_elem.onsubmit = validateForm;
	}
}