// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

function validate_required(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
			if(!alerttxt.blank())
    	alert(alerttxt);
		return false;
    }
  else
    {
    return true;
    }
  }
}

function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return false;
}