function validateForm() {
	var selts = document.getElementsByTagName("select");
    for (var i=0; i < selts.length; i++){
        if(selts[i].className = "required"){
            if(selts[i].selectedIndex < 1)
                { 
                    alert(selts[i].name + " is a required field");
                    return false;
                }
            }
        }
    return true;
}