function validateForm(formname) {
	var formID = document.getElementById(formname);
	var allTags = formID.getElementsByTagName("*");
    for (var i=0; i < allTags.length; i++){
        if(allTags[i].className == "required"){
            if((allTags[i].selectedIndex <= 0) || (allTags[i].value == "")){ 
                    alert(allTags[i].name + " is a required field");
                    return false;
			}
		}
	}
    return true;
}