function validateSimpleForm() {
   if (document.forms.simple.query.value.length < 2) {
		display('simpleError');
		return false;
    }else{
		hide('simpleError');
    	return true;
    }
}
function validateAdvancedForm() {
   if ((document.forms.advanced.college.value.length == 0)&&(document.forms.advanced.facstaff.value.length == 0)&&(document.forms.advanced.fname.value.length < 2)&&(document.forms.advanced.lname.value.length < 2)) {
		display('advancedError');
		return false;
    }else{
		hide('advancedError');
    	return true;
    }
}
function validateDirectoryForm() {
   if (document.forms.directory.directory.value.length == 0) {
		display('directoryError');
		return false;
    }else{
		hide('directoryError');
    	return true;
    }
}
function validateLabelForm() {
   if (document.forms.labels.labelset.value.length == 0) {
	display('labelError');
	return false;
    }else{
		hide('labelError');
    	return true;
    }
}
function display(element) {
    document.getElementById(element).style.visibility = 'visible';
}
function hide(element) {
    document.getElementById(element).style.visibility = 'hidden';
}
function hideErrors() {
	hide('simpleError');
	hide('advancedError');
	hide('labelError');
	hide('directoryError');
}