function isEmpty(strVal){
	if(strVal == "" || strVal == null){
		return true;
	}else{
		return false;
	}
}

function limitLength(textbox, maxlength){
	var textEntry = textbox.value;

	if(textEntry.length > maxlength){
		textbox.value = textEntry.substring(0,maxlength);
	}
}

function selectField(formObject){
	formObject.select();
	formObject.focus();
}