function fieldComment(field,defText){
	if (field.value==''){
		field.value = defText;
	}
	if (field.value==defText){
		field.value = '';
	}
}
var buffer = {};
function hideDefault(obj,defWord){
	if (buffer[obj.name]==undefined && defWord==obj.value){
		obj.value = '';
		buffer[obj.name] = true;
	}
}
function ask2go(url,msg){
	if (!confirm(msg)) return;
	window.location = url;
}
function formSubmitEvent(form,event){
	if (event !=undefined && event.keyCode==13) form.submit();
	else if (event == undefined && form) form.submit();
}