function maxlength(){
	if (document.feedback)
	{
		var message=document.feedback.message.value;
		var maxLenght=1000;//Максимальное количество символов в сообщении
		if (message.length>maxLenght) document.feedback.message.value=message.substring(0,maxLenght);
		verifyForm(document.feedback);
	}
}
setInterval("maxlength()",25);
function verifyForm(form){
	if(form.email.value=="" ||
	(!/^[a-z0-9\._-]+@[a-z0-9\._-]+\.[a-z]{2,4}$/i.test(form.email.value)))
	{
		form.email.style.color='red';
	}else
	{
		form.email.style.color='green';
	}
	
	if(form.name.value=="" || form.email.value=="" ||
	(!/^[a-z0-9\._-]+@[a-z0-9\._-]+\.[a-z]{2,4}$/i.test(form.email.value))
	|| form.message.value=="")
	{
	form.submit.disabled=true;
	}else
	{form.submit.disabled=false;
	}
	
}