function validare_newsletter()
{



	var form ='newz';

	
	var f=document.forms[form];
	var searchs=trim(document.forms[form]['user_email'].value," ");
	if(searchs.length<3)
		{
			alert('Introduceti o adresa de email!');
			return false;
		}
		else
	{

			with (document.forms[form]['user_email'])
			{
				apos=value.indexOf("@");
				dotpos=value.lastIndexOf(".");
				if (apos<1||dotpos-apos<2) 
					{
						alert('Introduceti o adresa de email valida!');
			return false;
						
					}
				
			}


	
	
	}

			return true;

}
function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}