function newvids()
 {
    var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var string_length = 4;
	var randomstring = '';
	for (var i=0; i<string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	 var ui = randomstring;

 xmlhttpnewvids.open("POST","active_newvids.html?ui="+ui);
 xmlhttpnewvids.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
 xmlhttpnewvids.setRequestHeader("Connection", "close");
 xmlhttpnewvids.send(parameters_newvids);
  xmlhttpnewvids.onreadystatechange=function() {
  if (xmlhttpnewvids.readyState==4) {
 if (xmlhttpnewvids.responseText)
  { 
 document.getElementById("newvids").innerHTML=xmlhttpnewvids.responseText;
  }
 } 	
}

}
newvids();