function PostImage(myimagedata)
{
var xmlhttp = new ActiveXObject ("Microsoft.XMLHTTP");
//document.Write(XMLhttp.status)
XMLhttp.Open("POST", "http://192.168.30.42/getpostimage.ASP", false);
XMLhttp.setRequestHeader("enctype","multipart/form-data");
XMLhttp.setRequestHeader("Content-Length", 128);
XMLhttp.Send(myimagedata);
return XMLhttp.responseText;