var url = 'http://some.site.com/dbactions.php?'+form2url('form_id',false);

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function form2url(wformid,encode_it){
  
  if (kform = document.getElementById(wformid)){
    var fkeys = new Array();
    var fvals = new Array();
    var str = "";
    var no,i;
    var inputFields = kform.getElementsByTagName("INPUT");
    for(no=0;no<inputFields.length;no++){
      if (inputFields[no].type.toLowerCase() == "checkbox"){
        if(inputFields[no].checked){
          fkeys[fkeys.length] = inputFields[no].name;
          fvals[fvals.length] = "on";
        }
      } else if (inputFields[no].type.toLowerCase() != "button" && inputFields[no].type.toLowerCase() != "submit"){
        fkeys[fkeys.length] = inputFields[no].name;
        fvals[fvals.length] = inputFields[no].value;
      }
    }
    var selectBoxes = kform.getElementsByTagName("SELECT");
    for(no=0;no<selectBoxes.length;no++){
      fkeys[fkeys.length] = selectBoxes[no].name;
      fvals[fvals.length] = selectBoxes[no].value;
    }
    var selectBoxes = kform.getElementsByTagName("TEXTAREA");
    for(no=0;no<selectBoxes.length;no++){
      fkeys[fkeys.length] = selectBoxes[no].name;
      fvals[fvals.length] = selectBoxes[no].value;
    }
 
    for(i=0;i<fkeys.length;i++){
      str += "&"+fkeys[i]+"="+(fvals[i]?escape((encode_it?encode64(fvals[i]):fvals[i])):"");
    }
 
    return str;
  }
}
 
 
// This code was written by Tyler Akins and has been placed in the
// public domain.  It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function encode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;
 
   do {
      chr1 = input.charCodeAt(i++);
      chr2 = input.charCodeAt(i++);
      chr3 = input.charCodeAt(i++);
 
      enc1 = chr1 >> 2;
      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
      enc4 = chr3 & 63;
 
      if (isNaN(chr2)) {
         enc3 = enc4 = 64;
      } else if (isNaN(chr3)) {
         enc4 = 64;
      }
 
      output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) +
         keyStr.charAt(enc3) + keyStr.charAt(enc4);
   } while (i < input.length);
 
   return output;
}
function decode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;
 
   // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
   input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 
   do {
      enc1 = keyStr.indexOf(input.charAt(i++));
      enc2 = keyStr.indexOf(input.charAt(i++));
      enc3 = keyStr.indexOf(input.charAt(i++));
      enc4 = keyStr.indexOf(input.charAt(i++));
 
      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;
 
      output = output + String.fromCharCode(chr1);
 
      if (enc3 != 64) {
         output = output + String.fromCharCode(chr2);
      }
      if (enc4 != 64) {
         output = output + String.fromCharCode(chr3);
      }
   } while (i < input.length);
 
   return output;
}