function do_search()
{	
	var f=document.forms['search'];
	var t=document.getElementById('keyword');
	var val = t.value;
	val = encode(val, 'utf8');
	val = escape(val);
	
	var url=f.action+val+'/';
	
	window.location=url;
	return false;
}

function do_subscribe()
{		
	var f=document.forms['subscribe'];
	var e=document.getElementById('scribeemail');
	if(trim(e.value) == '')
		return;
	var url=f.action+e.value+'/';
	window.open(url , '', 'directories=no, height=180, width=350, left=200, top=200, location=no, menubar=no, resize=no, scrollbars=no, status=no, toolbar=no');
	return false;
}

function trim(inputString) {
   
   if (typeof inputString != "string") return inputString;
   var retValue = inputString;
   var ch = retValue.substring(0, 1);	
   while (ch == " ") { 
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length - 1, retValue.length);
	
   while (ch == " ") { 
      retValue = retValue.substring(0, retValue.length - 1);
      ch = retValue.substring(retValue.length - 1, retValue.length);
   }
	
	
   while (retValue.indexOf("  ") != -1) {
	  retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ") + 1, retValue.length);
   }
   return retValue; 
}

var unreserved = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_.~";
var reserved = "!*'();:@&=+$,/?%#[]";
var allowed = unreserved + reserved;
var hexchars = "0123456789ABCDEFabcdef";


function gethex(decimal) {
  return "%" + hexchars.charAt(decimal >> 4) + hexchars.charAt(decimal & 0xF);
  }

function encode(for_decode,charset) {

  var decoded = for_decode;
  var encoded = "";


  if (charset == "ascii") {

    var notascii = "";

    for (var i = 0; i < decoded.length; i++ ) {
      var ch = decoded.charAt(i);
      if (unreserved.indexOf(ch) != -1) {
        encoded = encoded + ch;
      } else {
        var charcode = decoded.charCodeAt(i);
        if (charcode < 128) {
          encoded = encoded + gethex(charcode);
        } else {
          encoded = encoded + ch;
          notascii = notascii + ch + " ";
        }
      }
    }
	return encoded;
    if (notascii != "") alert("Warning: Non-ASCII characters in decoded text!\n\nThus, these characters have not been encoded:\n" + notascii);
  }


  if (charset == "utf8") {
    for (var i = 0; i < decoded.length; i++ ) {
      var ch = decoded.charAt(i);
      if (unreserved.indexOf(ch) != -1) {
        encoded = encoded + ch;
      } else {

        var charcode = decoded.charCodeAt(i);

        if (charcode < 128) {
          encoded = encoded + gethex(charcode);
        }

        if (charcode > 127 && charcode < 2048) {
          encoded = encoded + gethex((charcode >> 6) | 0xC0);
          encoded = encoded + gethex((charcode & 0x3F) | 0x80);
        }

        if (charcode > 2047 && charcode < 65536) {
          encoded = encoded + gethex((charcode >> 12) | 0xE0);
          encoded = encoded + gethex(((charcode >> 6) & 0x3F) | 0x80);
          encoded = encoded + gethex((charcode & 0x3F) | 0x80);
        }

        if (charcode > 65535) {
          encoded = encoded + gethex((charcode >> 18) | 0xF0);
          encoded = encoded + gethex(((charcode >> 12) & 0x3F) | 0x80);
          encoded = encoded + gethex(((charcode >> 6) & 0x3F) | 0x80);
          encoded = encoded + gethex((charcode & 0x3F) | 0x80);
        }

      }

    }  // end of for ...
    return encoded;
  }
}