var keys = new Array(1);
var values = new Array(1);
keys[0]   = "temp";
values[0] = "";

function findkey(key)
{
 for (i=0; i<keys.length; i++)
  if(keys[i]==key)
    return i;

 return -1;
}


function addkey(key,val)
{
 var tempkeys = new Array(1)
 var tempvalues = new Array(1)
 var i = findkey(key);

 if(i>=0)
  {
   keys[i]=key;
   values[i]=val;
  }
 else
 {
   tempkeys[0] = key;
   tempvalues[0] = val;

   keys = keys.concat(tempkeys);
   values = values.concat(tempvalues);
 }
}

function getvalue(key)
{
 for (i=0; i<keys.length; i++)
 {
  if(keys[i]==key)
    return values[i];
 }
 return "";    
}

function setvalue(key,val)
{
 for (i=0; i<keys.length; i++)
 {
  if(keys[i]==key)
  {  
    values[i]=val;
    break;
  }
 }
}

function URLEncode( url )
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetci
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var plaintext = url;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" + ch + "' cannot be encoded using standard URL encoding.\n" +
				        "(URL encoding only supports 8-bit characters.)\n" +
						"A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

	return encoded;
};

function urldecode(data)
{
   // Replace + with ' '
   // Replace %xx with equivalent character
   var encoded = data;
   var plaintext = "";
   var i = 0;
   while (i < (encoded.length-2)) {
       var ch = encoded.charAt(i);
	   if (ch == "+") {
	       plaintext += " ";
		   i++;
	   } else if (ch == "%" && encoded.charAt(i+1) != "%") {
	       plaintext += unescape( encoded.substr(i,3) );
		   i += 3;
		} else {
		   plaintext += ch;
		   i++;
		}
	} // while
	if (i < encoded.length) {
	    plaintext += encoded.substr(i,encoded.length-i);
	}
   return unescape(plaintext);
};


function ParseURL(data)
{
var key = "";
var val = "";

var i = data.indexOf("=");

while (i>=0)
{
  key = data.substr(0,i);
  data = data.substr(i+1,data.length);

  i = data.indexOf("&");
  if(i>=0)
   {
     val = data.substr(0,i);
     data = data.substr(i+1,data.length);
   }
  else
   val = data;

  i = data.indexOf("=");

 val = urldecode(val);
 addkey(key,val);

 }//while

}