function f_decoder ( vEncodedPost, vLength )

	{
	var vCode = new Array ( 10 );
		vCode[0] = 1;
		vCode[1] = 5;
		vCode[2] = 2;
		vCode[3] = 7;
		vCode[4] = 1;
		vCode[5] = 8;
		vCode[6] = 3;
		vCode[7] = 12;
		vCode[8] = 9;
		vCode[9] = 2;


	var vSplitted = vEncodedPost.split ("O");
	var vDecodedString = "";

	var mail = "mailto:";

	var vIndex = 0;
	var vCodeIndex = 0;



	while ( vIndex < vLength )
	
		{

		if ( vCodeIndex == 10 )
			vCodeIndex = 0;
	
		vSplitted[vIndex] = vSplitted[vIndex] - vCode[vCodeIndex];
		vSplitted[vIndex] = String.fromCharCode(vSplitted[vIndex]);

		++ vIndex;
		++ vCodeIndex;
		}

	vDecodedString = vSplitted.join("");
	
	location.href = mail + vDecodedString;
	}