//Spamrobot cheater v. 1.0 by Frederik Sunne 22 November 2003 // frederiksunne@gmail.com
function decAdr (ad) {
	var Len = ad.length;
	var i = ad.indexOf("!");
	if (i>-1) 	{
		var first  = ad.substring(0,i);
		var second = ad.substring(i+1, Len);
		var ad = first + '@' + second;
	}

   	var output = '';
	for (i = 0; i < Len; i++) {
		if (i%2 == 1) {
			output += ad.substring (i, i-1);
		}
		else {
			output += ad.substring (i+1, i+2);
		}
		
		if (i == Len-1 && i%2 != 1) {
		 	output += ad.substring (i, i+1);   
		}
	
	}   
	return output;
}