$(document).ready(function() {
	$("a[@href^='mailto']").each(rewriteEmailAddress);	
});

function rewriteEmailAddress()
{
	for (var i in rewriteEmailAddress.rules) {
		this.href = this.href.replace(rewriteEmailAddress.rules[i], i);
		$(this).html($(this).html().replace(rewriteEmailAddress.rules[i], i));
	}
}

rewriteEmailAddress.rules = {
	'' : /(\s|\%20|,)*nospam(\s|\%20)*/gi,
	'.' : /(\s|\%20|,)+dot(\s|\%20)*/gi,
	'@' : /(\s|\%20|,)+at(\s|\%20)*/gi
}