public/javascripts/yui/datatable/datatable.js
function(el, oRecord, oColumn, oData) {
        if(lang.isString(oData)) {
            el.innerHTML = "<a href=\"mailto:" + oData + "\">" + oData + "</a>";
        }
        else {
            el.innerHTML = lang.isValue(oData) ? oData : "";
        }
    }
function(el, oRecord, oColumn, oData) {
        if(lang.isString(oData)) {
            el.innerHTML = "<a href=\"mailto:" + oData + "\">" + oData + "</a>";
        }
        else {
            el.innerHTML = lang.isValue(oData) ? oData : "";
        }
    }
function ( el , oRecord , oColumn , oData ) { if ( lang . isString ( oData ) ) { el . innerHTML = "<a href=\"mailto:" + oData + "\">" + oData + "</a>" ; } else { el . innerHTML = lang . isValue ( oData ) ? oData : "" ; } }
Formats emails.

@method DataTable.formatEmail
@param el {HTMLElement} The element to format with markup.
@param oRecord {YAHOO.widget.Record} Record instance.
@param oColumn {YAHOO.widget.Column} Column instance.
@param oData {Object} Data value for the cell, or null.
@static
Formats emails .