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function addUser(username) {
var colorlist = document.getElementById('usernames');
// The user was already in the list
if (document.mainform.highlight_names.value.indexOf(username) >= 0) {
// Remove the username from the list
var myvalue = document.mainform.highlight_names.value;
myvalue = myvalue.replace(username, "");
myvalue = myvalue.replace(/;;/g,";");
myvalue = myvalue.replace(/^;/, "");
myvalue = myvalue.replace(/;$/, "");
document.mainform.highlight_names.value = myvalue;
// Unmark the lines of the user
for (var k = 0; k < document.styleSheets.length; k++) {
var rules = document.styleSheets[k].cssRules || document.styleSheets[k].rules;
for (var x = 0; x < rules.length; x++) {
if (rules[x].selectorText == ('span.user_' + username)) {
rules[x].style.color = '';
}
}
}
// Now drop the username from the colorlist
colorlist.removeChild(document.getElementById('user_' + username));
} else {
// Add the username to the list
if (document.mainform.highlight_names.value !== '') {
document.mainform.highlight_names.value += ';';
}
document.mainform.highlight_names.value += username;
// Mark all the lines of the newly selected user
var color = CryptoJS.SHA1(username).toString().substr(0, 6);
var styleSheet = document.styleSheets[0];
if (styleSheet.addRule) {
styleSheet.addRule('span.user_' + username , 'color: #' + color, 0);
} else if (styleSheet.insertRule) {
styleSheet.insertRule('span.user_' + username + ' { color: #' + color + '; }', 0);
} else {
document.mainform.submit();
}
// Now add the username to the colorlist
var listelement = document.createElement('li');
listelement.setAttribute('id', 'user_' + username);
var spanelement = document.createElement('span');
spanelement.setAttribute('class', 'checkbox user_' + username);
listelement.appendChild(spanelement);
spanelement.innerHTML = '<a href="javascript:addUser(\'' + username + '\');">' + username + '</a>';
colorlist.appendChild(listelement);
}
var semicolons = (document.mainform.highlight_names.value.match(/;/g) || []).length;
document.getElementById('users_label').innerHTML = 'Users ' + (document.mainform.highlight_names.value.length ? ' (' + (semicolons + 1) + ')' : '');
document.cookie = 'stored_users=' + escape(document.mainform.highlight_names.value) + '; path=/';
}
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