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//<nowiki>
function welcome() {

    // Find the edit box
    var txt = document.editform.wpTextbox1;

    //The welcome template you are wanting to use
    var welcome_msg = 'welcome|cookies=true|heading=true|headtext=Hello from <a class="autolink" href="/wiki/User:Bob">[[User:Obsidian Mask|Obsidian Mask]]</a>'

    // The tag to be included is an welcome message
    var tag = '<a class="autolink" href="/wiki/Template:'+'subst'+':'+ welcome_msg +'">{{'+'subst'+':'+ welcome_msg +'}}</a>';

    // If the edit box doesn't already have this tag...
    if (txt.value.indexOf(tag) == -1) {

        // Append the tag
        txt.value += tag;
        
        // Add an edit summary
        document.editform.wpSummary.value = 'Welcome to Wikipedia!';    

        // Press the Save page button
        document.editform.submit();
    } 

    // If the tag was already there, turn the tab background red to indicate 
    // that the script is functioning properly, but that there is no action 
    // to do.  This doesn't interrupt the user's work like an alert() would.
    else {
        document.getElementById('ca-unverified').firstChild.style.backgroundColor = "#ff4444";
        document.getElementById('ca-unverified').style.backgroundColor = "#ff4444";
    }
}

// Create a tab that calls this function when pressed
addOnloadHook(function () {
    if(document.title.indexOf("Editing User talk:") == 0) {
        mw.util.addPortletLink('p-cactions', 'javascript:welcome()', 'welcome', 'ca-welcome', 'Adds a welcome note to a new user', '', '');
    }
});

/* This is to keep track of who is using this extension: <a class="autolink" href="/wiki/User:Nmajdan/welcome_newuser.js">[[User:Nmajdan/welcome_newuser.js]]</a> */
//</nowiki>