/* Javascript/ECMAscript Functions for SiT (previously known as Webtrack) by Ivan Lucas */
/* Since v3.30 this requires prototype.js */

var popwin;

function incident_details_window(incidentid,win)
{
// URL = "incident.php?popup=yes&id=" + incidentid;
   URL = "incident_details.php?id=" + incidentid + "&win=" + win;
   if(popwin) { popwin.close(); }
   popwin = window.open(URL, "sit_popup", "toolbar=yes,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=600");
}


function wt_winpopup(url,mini)
{
  if (mini=='mini')
    window.open(url, "sit_minipopup", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=700,height=600");
  else
    window.open(url, "sit_popup", "toolbar=yes,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=600");
}

// Yes/No dialog
function confirm_action(msg)
{
   return window.confirm(msg);
}



function message_window(userid)
{
   URL = "messages.php?userid=" + userid;
   window.open(URL, "message_window", "toolbar=yes,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=700,height=600");
}


function help_window(helpid)
{
   URL = "/help.php?id=" + helpid;
   window.open(URL, "help_window", "toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=500,height=500");
}

function appointment(id)
{

    if ($(id).style.visibility=='visible')
    {
        $(id).style.visibility='hidden';
        $(id).style.display='none';
    }
    else
    {
        var parent = $(id).ancestors();
        parent[0].makePositioned();
        $(id).style.visibility='visible';
        $(id).style.display='block';
    }
}


function byId(id){
    return document.getElementById(id);
}


// www.sean.co.uk
function pausecomp(millis)
{
    var date = new Date();
    var curDate = null;

    do { curDate = new Date(); }
    while(curDate-date < millis);
}

function get_and_display(page, component){
    pausecomp(25);

    var xmlhttp=false;
    /*@cc_on @*/
    /*@if (@_jscript_version >= 5)
    // JScript gives us Conditional compilation, we can cope with old IE versions.
    // and security blocked creation of the objects.
    try {
    xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
    try {
    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (E) {
    xmlhttp = false;
    }
    }
    @end @*/
    if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
        try {
            xmlhttp = new XMLHttpRequest();
        } catch (e) {
            xmlhttp=false;
        }
    }
    if (!xmlhttp && window.createRequest) {
        try {
            xmlhttp = window.createRequest();
        } catch (e) {
            xmlhttp=false;
        }
    }

    xmlhttp.open("GET", page, true);

    var rsswindow = byId(component);

    xmlhttp.onreadystatechange=function() {
        //remove this in the future after testing
        if (xmlhttp.readyState==4) {
            if(xmlhttp.responseText != ""){
                //alert(xmlhttp.responseText);
                rsswindow.innerHTML = xmlhttp.responseText;
            }
        }
    }
    xmlhttp.send(null);
}

function toggleDiv(obj) {
    var el = document.getElementById(obj);
    if ( el.style.display != 'none' ) {
        el.style.display = 'none';
    }
    else {
        el.style.display = '';
    }
}


// This Javascript code placed in the public domain at http://www.irt.org/script/1265.htm
// "Code examples on irt.org can be freely copied and used."
function deleteOption(object,index) {
        object.options[index] = null;
    }


function addOption(object,text,value) {
    var defaultSelected = true;
    var selected = true;
    var optionName = new Option(text, value, defaultSelected, selected)
    object.options[object.length] = optionName;
}

function copySelected(fromObject,toObject) {
    for (var i=0, l=fromObject.options.length;i < l;i++)
    {
        if (fromObject.options[i].selected)
            addOption(toObject,fromObject.options[i].text,fromObject.options[i].value);
    }
    for (var i=fromObject.options.length-1;i >-1;i-- ) {
        if (fromObject.options[i].selected)
            deleteOption(fromObject,i);
    }
}

function copyAll(fromObject,toObject) {
    for (var i=0, l=fromObject.options.length;i < l;i++) {
        addOption(toObject,fromObject.options[i].text,fromObject.options[i].value);
    }
    for (var i=fromObject.options.length-1;i > -1;i--) {
        deleteOption(fromObject,i);
    }
}

function populateHidden(fromObject,toObject) {
    var output = '';
    for (var i=0, l=fromObject.options.length;i < l;i++) {
            output += escape(fromObject.name) + '=' + escape(fromObject.options[i].value) + '&';
    }
    // alert(output);
    toObject.value = output;
}
// ========== END irt.org code


var MIN_ROWS = 3 ;
var MAX_ROWS = 10 ;
var MIN_COLS = 40 ;
var MAX_COLS = 80 ;

function changeTextAreaLength ( e ) {

    var txtLength = e.value.length;
    var numRows = 0 ;
    var arrNewLines = e.value.split("\n");

    for(var i=0; i<=arrNewLines.length-1; i++){
        numRows++;
        if(arrNewLines[i].length > MAX_COLS-5) {
            numRows += Math.floor(arrNewLines[i].length/MAX_COLS)
        }
    }

    if(txtLength == 0){
        e.cols = MIN_COLS ;
        e.rows = MIN_ROWS ;
    } else {

        if(numRows <= 1) {
            e.cols = (txtLength % MAX_COLS) + 1 >= MIN_COLS ? ((txtLength % MAX_COLS) + 1) : MIN_COLS ;
        }else{
            e.cols = MAX_COLS ;
            e.rows = numRows > MAX_ROWS ? MAX_ROWS : numRows ;
        }
    }
}

function resetTextAreaLength ( e ) {
    e.cols = MIN_COLS ;
    e.rows = MIN_ROWS ;
}