//functions.js
//Create a boolean variable to check for a valid IE instance.
var xmlhttp = false;
//Check if we are using IE.
try {
//If the javascript version is greater than 5.
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
//If not, then use the older active x object.
try {
//If we are using IE.
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
//Else we must be using a non-IE browser.
xmlhttp = false;
}
}
//If we are using a non-IE browser, create a JavaScript instance of the object.
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
//A variable used to distinguish whether to open or close the calendar.
var showCalendar = true;
function showHideCalendar() {
//The location we are loading the page into.
var objID = "calendar";
//Change the current image of the minus or plus.
if (showCalendar == true){
//Show the calendar.
document.getElementById("opencloseimg").src = "images/mins.gif";
//The page we are loading.
var serverPage = "theform.php";
//Set the open close tracker variable.
showCalendar = false;
var obj = document.getElementById(objID);
xmlhttp.open("GET", serverPage);
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
obj.innerHTML = xmlhttp.responseText;
}
}
xmlhttp.send(null);
} else {
//Hide the calendar.
document.getElementById("opencloseimg").src = "images/plus.gif";
showCalendar = true;
document.getElementById(objID).innerHTML = "";
}
}

function createform (e){
    theObject = document.getElementById("createtask");
    theObject.style.visibility = "visible";
    theObject.style.height = "200px";
    theObject.style.width = "200px";
    var posx = 0;
    var posy = 0;
    posx = e.clientX + document.body.scrollLeft;
    posy = e.clientY + document.body.scrollTop;
    theObject.style.left = posx + "px";
    theObject.style.top = posy + "px";
    //The location we are loading the page into.
    var objID = "createtask";
    var serverPage = "theform.php";
    var obj = document.getElementById(objID);
    xmlhttp.open("GET", serverPage);
    xmlhttp.onreadystatechange = function() {
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            obj.innerHTML = xmlhttp.responseText;
        }
    }
    xmlhttp.send(null);
}
function closetask (){
    theObject = document.getElementById("createtask");
    theObject.style.visibility = "hidden";
    theObject.style.height = "0px";
    theObject.style.width = "0px";
    acObject = document.getElementById("autocompletediv");
    acObject.style.visibility = "hidden";
    acObject.style.height = "0px";
    acObject.style.width = "0px";
}
function findPosX(obj){
    var curleft = 0;
    if (obj.offsetParent){
        while (obj.offsetParent){
        curleft += obj.offsetLeft
        obj = obj.offsetParent;
        }
    } else if (obj.x){
        curleft += obj.x;
    }
    return curleft;
}
function findPosY(obj){
    var curtop = 0;
    if (obj.offsetParent){
        while (obj.offsetParent){
            curtop += obj.offsetTop
            obj = obj.offsetParent;
        }
    } else if (obj.y){
        curtop += obj.y;
    }
    return curtop;
}
function autocomplete (thevalue, e){
    theObject = document.getElementById("autocompletediv");
    theObject.style.visibility = "visible";
    theObject.style.width = "152px";
    var posx = 0;
    var posy = 0;
    posx = (findPosX (document.getElementById("yourname")) + 1);
    posy = (findPosY (document.getElementById("yourname")) + 23);
    theObject.style.left = posx + "px";
    theObject.style.top = posy + "px";
    var theextrachar = e.which;
    if (theextrachar == undefined){
        theextrachar = e.keyCode;
    }
    //The location we are loading the page into.
    var objID = "autocompletediv";
    //Take into account the backspace.
    if (theextrachar == 8){
        if (thevalue.length == 1){
            var serverPage = "autocompaj.php";
        } else {
            var serverPage = "autocompaj.php" + "?sstring=" + thevalue.substr (0, (thevalue.length -1));
        }
    } else {
        var serverPage = "autocompaj.php" + "?sstring=" + thevalue + String.fromCharCode (theextrachar);
    }
    var obj = document.getElementById(objID);
    xmlhttp.open("GET", serverPage);
    xmlhttp.onreadystatechange = function() {
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            obj.innerHTML = xmlhttp.responseText;
        }
    }
    xmlhttp.send(null);
}
function setvalue (thevalue){
    acObject = document.getElementById("autocompletediv");
    acObject.style.visibility = "hidden";
    acObject.style.height = "0px";
    acObject.style.width = "0px";
    document.getElementById("yourname").value = thevalue;
}
