//collapseable div script
//***********************
//** Matthew M. Osborn **
//**  www.osbornm.com  **
//***********************


//Configuration section
//********************************************************
var ExpandImageSrc = '/js/expand.gif'; //image location to display when Div is collapsed
var CollapseImageSrc = '/js/collapse.gif'; //image location to display when Div is Expanded
var speed = 15; //how often the div refreshes to the new height
var incriment = 5; //each time hte div refreshes height will be increased or deceased by this amount
//********************************************************


//Code
//********************************************************
var iTimer;
var calcHeight;
function toggleDiv(divToShow, imgID) {
    var help = document.getElementById(divToShow);
    if (help.style.display != "block") {
        if (imgID) {
            document.getElementById(imgID).setAttribute('src', CollapseImageSrc);
        }
        SearchshowDiv(divToShow);
        Expand(divToShow);
    }
    else {
        if (imgID) {
            document.getElementById(imgID).setAttribute('src', ExpandImageSrc);
        }
        collapse(divToShow);
    }
}
function Expand(divName) {
    var help = document.getElementById(divName);
    var height = help.offsetHeight;
    if (height < calcHeight) {
        help.style.height = height + incriment + "px";
        iTimer = setTimeout("Expand('" + divName + "')", speed);
    }
    else {
        clearTimeout(iTimer);
    }
}
function collapse(divName) {
    var help = document.getElementById(divName);
    var height = help.offsetHeight;
    if (height > incriment) {
        help.style.height = height - incriment + "px";
        iTimer = setTimeout("collapse('" + divName + "')", speed);
    }
    else {
        clearTimeout(iTimer);
        help.style.height = "100%";
        help.style.display = "none";
    }
}
function SearchshowDiv(divName) {
    var div = document.getElementById(divName);
    div.style.display = "block";
    calcHeight = div.offsetHeight;
    div.style.height = "0px";
}
//*******************************************************