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var packContainer, cookieArray, showArray, cookieName;
function initiate(useCookieName) {
var cookieArrayTemp;
showArray = new Array();
cookieName = useCookieName;
if(document.cookie) {
cookieArray = document.cookie.split(";");
cookieArrayTemp = new Array();
for(i in cookieArray){
cookieArrayTemp[cookieArray[i].split("=")[0].replace(/ /g,"")]=cookieArray[i].split("=")[1].replace(/ /g,"");
}
}
//get show-value(true, false) for each package
cookieArray=(document.cookie.indexOf(cookieName+"=")>=0)?cookieArrayTemp[cookieName].split(","):new Array();
//contains all packages
packContainer=document.getElementById("packageContainer");
//var cookieCount=0;
var currPackageNum = -1;
// for all table-rows (packages and downloads)
for(var i=0; i<packContainer.getElementsByTagName("tr").length; i++){
var currRow = packContainer.getElementsByTagName("tr")[i];
// row is package
if (startsWith(currRow.className, "package")) {
currPackageNum++;
currRow.id = "package" + currPackageNum;
var expander = document.createElement("span");
expander.id = "expander" + currPackageNum;
expander.className = "symbol";
// plus- or minus-pic
expander.style.backgroundImage = (cookieArray.length>currPackageNum)? ((cookieArray[currPackageNum]=="true")? "url(img/minus.gif)" : "url(img/plus.gif)") : "url(img/plus.gif)";
expander.onclick= new Function("expanderClick("+currPackageNum+");");
currRow.getElementsByTagName('td')[1].insertBefore(expander, currRow.getElementsByTagName('td')[1].firstChild);
showArray[currPackageNum] = (cookieArray.length>currPackageNum)? ((cookieArray[currPackageNum]=="true")? "true" : "false" ) : "false" ;
} else if (startsWith(currRow.className, "download")) {
//row is a download
var showVal = (testProperty('display', 'table-row'))? 'table-row' : 'block';
var displayVal = (cookieArray.length>currPackageNum)? ((cookieArray[currPackageNum]=="true")? showVal : "none") : "none";
currRow.style.display = displayVal;
}
}
}
function expanderClick(currPackageNum) {
showhide(currPackageNum);
saveListsVisibility();
}
function startsWith(string, text) {
var pos = string.indexOf(text);
if (pos == 0) {
return true;
} else {
return false;
}
}
function showhide(packageNum) {
var package = document.getElementById("package" + packageNum);
var expander = document.getElementById("expander" + packageNum);
var showVal = (testProperty('display', 'table-row'))? 'table-row' : 'block';
var displayVal = (showArray[packageNum]=="false")? showVal : "none";
var nextRow = package.nextSibling;
while (nextRow != null) {
// accept only tr-nodes
if (nextRow.tagName == null || nextRow.tagName.toLowerCase() != 'tr') {
nextRow = nextRow.nextSibling;
continue;
}
// reached next package?
if (startsWith(nextRow.className, "package")) {
break;
}
nextRow.style.display = displayVal;
nextRow = nextRow.nextSibling;
}
expander.style.backgroundImage = (showArray[packageNum]=="false")? "url(img/minus.gif)" : "url(img/plus.gif)";
showArray[packageNum] = (showArray[packageNum]=="false")? "true" : "false";
}
function saveListsVisibility() {
// save the visibility of the package-lists in a cookie
cookieArray=new Array();
var packNum = -1;
for(var i=0; i<packContainer.getElementsByTagName("tr").length; i++){
var currRow = packContainer.getElementsByTagName("tr")[i];
if (startsWith(currRow.className, "package")) {
packNum++;
var newShow = (showArray[packNum]=="true");
cookieArray[cookieArray.length] = newShow;
showArray[packNum] = ""+newShow+"";
}
}
document.cookie=cookieName+"="+cookieArray.join(",")+";expires="+new Date(new Date().getTime() + 365*24*60*60*1000).toGMTString();
}
/**
* Tests, if the IE supports the property-Value
*/
function testProperty(prop, value) {
var tempEl = document.createElement("div");
if(typeof tempEl.style[prop] != 'undefined') {
try {
tempEl.style[prop] = value;
return true;
}
catch(e) {
return false;
}
} else {
return false;
}
}
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