function initButtons() {
 var kids = document.getElementsByTagName('img');
 for (var i=0; i < kids.length; i++) {
 kids[i].onclick = buttonClick;
 kids[i].onmousedown = buttonDown;
 kids[i].onmouseup = buttonUp;
 kids[i].oncontextmenu = buttonMenu;
 }
 //document.getElementById("tickContentLink").onmouseover = stopTicker;
 //document.getElementById("tickContentLink").onmouseout = resumeTicker;
 getLinkElems();
 playFirstTicker();
}
function buttonMenu(e) {
 return false;
}
function buttonDown(e) {
 if (!e) var e = window.event;
 if ((tickLocked == false) && (e.button != 2)) {
 document.getElementById(this.id).style.cssText = "margin: 2px 0px 0px 2px;";
 }
}
function buttonUp(e) {
if (!e) var e = window.event;
 if ((tickLocked == false) && (e.button != 2)) {
 document.getElementById(this.id).style.cssText = "";
 }
}
function buttonClick(e) {
 delayTicker();
 if (this.id == "back") {
 prevArticle();
 } else if (this.id == "next") {
 nextArticle();
 }
}
function prevArticle() {
 if (tickLocked == false) {
 if (intTickPos == 0) {
 intTickPos = arrNewsItems.length-1;
 } else {
 intTickPos--;
 }
 setArticle(intTickPos);
 }
}
function nextArticle() {
 if (tickLocked == false) {
 if (intTickPos == arrNewsItems.length-1) {
 intTickPos = 0;
 } else {
 intTickPos++;
 }
 setArticle(intTickPos);
 }
}
function typeText() {
 if(intCurrentPos < currentText.length) {
 strText += currentText.charAt(intCurrentPos);
 setSpan(strText,currentLink);
 intCurrentPos++;
 } else if (intCurrentPos == currentText.length) {
 strText += currentText.charAt(intCurrentPos);
 setSpan(strText,currentLink);
 clearInterval(typeInterval);
 hideCursor();
 } else if (intCurrentPos > currentText.length){
 setSpan(strText,currentLink);
 clearInterval(typeInterval);
 hideCursor();
 }
}
function setSpan(strText, strLink) {
 var tickElem = document.getElementById("tick");
 var tickFirstChild = tickElem.firstChild;
 var tickLinkElem = document.createElement("a");
 tickLinkElem.setAttribute('href', strLink);
 tickLinkElem.setAttribute('target', '_top');
 //tickLinkElem.setAttribute('id', 'tickContentLink');
 tickText = document.createTextNode(strText);
 tickLinkElem.appendChild(tickText);
 tickElem.replaceChild(tickLinkElem,tickFirstChild);
 getLinkElems();
}
function getLinkElems() {
 var tickerElem = document.getElementById("tick");
 var tickerAElem = tickerElem.getElementsByTagName("a");
 for (var i=0; i < tickerAElem.length; i++) {
 tickerAElem[i].onmouseover = stopTicker;
 tickerAElem[i].onmouseout = resumeTicker;
 }
}

function setArticle(intPos) {
 if(arrNewsItems[intPos]!=null) {
 tickLocked = true;
 intCurrentPos = 0;
 strText = '';
 setSpan('', '#');
 showCursor();
 currentText = arrNewsItems[intPos][0];
 currentLink = arrNewsItems[intPos][1];
 typeInterval = setInterval( "typeText()", intTypeSpeed);
tickLocked = false;
}
}
function playTicker() {
 isInFirstTimeout = false;
 if (autoTimerID != 0) {
 clearInterval(typeInterval);
 nextArticle();
 }
autoTimerID = self.setTimeout("playTicker()", intTickSpeed);
}
function playFirstTicker() {
 if(isFirstPass == true) {
 hideCursor();
 setSpan(arrNewsItems[0][0],arrNewsItems[0][1]);
 isFirstPass = false;
 typeInterval = setInterval('',0);
 isInFirstTimeout = true;
 autoTimerID = self.setTimeout("playFirstTicker()", intTickSpeed);
 }
 else if(isFirstPass == false) {
 clearTimeout(autoTimerID);
 isInFirstTimeout = false;
 setArticle(intTickPos);
 playTicker();
 }
}
function stopTicker() {
 clearTimeout(autoTimerID);
}
function resumeTicker() {
 clearTimeout(autoTimerID);
 autoTimerID = self.setTimeout("playTicker()", intTickSpeed);
}
function delayTicker() {
 clearTimeout(autoTimerID);
 clearInterval(typeInterval);
 autoTimerID = self.setTimeout("playTicker()", intTickSpeed * 2);
}
function hideCursor() {
 document.getElementById("cursor").className = "hidden";
}

function showCursor() {
 document.getElementById("cursor").className = "";
}
initButtons();