// the string number to start with (0 is first)
var iCurItem = -1;
// the numbers of items to display. if this is "null" then the browser
// is really old and we should do nothing
var iNumItems = rotatingItems.length;
// the length (in milliseconds) for which each item will be displayed
var iDelayMilliseconds =7000;

// test to see if the browser is IE4 or above
var browserName = navigator.appName;
var browserVer = parseInt(navigator.appVersion);
var browserIE4 = ((browserName == "Microsoft Internet Explorer") && (browserVer >= 4));
// if the browser isn't IE4+ then we'll need to remove any HTML from our
// billboard strings. We can use the function stripHTML to do this

//if ((!(browserIE4)) && (iNumItems != null)) {
	//for (var i = 0; i < iNumItems; i++) {
		//rotatingItems[i] = stripHTML(rotatingItems[i]);
	//}
//}

function stripHTML(sHTML) {
	var sOutText = "";
	var iTagStart;
	var iTagEnd = 0;
	
	// look for the start of the first tag
	iTagStart = sHTML.indexOf("<");
	// repeat until we find no more HTML opening brackets
	while (iTagStart != -1) {
		// add the text since the last tag (or the beginning) until
		// the start of this tag
		sOutText += sHTML.substring(iTagEnd, iTagStart);
		// find the end of this tag
		iTagEnd = sHTML.indexOf(">", iTagStart) + 1;
		// find the start of the next tag
		iTagStart = sHTML.indexOf("<", iTagEnd);
	}
	if (iTagEnd != 0) {
		// finish up by adding the rest of the string
		sOutText += sHTML.substring(iTagEnd, sHTML.length);
	} else {
		// no HTML was found, so just return the string we got
		sOutText = sHTML;
	}
	// return the result string
	return sOutText;
}

function showNextItem() {
	var sIEHTML;
	iCurItem = (iCurItem + 1) % iNumItems;
	
	// show the text
	if (iNumItems != null) {
		if (browserIE4) {
			// IE4+ specific code that removes the TEXTAREA control
			// and displays read-only text in a table
			sIEHTML = rotatingItems[iCurItem];
			
			document.getElementById('headerRotation').innerHTML = sIEHTML
		} else {
			// code for Netscape and other browsers
			//document.BillboardForm.BillboardTextArea.value = rotatingItems[iCurItem];
			sIEHTML = rotatingItems[iCurItem];
			
			document.getElementById('headerRotation').innerHTML = sIEHTML
		}
		
		// set the next item, roll-over to the start of the list, if needed
		 
		
		
		//iCurItem = randNum(1, iNumItems-1);
		
		// run this function again after a delay
		//setTimeout("showNextItem()", iDelayMilliseconds);
	}
}

function next(){
   
  
    if( iCurItem  == iNumItems - 1 ){
		var l = 0;
		iCurItem=l;
  } 
    else {
		iCurItem=iCurItem + 1;
		
  } 
  
  
   document.getElementById("headerRotation").innerHTML=rotatingItems[iCurItem];

}

function randNum(x, y) {
		var range = y - x + 1;
		return Math.floor(Math.random() * range) + x;
	}