/***********************************************
* DHTML Billboard script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

//List of transitional effects to be randomly applied to billboard:
//var billboardeffects=["GradientWipe(GradientSize=1.0 Duration=0.7)", "Inset", "Iris", "Pixelate(MaxSquare=5 enabled=false)", "RadialWipe", "RandomBars", "Slide(slideStyle='push')", "Spiral", "Stretch", "Strips", "Wheel", "ZigZag"];
var billboardeffects=["Iris"]; //Uncomment this line and input one of the effects above (ie: "Iris") for single effect.

var tickspeed=5000; //ticker speed in miliseconds (2000=2 seconds)
var effectduration=500; //Transitional effect duration in miliseconds
var hidecontent_from_legacy=1; //Should content be hidden in legacy browsers- IE4/NS4 (0=no, 1=yes).

var filterid=Math.floor(Math.random()*billboardeffects.length);

document.write('<style type="text/css">\n');
if (document.getElementById) {
	document.write('.billcontent{display:none;\n'+'filter:progid:DXImageTransform.Microsoft.'+billboardeffects[filterid]+'}\n');
} else if (hidecontent_from_legacy) {
	document.write('#contentwrapper{display:none;}');
}
document.write('</style>\n');

var selectedDiv=0;
var totalDivs=0;

function contractboard() {
	var inc=0;
	while (document.getElementById("billboard"+inc)) {
		document.getElementById("billboard"+inc).style.display="none";
		inc++;
	}
}

function expandboard() {
	var selectedDivObj=document.getElementById("billboard"+selectedDiv);
	contractboard();
	if (selectedDivObj.filters) {
		if (billboardeffects.length>1) {
			filterid=Math.floor(Math.random()*billboardeffects.length);
			selectedDivObj.style.filter="progid:DXImageTransform.Microsoft."+billboardeffects[filterid];
		}
		selectedDivObj.filters[0].duration=effectduration/1000;
		selectedDivObj.filters[0].Apply();
	}
	selectedDivObj.style.display="block";
	if (selectedDivObj.filters) {
		selectedDivObj.filters[0].Play();
	}
	selectedDiv=(selectedDiv<totalDivs-1)? selectedDiv+1 : 0;
	setTimeout("expandboard()",tickspeed);
}

function startbill() {
	while (document.getElementById("billboard"+totalDivs)!=null)
		totalDivs++;
	if (document.getElementById("billboard0").filters)
		tickspeed+=effectduration;
	expandboard();
}

if (window.addEventListener) {
	window.addEventListener("load", startbill, false);
} else if (window.attachEvent) {
	window.attachEvent("onload", startbill);
} else if (document.getElementById) {
	window.onload=startbill;
}