var NumberOfImagesToRotate = 24;
var NumberOfLogosToRotate = 15;
var logoIntID = 0;
var picsIntID = 0;
var Curlogo = 0;

function $(obj)
{
	return document.getElementById(obj);
}

function getImgName() 
{
	var r = Math.ceil(Math.random() * NumberOfImagesToRotate);
	var imgname = "highlight"+r+".png";
	
	return imgname;
}

function loadimage(imgCont)
{
	var cont=$(imgCont);
	
	cont.style.backgroundImage = "url(PastImages/"+getImgName()+")";
}
function getLogoName() 
{
	var first = 1;

	if (Curlogo == 0)
	{
		Curlogo = Math.ceil(Math.random() * NumberOfLogosToRotate);
	}
	else
	{
		if ( Curlogo < NumberOfLogosToRotate )
		{
			Curlogo = Curlogo + 1;
		}
		else if ( Curlogo == NumberOfLogosToRotate )
		{
			Curlogo = first;
		}     
	}
	
	if ( Curlogo > NumberOfLogosToRotate )
	{
		Curlogo = first;
	}
	
	var r = Curlogo;
	var imgname = "logo"+r+".png";

	return imgname;
}

function loadSponsor(imgCont)
{
	var cont=$(imgCont);
	cont.style.backgroundImage = "url(Sponsors/"+getLogoName()+")";

}

function setpicDivs()
{
	loadimage('picture1');
	loadSponsor('picture2');
	logoIntID = setInterval ( "loadSponsor('picture2')", 3000 );
	picsIntID = setInterval ( "loadimage('picture1')", 5000 );

	
}