var interval = 8; // delay between rotating images (in seconds)
var random_display = 1; // 0 = no, 1 = yes
interval *= 1000;
var nbImages=6;
var currentIndex=0;
var currentSequence=5;


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

/*
function rotateImage(tbl1,tbl2,tbl3) {
var index = GetNextImageIndex();
document.getElementById(tbl1).background = GetImagePath(index,1);
document.getElementById(tbl2).background = GetImagePath(index,2);
document.getElementById(tbl3).background = GetImagePath(index,3);
var recur_call = "rotateImage('"+tbl1+"','"+tbl2+"','"+tbl3+"')";
setTimeout(recur_call, interval);
}
*/

//**//
function rotateBgImage(tb1,tb2,tb3) {
var index = GetNextImageIndex();
document.getElementById(tb1).background = GetImagePath(index,1);
document.getElementById(tb2).background = GetImagePath(index,2);
document.getElementById(tb3).background = GetImagePath(index,3);
var recur_call = "rotateBgImage('"+tb1+"','"+tb2+"','"+tb3+"')";
setTimeout(recur_call, interval);
}
//**//


function GetImagePath(index,sequence)
{
	return "imgs/bg"+index+"0"+sequence+".jpg";
}

function RollOver(tbl,sequence)
{
	//alert('sequence='+sequence+' currentIndex='+currentIndex)
	if(sequence!=currentSequence)
	{
		//img=GetRandomRollOverBackground(sequence);
		//document.getElementById(tbl).background = img;
		/*
		if(sequence==1)
		{	
			document.getElementById(tbl).className = 'BorderRight';		
		}
		else if(sequence==2)
		{
			document.getElementById(tbl).className = 'BorderSides';
		}
		else if(sequence==3)
		{
			document.getElementById(tbl).className = 'BorderLeft';
		}
		*/
	}
	
	
	
}
function RollOut(tbl,sequence)
{
		
		document.getElementById(tbl).background = "#";
		document.getElementById(tbl).className = 'NoBorder';

	//document.getElementById(tbl).background = GetImagePath(currentIndex,sequence);
}

function GetRandomRollOverBackground(sequence)
{
	currentSequence=sequence;
	var index=generate(1,2);
	var letter;
	if(sequence==1)
	{	
		letter="a";
		
	}
	else if(sequence==2)
	{
		letter="t";
	}
	else if(sequence==3)
	{
		letter="c";
	}
	return "imgs/"+letter+"pic"+index+".jpg";
}



function ShowHideInfo(section,show)
{
	//var tblToShow=document.getElementById('tInfo'+section);
	///var dvToShow=document.getElementById('dv'+section);
		
		
	var tbl=document.getElementById('tInfo'+section);
	var dv=document.getElementById('dv'+section);
	//var dvInner=document.getElementById('dvInner'+section);
	//var spn=document.getElementById('spn'+section);
	//alert('tbl='+tbl.id);
	if(show=='true')
	{
		
		//document.getElementById('tInfo1').style.display='none';
		//document.getElementById('tInfo2').style.display='none';
		//document.getElementById('tInfo3').style.display='none';
		//tblToShow.style.display='block';
		
		///document.getElementById('dv1').style.display='block';
		//document.getElementById('dv2').style.display='block';
		//document.getElementById('dv3').style.display='block';
		//dvToShow.style.display='none';
		
		
		tbl.style.display='block';
		dv.style.display='none';
		//dvInner.style.display='block';
		//spn.style.display='block';
		
		//tbl.className='Show';
	}
	else
	{
			//alert('hiding')
		tbl.style.display='none';
		dv.style.display='block';
		//dvInner.style.display='none';
		//spn.style.display='none';
		//tbl.className='Hide';
	}
	
}


function ResetCurrentSequence()
{
	currentSequence=0;
}