var j=0;
var jstart;
var td;



function Set_Cookie(j)
{
	var myDate=new Date();
	myDate.setDate(myDate.getDate()+5);
	document.cookie = "sao=" + j + ";path=/";
}
function Get_Cookie()
{
	var str = document.cookie; 
	var zstr = "sao="; 
	var start = str.indexOf(zstr, 0); 
	
	if(start == -1)
	{ 
		return 0; 
	}
	else
	{ 
		start += zstr.length; 
		var eind = str.indexOf(";", start); 
		if(eind == -1) eind = str.length; 
		return unescape(str.substring(start, eind)); 
	} 
}
j=Get_Cookie();


function btnnext(j)
{
	j++;
	//alert(j + " - " + arrlen);
	if(j>=arrlen)
	{
		j=0;
	}
	init(j);
}
function btnprev(j)
{
	j--;
	
	if(j<0)
	{
		j=arrlen - 1;
	}	
	init(j);
}

function init(j)
{
	td="<table cellpadding='0' cellspacing='7'><tr><td><a href='#' onclick='btnprev(" + j + ")'  onmouseout=\"MM_swapImgRestore()\" onmouseover=\"MM_swapImage('ImgRollback','','/images/pages/roll-back2.jpg',1)\"><img src='/images/pages/roll-back.jpg' id='ImgRollback' /></a></td>";

	Set_Cookie(j);

	
	jstart=j;
	for(i=0;i<5;i++)
	{
		td+=myFotoroll[j];
		
		j++;
		
		if(j>=arrlen)
		{
			j=0;
		}
		else if(j<0)
		{
			j=arrlen-1;
		}
	}
	
	td+="<td><a href='#' onclick='btnnext(" + jstart + ")'  onmouseout=\"MM_swapImgRestore()\" onmouseover=\"MM_swapImage('ImgRollnext','','/images/pages/roll-next2.jpg',1)\"><img src='/images/pages/roll-next.jpg' id='ImgRollnext' /></a></td></tr></table>";
	document.getElementById('fotoroll').innerHTML = td;
}