var g_ImageTable = new Array();
var row1 = 0;
var row2 = 1;

function ChangeImage(fFwd)
{
	if (fFwd)
	{
		row1 = ++row2 % g_ImageTable.length;
		row2 = row1 + 1;
		if (row2 == g_ImageTable.length)
		{
			row2 = 0;
		}
	}
	else {
		row1 = row1 - 2;
		row1 = (row1 + g_ImageTable.length) % g_ImageTable.length;
		row2 = row1 + 1;
		if (row2 == g_ImageTable.length)
		{
			row2 = 0;
		}
	}
	Update();
}

function Update(){
	document.getElementById('_Ath_Slide1').src = g_ImageTable[row1][0];
	document.getElementById('_Ath_FileName1').innerHTML = g_ImageTable[row1][1];
	document.getElementById('_Ath_Slide2').src = g_ImageTable[row2][0];
	document.getElementById('_Ath_FileName2').innerHTML = g_ImageTable[row2][1];
}

function Prev()
{
	ChangeImage(false);
}

function Next()
{
	ChangeImage(true);
}