var next;
var previous;
var numSlides = 15;


function next(cur)
{
	cur++;
	document.getElementById("slide").src = "/common/slides_q2_2011/Slide" + cur + ".jpg";
	if( cur < numSlides )
		document.getElementById("next").innerHTML = '<a href="javascript: void(0);" onclick="next(' + cur + ');">Next</a>';
	else
		document.getElementById("next").innerHTML = "";
	document.getElementById("previous").innerHTML = '<a href="javascript: void(0);" onclick="previous(' + cur + ');">Previous</a>';
	
	document.getElementById("slides")[cur - 1].selected = true;
}

function previous(cur)
{
	cur--;
	document.getElementById("slide").src = "/common/slides_q2_2011/Slide" + cur + ".jpg";
	document.getElementById("next").innerHTML = '<a href="javascript: void(0);" onclick="next(' + cur + ');">Next</a>';
	if( cur > 1 )
		document.getElementById("previous").innerHTML = '<a href="javascript: void(0);" onclick="previous(' + cur + ');">Previous</a>';
	else
		document.getElementById("previous").innerHTML = "";
	
	document.getElementById("slides")[cur - 1].selected = true;
	
}

function selectSlide()
{
	cur = parseInt(document.getElementById("slides").value);	
	document.getElementById("slide").src = "/common/slides_q2_2011/Slide" + cur + ".jpg";
	if( cur < numSlides )
		document.getElementById("next").innerHTML = '<a href="javascript: void(0);" onclick="next(' + cur + ');">Next</a>';
	else
		document.getElementById("next").innerHTML = "";
	if( cur > 1 )
		document.getElementById("previous").innerHTML = '<a href="javascript: void(0);" onclick="previous(' + cur + ');">Previous</a>';
	else
		document.getElementById("previous").innerHTML = "";
	
	
}