function ClearTextBox(control)
{
    var ctrl = document.getElementById(control);    
    ctrl.value = "";
}

function RotateSlidingPanel()
{
    if(counter == 1)
    {
        sp1.showPanel(0);
        counter++;
        document.getElementById("imgPnl1").src=img_on.src;
        document.getElementById("imgPnl2").src=img_off.src;
        document.getElementById("imgPnl3").src=img_off.src;
        document.getElementById("imgPnl4").src=img_off.src;
    }
    else if(counter == 2)
    {
        sp1.showPanel(1);
        counter++;
        document.getElementById("imgPnl1").src=img_off.src;
        document.getElementById("imgPnl2").src=img_on.src;
        document.getElementById("imgPnl3").src=img_off.src;
        document.getElementById("imgPnl4").src=img_off.src;
    }
    else if(counter == 3)
    {
        sp1.showPanel(2);
        counter++;
        document.getElementById("imgPnl1").src=img_off.src;
        document.getElementById("imgPnl2").src=img_off.src;
        document.getElementById("imgPnl3").src=img_on.src;
        document.getElementById("imgPnl4").src=img_off.src;
    }
    else
    {
        sp1.showPanel(3);
        counter = 1;
        document.getElementById("imgPnl1").src=img_off.src;
        document.getElementById("imgPnl2").src=img_off.src;
        document.getElementById("imgPnl3").src=img_off.src;
        document.getElementById("imgPnl4").src=img_on.src;
    }
}


img_on = new Image(); img_on.src = "/images/buttonrollover.png";
img_off = new Image(); img_off.src = "/images/button.png"; 


function handleOver(control) 
{
    document.getElementById(control).src = img_on.src;
}

function handleOut(control,panel) 
{
    if(sp1.getCurrentPanel().id == panel)
        document.getElementById(control).src=img_on.src;
    else
        document.getElementById(control).src=img_off.src;
}

function SliderClick(control)
{
    clearInterval(myInterval);
    
    if(control == "imgPnl1")
    {
        sp1.showPanel(0);
        document.getElementById("imgPnl1").src=img_on.src;
        document.getElementById("imgPnl2").src=img_off.src;
        document.getElementById("imgPnl3").src=img_off.src;
        document.getElementById("imgPnl4").src=img_off.src;
    }
    else if(control == "imgPnl2")
    {
        sp1.showPanel(1);
        document.getElementById("imgPnl1").src=img_off.src;
        document.getElementById("imgPnl2").src=img_on.src;
        document.getElementById("imgPnl3").src=img_off.src;
        document.getElementById("imgPnl4").src=img_off.src;
    }
    else if(control == "imgPnl3")
    {
        sp1.showPanel(2);
        document.getElementById("imgPnl1").src=img_off.src;
        document.getElementById("imgPnl2").src=img_off.src;
        document.getElementById("imgPnl3").src=img_on.src;
        document.getElementById("imgPnl4").src=img_off.src;
    }
    else
    {
        sp1.showPanel(3);
        document.getElementById("imgPnl1").src=img_off.src;
        document.getElementById("imgPnl2").src=img_off.src;
        document.getElementById("imgPnl3").src=img_off.src;
        document.getElementById("imgPnl4").src=img_on.src;
    }
}


// Rotate through a variable number of case studies.
// Each case study has an element ID that increments.
function RotateSlidingPanelCS() {
	// If there are 1 (or none), don't rotate.
	if (counterCSLimit <= 1)
		return;

	counterCS++;
	if (counterCS > counterCSLimit) {
		counterCS = 1;
	}

	var iPanelToShow = counterCS;
	var sPanelId = "cs_p" + iPanelToShow;

	// Hide all visible items first. Then fade in the selected case study.
	var toHide = jQuery('#castStudyDiv .SlidingPanelsContent:visible');
	if (toHide.length > 0) {
		toHide.fadeOut('normal', function() {
			jQuery('#' + sPanelId).fadeIn('slow');
		});
	}
	else {
		jQuery('#' + sPanelId).fadeIn('slow');
	}
}