var imageNames;
var email_image_name = "0";

imageNames =  new Array(numImages);

for (var k=0; k<numImages; k++)
{
   imageNames[k] = folderName + "/" + k + ".jpg";
}

function viewImage(i)
{
	document.getElementById("image_viewer").style.width = "500px";
	document.getElementById("image_viewer").style.height = "333px";
	document.getElementById("image_viewer_wrapper").style.display = "block";
	
	document.getElementById("viewer_image").src = imageNames[i];
	
    email_image_name = "" + i;
}

var interval = 0;
var div_width = null;
var m = 0;
var init = 0;
var speed = 10;
var left_down = 0;
var right_down = 0;


speed_reset();

function speed_reset() {
    speed = 1;
}
function scroller_init() {
    div_width =  656; //document.getElementById('scrollcontent').scrollWidth;
}
function scroller_move_left() {
    if (init == 0) { 
        init=1; 
		scroller_init(); 
    }

    m -= speed;

    if (m <= (-1 * div_width)) {      
        m = 0;        
    }

    document.getElementById('scrollcontent').style.left = m + 'px';
    document.getElementById('scrollcontent2').style.left = m + 'px';
}
function scroller_move_right() {
    if (init == 0) { 
        init=1; 
		scroller_init(); 
    }

    m += speed;

    if (m >= 0) {    
        m = (-1 * div_width);
    }

    document.getElementById('scrollcontent').style.left = m + 'px';
    document.getElementById('scrollcontent2').style.left = m + 'px';
	
	
	
}

function scroll_left_down() {
    if (left_down == 1) { 
		return; 
	} 
	else { 
		left_down = 1; 
	}
	
    clearInterval(interval);
    speed_reset();

    interval = self.setInterval("scroller_move_left()", 10);
}
function scroll_left_up() {
    left_down = 0;
    scroller_stop();
}

function scroll_right_down() {
    if (right_down == 1) { return; } else { right_down = 1; }
    clearInterval(interval);
    speed_reset();

   interval = self.setInterval("scroller_move_right()", 10);
}
function scroll_right_up() {
    right_down = 0;
    scroller_stop();
}
function scroller_stop() {
    clearInterval(interval);
    speed_reset();
}