// email confirmation message
function emailsuccessmsg()
{
	var frm = document.getElementById('email_form');
	frm.innerHTML = '<div style="font-size: 10pt; color: black; margin-top: 2px; margin-top: 10px;">Thank you for signing-up!</div>';
}


// check for older browsers
if (document.images)
{
	var imgFolder = "rightside/";

	var imgs = new Array();

	// set fade variables
	var fo = 1;
	var fi = 0;
	
	// set first image
	var cntr = 1;
	
	// function called from parent page
	function rotate_rightbar_images(subfolder,imagecount)
	{
		imgFolder = imgFolder + subfolder + "/";
		
		var i = 0;
		for (i = 0; i <= imagecount; i++)
		{
			imgs[i] = imgFolder + (i + 1) + ".png";
		}
		
		// preload images
		for (i = 0; i <= imgs.length; i++)
		{
			preload_image = new Image();
			preload_image.src = imgs[i];
		}
		
		// start slideshow
		window.setTimeout('fadeout()', 9000);
	}
	
	// fadeout and replace image
	function fadeout()
	{	
		var elem = document.getElementById('js_rightbar');
		
		elem.style.opacity = fo;
		elem.style.MozOpacity = fo;
		elem.style.filter='alpha(opacity=' + fo * 100 + ')';
		
		fo = fo - 0.05;
		
		if (fo > 0)
		{
			window.setTimeout('fadeout()',45);
		}
		else
		{
			fo = 1;
			elem.src = imgs[cntr];
			cntr++;
			if (cntr+1 >= imgs.length)
			{
				cntr = 0;
			}
			fadein();
		}
	}
	
	// fadein image
	function fadein()
	{
		var elem = document.getElementById('js_rightbar');
		
		elem.style.opacity = fi;
		elem.style.MozOpacity = fi;
		elem.style.filter='alpha(opacity=' + fi * 100 + ')';
		
		fi = fi + 0.05;
		
		if (fi < 1)
		{
			window.setTimeout('fadein()',45);
		}
		else
		{
			fi = 0;
			window.setTimeout('fadeout()',6000);
		}
	}
}

// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
function getInternetExplorerVersion()
{
  var rv = -1; // Return value assumes failure.
  if (navigator.appName == 'Microsoft Internet Explorer')
  {
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}