//preload rollover images
if (document.images) {
	scroll_arrow_up = new Image(6,24); 
	scroll_arrow_up.src="images/scroll_arrow_up.gif";
	scroll_arrow_down = new Image(6,25); 
	scroll_arrow_down.src="images/scroll_arrow_down.gif";
	scroll_grab = new Image(6,10); 
	scroll_grab.src="images/scroll_grab.gif";
	
}

//function used to create mailto link and hide email addresses from spiders to prevent spam
function mailto(username,domain,class_name){
	var linktext = username + "@" + domain;
	//document.write('<a href="' + 'mail' + 'to:' + username + '@' + domain + '" class="'+class_name+'">'+linktext+'</a>');
	document.write('<a href="' + 'mail' + 'to:' + username + '@' + domain + '" class="'+class_name+'">'+linktext+'</a>');
}