// JavaScript Document

var prevPic = 1;
var nextPic = 2;
function loadPic (picID) {
        $("#pic" + picID).fadeIn( 2000 );
        $("#pic" + prevPic).fadeOut( 2000 );
	
	prevPic = picID;
}

function cyclePics() {
	loadPic(nextPic);
	nextPic++;
	
	if(nextPic == 4){
		nextPic = 1;	
	}
}

function clearIn() { 
window.clearInterval(intval);	
}

intval=window.setInterval( "cyclePics()", 4000 );

var curNav = 1;
function navChange(newNav) {
	
	$("#btn" + curNav + "a").fadeIn( 2000 );
    $("#btn" + curNav + "b").fadeOut( 2000 );
	
	$("#btn" + newNav + "b").fadeIn( 2000 );
    $("#btn" + newNav + "a").fadeOut( 2000 );
	
	arrowPos = 88 * newNav;
	$('#locArrow').animate({ height: arrowPos}, 1000, function(){
		//complete
	});
	
	$('#con' + curNav).fadeOut('slow', function(){
			$('#con' + newNav).fadeIn('slow', function() {
			});
	});
	
	curNav = newNav;
}


function scrollUp (id, maxTop) {
	var position = $('#fadeCon' + id).position();
    curTop = position.top;
	if(curTop < 0) {
		newTop = curTop + 40;
		$('#fadeCon' + id).animate({ top: newTop}, 1000, function(){
		//complete
	});
	curTop = newTop;
	}
}
function scrollDown (id, maxTop) {
    var position = $('#fadeCon' + id).position();
    curTop = position.top;
	if(curTop > maxTop) {
		newTop = curTop - 40;
		$('#fadeCon' + id).animate({ top: newTop}, 1000, function(){
		//complete
	});
	curTop = newTop;
	}
}