function nav_overs(elem){
	var pnav = document.getElementById(elem);
	
	var nav_items = pnav.getElementsByTagName('li');
	for(i=0;i<nav_items.length;i++){
		//dont try to make rollovers for images with no_rollover class
		if(nav_items[i].className != 'act'){
			nav_items[i].onmouseover=function(){this.className = 'act';}
			nav_items[i].onmouseout=function(){this.className = '';}
		}				
	}
}
		
function gallery_jump(nm){
	$('#member-info').cycle(nm);
	$('#member-info').cycle('pause');
	$('#services-info').cycle(nm);
	$('#services-info').cycle('pause');
	$('#studies-info').cycle(nm);
	$('#studies-info').cycle('pause');
}

function setHeight(){
	var hgt = $(this).css('height');
	var nm = $(this).attr('id');
	$('#member-info').css('height', hgt );
	$('#services-info').css('height', hgt );
	$('#studies-info').css('height', hgt );
	$('.members li').removeClass('act');
	$('#services li').removeClass('act');
	$('#studies li').removeClass('act');
	$('#'+nm+'_link').addClass('act');
}

$(document).ready(function(){
	nav_overs('nav');
	
	$('#member-info').cycle({ 
    	fx:     'scrollUp', 
    	speed:  100,
    	timeout: 0,
    	cleartypeNoBg: true,
    	after: setHeight
	});
	
	$('#services-info').cycle({ 
    	fx:     'scrollUp', 
    	speed:  100,
    	timeout: 0,
    	cleartypeNoBg: true,
    	after: setHeight
	});
	
	$('#studies-info').cycle({ 
    	fx:     'scrollUp', 
    	speed:  100,
    	timeout: 0,
    	cleartypeNoBg: true,
    	after: setHeight
	});
	
	gallery_jump(1);
	gallery_jump(0);
});