//FIND HEIGHT OF TALLEST TAGLINE//

function taglineHeight(group) {
	tallest = 0;
	group.each(function() {
		thisHeight = $(this).height();
		if(thisHeight > tallest) {
			tallest = thisHeight;
		}
	});
}


var headline_count;
var headline_interval;
var old_headline = 0;
var current_headline = 0;

$(document).ready(function(){
	
 //INIT. FIND TALLEST TAGLINE//
	
 taglineHeight($(".headline"));
 
 //ASSIGN HEIGHT TO TAGLINE WRAPPERS//
 
 $('.ql_company_saying').css('height', tallest);
 $('.headline').css('top', tallest);
 
 //ROTATE TAGLINES//
	
 headline_count = $("div.headline").size();
 $("div.headline:eq("+current_headline+")").css('top','0px');

 headline_interval = setInterval(headline_rotate,8000); //time in milliseconds
 $('#scrollup').hover(function() {
   clearInterval(headline_interval);
 }, function() {
   headline_interval = setInterval(headline_rotate,8000); //time in milliseconds
   headline_rotate();
 });
});

function headline_rotate() {
 current_headline = (old_headline + 1) % headline_count; 
 $("div.headline:eq(" + old_headline + ")").animate({top: '-'+tallest},"slow", function() {
   $(this).css('top', tallest+'px');
 });
 $("div.headline:eq(" + current_headline + ")").show().animate({top: 0},"slow");  
 old_headline = current_headline;
 
}