//jquery for Rootlearning.com
//Created by Justin on May 17,2011
//Last updated May 17,2011


$(document).ready(function(){
	var num = 0;	
		$('.catBtn').click(function(){
		
			$('.catBtn').removeClass('cat_selected');
			
			num = $(this).attr('id');
			num = num.substr(6);
		
			slideContent(num);
		
		});

		$('.catArrow').click(function(){
			
			
			
			$('.catBtn').removeClass('cat_selected');
			if($(this).attr('id') == 'cat_rightArrow'){
				num++;
				if(num > 2){
					num = 2;
				}
				slideContent(num);
			} else {
				num--;
				if(num < 0){
					num = 0;
				}
				slideContent(num);
			
			}
		});
		
		
function slideContent(tab){
					btnString = '#catBtn' + tab;
					$(btnString).addClass('cat_selected');
					var moveDist = tab * -620;
                    moveDist = moveDist + 'px';
                    $('#publications_container').animate({ marginLeft: moveDist}, 500);
                }

});