function site_move_content(){
		
		new_content_left = parseInt(($(window).width() - $("#site").width()) / 2);
		$("#site").css('left', new_content_left + 'px');
		
	}
	
	function site_content_topmargin(new_img_height){
		
		if( $("#content").length ){
			img_85p_height = parseInt(new_img_height * 0.75);
			$("#content").css('margin-top', img_85p_height + 'px');			
		}
		else {
			img_85p_height = parseInt(new_img_height * 0.90);
			$("#footer_nav").css('margin-top', img_85p_height + 'px');	
		}
		

	}
		
	 $.fn.pause = function(duration) {
	    $(this).animate({ dummy: 1 }, duration);
	    return this;
	};