https://terrafermata.com/assets/global/js/trunc_box.js

1trunc_box = {
2	init: function(){
3		jQuery('.trunc_box').each(function(i,e){			
4			trunc_box.do_trunc(i,e);
5		});
6	},
7	read_more: function(more_btn,orig_h){
8		var more_btn_wrap = jQuery(more_btn).parent();
9		var trunc_box_wrap = jQuery(more_btn_wrap).prev();
10		jQuery(more_btn_wrap).html("<button style='margin-bottom:10px;' type='button' class='btn btn-small btn-inverse' onclick=\"trunc_box.hide_more(this,"+orig_h+");\">hide more</button>");
11		jQuery(trunc_box_wrap).animate({height:+orig_h+'px'},1000);
12	},
13	hide_more: function(more_btn,orig_h){
14		var more_btn_wrap = jQuery(more_btn).parent();
15		var trunc_box_wrap = jQuery(more_btn_wrap).prev();
16		jQuery(more_btn_wrap).html("<button style='margin-bottom:10px;' type='button' class='btn btn-small btn-inverse' onclick=\"trunc_box.read_more(this,"+orig_h+");\">read more</button>");
17		jQuery(trunc_box_wrap).animate({height:'150px'},1000);
18	},
19	do_trunc: function(index,box){				
20		var orig_h = jQuery(box).height();	
21		if(orig_h > 150){
22			jQuery(box).after("<div class='read_more'><button style='margin-bottom:10px;' type='button' class='btn btn-small btn-inverse' onclick=\"trunc_box.read_more(this,"+orig_h+");\">read more</button></div>");
23			jQuery(box).css('height','150px');			
24		}
25	}
26}
27	
28jQuery(window).load(function(){	
29		trunc_box.init();	
30});