$(function(){
	var loc = location.href;
	if(loc.match(/blogs-colunas\/$/)) wCrop = 120;
	else if(loc.match("blogs-colunas/")) wCrop = 70;
	else wCrop = 30;
	
	$('.post_preview').each(function(){
		var previa = this.innerHTML.replace(/<\/?[^>]+(>|$)/g, "");
		previa = previa.split(" ").slice(0,wCrop).join(" ");
		this.innerHTML = previa+"...";
	});
	$('.post_preview').show();
});