$(document).ready(function() { 
    
    $("a").filter(function() {
    return this.hostname && this.hostname !== location.hostname;
    }).addClass('websnapr').attr("target", "_blank");
	
	  if($(".websnapr").length)
            {   
                $.insert(WB_URL+ '/modules/linkpreview/websnapr/websnapr.js');

              
            }  
});