function make_card_url(day, user_id, title) {
	var card_link = '';	
	card_link += 'card.html?';
	card_link += '\&day=' + day;
	card_link += '\&id=' + user_id;
	card_link += '\&title=';
	if (title) {
		card_link += encodeURIComponent(title);    	
	}
	else {
		card_link += encodeURIComponent('On This Day');    		
	}
	return card_link;
}

function make_card_link(day, user_id, widget_title, link_text, link_title) {
	var show_button = '<img id="show_card_link" class="card_link_button" src="create_card.gif" ></img>';
    var card_link = '';
    card_link += '<a ';
    card_link += ' href="';
    card_link += make_card_url(day, user_id, widget_title);
    card_link += '"';
    card_link += ' title="';
    if (link_title) {
    	card_link += link_title;
    }
    else {
	    card_link += 'View card with selected topics'; 
    }
    card_link += '"';
    card_link += ' target="_blank">';
    if (link_text) {
    	card_link += link_text;
    }
    else {
	    card_link += show_button; 
    }
    card_link += '</a>';
	return card_link;	
}

function make_card_email_link(day, user_id, widget_title) {
    
    var email_body = '';
	var email_button = '<img id="email_card_link" class="email_card_link_button" src="email_card.gif"></img>';
    var fav_count = 0;
    var birthdays = "";
    var other_props = "";
    var crlf = "%0D%0A";

    var day_digits = make_day_str(day, "d");
    email_body += 'Look at this e-card showing things that happened on ';
    email_body += encodeURIComponent(make_day_str(day, "MMM")+", ")+ day_digits;
    email_body += day_suffix(day_digits)+":";
    email_body += crlf+crlf;            
	email_body += 'http://www.wiggleback.com/' + encodeURIComponent(make_card_url(day, user_id, widget_title));
    email_body += crlf+crlf;
    // email_body += 'http://www.wiggleback.com shows things that happened today, on your birthday, or any day.';        
    var email_link = "";
    email_link += '<a ';
    email_link += ' target="_blank"';
    email_link += ' title=\"Launch your email composer with a link to the e-card\"'; 
    email_link += ' href="mailto:?subject='+encodeURIComponent("Wiggleback's history of a day");
    email_link += '&body=' + email_body;
    email_link += '\" >';
    email_link += email_button;
    email_link += '</a>';
    return email_link;
}