var postcount=0; 
var positioning = 0;
document.onkeydown = function(e) { 
	if (! e) var e = window.event;
	var code = e.charCode ? e.charCode : e.keyCode;
	if (! e.shiftKey && ! e.ctrlKey && ! e.altKey && ! e.metaKey) {
		if (code == 74 || code == 75) {

			if (code == 74) {
			// Next
			
			go_to_position = positioning+=1;

			} else if (code == 75) {
			// Previous
			if (positioning >0) {
			go_to_position = positioning-=1;
			}
			}
			   window.location.hash="p"+positioning;
		}
	}
}

/* <![CDATA[ */
mtAttachEvent('load', mtUpdateScores);
mtAttachEvent('usersignin', mtUpdateScores);
/* ]]> */
    function clickclear(thisfield, defaulttext) {
        if (defaulttext) {
            thisfield.value = "";
        }
    }
    function clickrecall(thisfield, defaulttext) {
        if (thisfield.value == "") {
            thisfield.value = defaulttext;
        }
    }

var categories=new Array(
	"<a href=\"http://www.boingboing.net/book\">Books</a>",
	"<a href=\"http://www.boingboing.net/games\">Games</a>",
	"<a href=\"http://www.boingboing.net/business\">Business</a>",
	"<a href=\"http://www.boingboing.net/news\">News</a>",
	"<a href=\"http://www.boingboing.net/science\">Science</a>"
	)
var randomCategory = categories[Math.floor(Math.random()*categories.length)];