var dir = "http://www.eliseotterlei.no/";

function relative_time(time_value) {
  var values = time_value.split(" ");
  time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
  var parsed_date = Date.parse(time_value);
  var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
  var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
  delta = delta + (relative_to.getTimezoneOffset() * 60);

  if (delta < 60) {
    return 'less than a minute ago';
  } else if(delta < 120) {
    return 'about a minute ago';
  } else if(delta < (60*60)) {
    return (parseInt(delta / 60)).toString() + ' minutes ago';
  } else if(delta < (120*60)) {
    return 'about an hour ago';
  } else if(delta < (24*60*60)) {
    return 'about ' + (parseInt(delta / 3600)).toString() + ' hours ago';
  } else if(delta < (48*60*60)) {
    return '1 day ago';
  } else {
    return (parseInt(delta / 86400)).toString() + ' days ago';
  }
}


function updateClock ( )
{
  var currentTime = new Date ( );

  var currentYear = currentTime.getFullYear ( );
  var currentMonth = currentTime.getMonth ( );
  var currentDay = currentTime.getDay ( );
  var currentHours = currentTime.getHours ( );
  var currentMinutes = currentTime.getMinutes ( );
  var currentSeconds = currentTime.getSeconds ( );

  currentMinutes = ( currentMinutes < 10 ? '0' : '' ) + currentMinutes;
  currentSeconds = ( currentSeconds < 10 ? '0' : '' ) + currentSeconds;

  var currentTimeString =  currentHours + ':' + currentMinutes + ':' + currentSeconds;

  document.getElementById('clock').firstChild.nodeValue = currentTimeString;
}

function setCookie(name, value) {
	var expires = new Date ();
	expires.setTime(expires.getTime() + 1000 * 60 * 60 * 24);
	document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString() + "; path=/";
}

function getCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function changecss(theClass,element,value) {
	//Last Updated on June 23, 2009
	//documentation for this script at
	//http://www.shawnolson.net/a/503/altering-css-class-attributes-with-javascript.html
 var cssRules;

 var added = false;
 for (var S = 0; S < document.styleSheets.length; S++){

if (document.styleSheets[S]['rules']) {
  cssRules = 'rules';
 } else if (document.styleSheets[S]['cssRules']) {
  cssRules = 'cssRules';
 } else {
  //no rules found... browser unknown
 }

  for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) {
   if (document.styleSheets[S][cssRules][R].selectorText == theClass) {
	if(document.styleSheets[S][cssRules][R].style[element]){
	document.styleSheets[S][cssRules][R].style[element] = value;
	added=true;
	break;
	}
   }
  }
  if(!added){
  if(document.styleSheets[S].insertRule){
		  document.styleSheets[S].insertRule(theClass+' { '+element+': '+value+'; }',document.styleSheets[S][cssRules].length);
		} else if (document.styleSheets[S].addRule) {
			document.styleSheets[S].addRule(theClass,element+': '+value+';');
		}
  }
 }
}

/*
 * Url preview script
 * powered by jQuery (http://www.jquery.com)
 *
 * written by Alen Grakalic (http://cssglobe.com)
 *
 * for more info visit http://cssglobe.com/post/1695/easiest-tooltip-and-image-preview-using-jquery
 *
 */

this.screenshotPreview = function(){
	/* CONFIG */

		xOffset = 10;
		yOffset = 30;

		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result

	/* END CONFIG */
	$("a.screenshot").hover(function(e){
		this.t = this.title;
		this.title = "";
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='screenshot'><img width='80px' src='"+ this.rel +"' alt='No thumb' />"+ c +"</p>");
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");
    },
	function(){
		this.title = this.t;
		$("#screenshot").remove();
    });
	$("a.screenshot").mousemove(function(e){
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});
};


// starting the script on page load
$(document).ready(function(){
	screenshotPreview();
});