function setFontByTag(e, v) {
	var elements = document.getElementsByTagName(e);
	for(var i = 0; i < elements.length; i++) {
		elements.item(i).style['fontSize'] = v;
		}
	}
	
function createCookie(name, value, days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameFS = 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(nameFS) == 0) return c.substring(nameFS.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}

var fontSizes = new Array('11px', '13px');

function changeSize(inc) {
		 var si = 1;
		 if(readCookie('fs')) { si = parseInt(readCookie('fs')); }
		 if (!document.getElementsByTagName) {return false;}
		 if (inc == '1') { 
		 		 si+=1;
		 		 if (si>1) si=1;
		 }
		 else if (inc == '-1') { 
		 		 si-=1;
		 		 if (si<0) si=0;
		 }
		 setFontByTag('body', fontSizes[si]);
		 setFontByTag('input', fontSizes[si]);
		 setFontByTag('textarea', fontSizes[si]);
		 setFontByTag('select', fontSizes[si]);
		 setFontByTag('td', fontSizes[si]);
		 setFontByTag('th', fontSizes[si]);
		 		 
		 createCookie('fs',si,30);
}
		 
function fontsizeInit() {
		 if(readCookie('fs')) { var si = parseInt(readCookie('fs')); }
		 if (!document.getElementsByTagName) {return false;}
		 setFontByTag('body', fontSizes[si]);
		 setFontByTag('input', fontSizes[si]);
		 setFontByTag('textarea', fontSizes[si]);
		 setFontByTag('select', fontSizes[si]);
		 setFontByTag('td', fontSizes[si]);
		 setFontByTag('th', fontSizes[si]);
}
		 
function resetSize() {
		 setFontByTag('body', fontSizes[si]);
		 setFontByTag('input', fontSizes[si]);
		 setFontByTag('textarea', fontSizes[si]);
		 setFontByTag('select', fontSizes[si]);
		 setFontByTag('td', fontSizes[si]);
		 setFontByTag('th', fontSizes[si]);
		 eraseCookie('fs');
}

function GetElement(sElementName) {
		var oElement;
		if (document.getElementById) {
		oElement = document.getElementById(sElementName);
		} 
		else if (document.all) {
			oElement = document.all(sElementName);
		} 
		else {
			return null;
		}
			return oElement;
	} 
	
function GetDate()
{  
  var date = new Date();
  var d  = date.getDate();
  var day = (d < 10) ? '0' + d : d;
  var m = date.getMonth() + 1;
  var month = (m < 10) ? '0' + m : m;
  var yy = date.getYear();
  var year = (yy < 1000) ? yy + 1900 : yy;

  return day + "." + month + "." + year
}

function GetTime()
{
  var a_p = "";
  var d = new Date();
  var curr_hour = d.getHours();

  var curr_min = d.getMinutes();

  curr_min = curr_min + "";

  if (curr_min.length == 1)
     {
     curr_min = "0" + curr_min;
     }
  return curr_hour + " : " + curr_min;
}

function GetDayOfWeek()
{
var this_weekday_name_array = new Array("Sunnudagur","Mánudagur","Þriðjudagur","Miðvikudagur","Fimmtudagur","Föstudagur","Laugardagur")	//predefine weekday names

var this_date_timestamp=new Date()	//get current day-time stamp

var this_weekday = this_date_timestamp.getDay()	//extract weekday
var this_date = this_date_timestamp.getDate()	//extract day of month
var this_month = this_date_timestamp.getMonth()	//extract month
var this_year = this_date_timestamp.getYear()	//extract year

if (this_year < 1000)
	this_year+= 1900;	//fix Y2K problem
if (this_year==101)
	this_year=2001;		//fix Netscape browsers - it displays the year as being the year 101!

return this_date_string = this_weekday_name_array[this_weekday];
}