/**
 * @author mryan
 * 
 * JavaScript Utility File for Magnetic.
 * 
 */

var MagneticUtil = new Object();
	
MagneticUtil.gid = function(theID)
{
	return document.getElementById(theID);
}

MagneticUtil.gtag = function(theTag)
{
	return document.getElementsByTagName(theTag);
}

MagneticUtil.gname = function(theName)
{
	return document.getElementsByName(theName);
}

MagneticUtil.setActiveStyleSheet = function(title)
{	
	var i, a, main;
	
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) 
	{		
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title"))
		{					
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
    	}		
	}	
}
	
var mag = MagneticUtil;

/*
* author: [schubboy]
* Taken from AListApart.com
*/

function getActiveStyleSheet() {
var i, a;
 for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if(a.getAttribute("rel").indexOf("style") != -1
  && a.getAttribute("title")
  && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

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 expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(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 getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;

}