var isIE = false;	

if (navigator.userAgent.indexOf('MSIE') > 0)
	isIE = true;

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toUTCString();
  }
  else var 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 fsize(size,unit,id){
  var vfontsize = document.getElementById(id);
  if(vfontsize){
    vfontsize.style.fontSize = size + unit;
    
    /*if (size >= 12)
        document.getElementById("ctl00_PrimaryNavList").style.fontSize = "12px";
    else
        document.getElementById("ctl00_PrimaryNavList").style.fontSize = size + unit;*/
        
    createCookie("textsizestyle", size, 365);
  }
}

function increaseFontSize(id)
{
  var vfontsize = document.getElementById(id);
  var cFontSize = vfontsize.style.fontSize.substring(0, vfontsize.style.fontSize.length-2);
  var newSize = parseInt(cFontSize)+1;
  if (newSize <= 16)
    fsize(newSize, "px", id);
    
   RepositionSecondaryNav()
}

function decreaseFontSize(id)
{
  var vfontsize = document.getElementById(id);
  var cFontSize = vfontsize.style.fontSize.substring(0, vfontsize.style.fontSize.length-2);
  var newSize = parseInt(cFontSize)-1;
  if (newSize >= 6)
    fsize(newSize, "px", id);
    
  RepositionSecondaryNav()
}

function ResizeColumns()
{
    var col1 = document.getElementById("LeftColumnContent");
    var col2 = document.getElementById("RightColumnContent");
    
    var col1Height = col1.offsetHeight;
    var col2Height = col2.offsetHeight;
    
    if (col1Height > col2Height)
        col2.style.height = col1Height-16 + "px";
        
    if(col2Height > col1Height)
        col1.style.height = col2Height-16 + "px";
}

function RepositionSecondaryNav()
{
    var mainContainer = document.getElementById("MainContainer");
    var primaryNav = document.getElementById("ctl00_ctl00_primaryNav_PrimaryNavList");
    var list = primaryNav.getElementsByTagName("li");
    
    var mainLeftOffset = mainContainer.offsetLeft;
    var mainWidth = mainContainer.offsetWidth;
    
    for(i = 0;i<list.length-1;i++)
    {
        if (list[i].className == "active")
        {
            var secondaryNav = document.getElementById("ctl00_SecondaryNavWrapper");
            
            if (secondaryNav)
                secondaryNav.style.paddingLeft = findPosX(list[i]) - findPosX(mainContainer) - 5 + "px";
        }
    }
}

function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }