//sets the active stylesheet
function setActiveStyleSheet(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") == "standard") a.disabled = false;
       if(a.getAttribute("title") == title) a.disabled = false;
       createCookie("style", title, 10);
     }
   }

	//set defaults
	if(document.getElementById("imgS") != null)		
	{
		document.getElementById("imgM").src = "../ImageFiles/resizeM.gif";
		document.getElementById("imgL").src = "../ImageFiles/resizeL.gif";
		
		if(title == "standard")
		{
			document.imgS.src = "../ImageFiles/resizeSS.gif";
		}
		if(title == "text2")
		{
			document.getElementById("imgM").src = "../ImageFiles/resizeMS.gif";
			document.getElementById("imgS").src = "../ImageFiles/resizeS.gif";
		}
		if(title == "text3")
		{
			document.getElementById("imgL").src = "../ImageFiles/resizeLS.gif";
			document.getElementById("imgS").src = "../ImageFiles/resizeS.gif";
		}
	}
}

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 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;
}

function createCookie(name,value,minutes) {
  if (minutes) {
    var date = new Date();
    date.setTime(date.getTime()+(minutes*60*1000));
    //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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  if(cookie == null) cookie = "standard";
  setActiveStyleSheet(cookie);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  //createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
//setActiveStyleSheet(title);

//opens a print window
function PrintThisPage(lan) 
{
	var pageTitle = document.title;
	var sOption="toolbar=no,location=no,directories=no,menubar=no,"; 
		sOption+="scrollbars=yes,width=750,height=600,left=100,top=25,resizable=1"; 

	var sWinHTML = document.getElementById('content').innerHTML; 
		
	var winprint=window.open("","",sOption); 
	winprint.document.open(); 
	winprint.document.write("<html><head>");
	winprint.document.write("<title>" + pageTitle + "</title>");
	winprint.document.write("<link href='../Styles/print.css' rel='Stylesheet'>");
	winprint.document.write("<script language=\"javascript\">window.onbeforeprint = function(){	 var links = document.getElementsByTagName(\"a\");  for (var i=0; i< links.length; i++)	{  var theContent = links[i].getAttribute(\"href\");  if (!theContent == \"\"){  links[i].newContent = \" [\" + theContent + \"] \";  links[i].innerHTML = links[i].innerHTML + links[i].newContent;}}}</script>");
	winprint.document.write("<script language=\"javascript\">window.onafterprint = function(){  var links = document.getElementsByTagName(\"a\");  for (var i=0; i< links.length; i++){  theContent = links[i].innerHTML;  var theBracket = theContent.indexOf(links[i].newContent);  var newContent = theContent.substring(0, theBracket);  links[i].innerHTML = newContent;}}</script></head><body>");
	if(lan == 0)
	{
		winprint.document.write("<div id='clickPrint'><a href='javascript:window.print();'>Click here to print</a></div>");
		winprint.document.write("<div id='printHeader'><img alt='AIDSInfo logo' src='../ImageFiles/aidsinfo_print.gif'></div>"); 
	}
	else
	{
		winprint.document.write("<div id='clickPrint'><a href='javascript:window.print();'>Haga clic aqu&#237; para imprimir</a></div>");
		winprint.document.write("<div id='printHeader'><img alt='infoSIDA logo' src='../ImageFiles/infosida_print.gif'></div>"); 
	}
	winprint.document.write(sWinHTML);
	winprint.document.write('</body></html>');
	winprint.document.close(); 
	winprint.focus(); 
}