prepPDF = function() {
  /*var w = document.getElementById("w");*/
  var links = document.getElementsByTagName("a");
  for (i=0; i<links.length; i++) {
    var currentLink = links[i];
    var images = currentLink.getElementsByTagName("img");
    /*Check if the link is an image (we don't want icons next to images) and that ".pdf" appears in the link href.*/
    if (images.length == 0) {
	if (currentLink.href.toLowerCase().indexOf('.pdf') != -1) {
      var curClass = currentLink.getAttribute("class");
      if (curClass != null) { currentLink.className = curClass + " pdf"; }
      else { currentLink.className = "pdf"; }
    }
	if (currentLink.href.toLowerCase().indexOf('.doc') != -1) {
      var curClass = currentLink.getAttribute("class");
      if (curClass != null) { currentLink.className = curClass + " doc"; }
      else { currentLink.className = "doc"; }
    }
	if (currentLink.href.toLowerCase().indexOf('.xls') != -1) {
      var curClass = currentLink.getAttribute("class");
      if (curClass != null) { currentLink.className = curClass + " xls"; }
      else { currentLink.className = "xls"; }
    }
	if (currentLink.href.toLowerCase().indexOf('.ppt') != -1) {
      var curClass = currentLink.getAttribute("class");
      if (curClass != null) { currentLink.className = curClass + " ppt"; }
      else { currentLink.className = "ppt"; }
    }
	if (currentLink.href.toLowerCase().indexOf('.zip') != -1) {
      var curClass = currentLink.getAttribute("class");
      if (curClass != null) { currentLink.className = curClass + " zip"; }
      else { currentLink.className = "zip"; }
    }
	}
  }
}
window.onload = function() {
prepPDF();
}

var tamdefecto = 'tamano2';

function setEstilo(tam)
{
	crearCookie("tam", tam, 48);
	document.getElementById('tam').href = '/mod/' + tam + '.css';
	document.getElementById('tam').disabled = false
}

function cambiartamanio(valor,grabarcookie)
{
	var cookie
	cookie = leeCookie("tam");
	var tam = cookie ? cookie : tamdefecto;

	if (valor == '+')
	{
		switch ( tam ) {  
			case 'tamano1' :  
			{ tam = 'tamano2' }
			break; 
			case 'tamano2' :  
			{ tam = 'tamano3' }
			break; 
			case 'tamano3' :  
			{ tam = 'tamano4' }
			break; 
			case 'tamano4' :  
			{ tam = 'tamano5' }
			break; 

		 }  
	}
	else
	{
		if (valor == '-')
		{
			switch ( tam ) {  
				case 'tamano2' :  
				{ tam = 'tamano1' }
				break; 
				case 'tamano3' :  
				{ tam = 'tamano2' }
				break; 
				case 'tamano4' :  
				{ tam = 'tamano3' }
				break; 
				case 'tamano5' :  
				{ tam = 'tamano4' }
				break; 
			}
		}
	}
	document.getElementById('tam').href = '/mod/' + tam + '.css';
    document.getElementById('tam').disabled = false
	if (grabarcookie == 1)
	{
		crearCookie("tam", tam, 48);
	}
	else
	{
		crearCookie("tam", tam, 1);
	}
}

function setDefecto()
{
	crearCookie("tam", tamdefecto, 48);
	document.getElementById('tam').disabled = true
	document.getElementById('tam').href = '/mod/' + tamdefecto + '.css';
	document.getElementById('tam').disabled = false;
}

function crearCookie(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+" domain=www.bahiablanca.gov.ar; path=/";
// document.cookie = name+"="+value+expires+" path=/";
//document.cookie = name+"="+value+expires;
}

function leeCookie(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;
}


var cookie = leeCookie('tam');
var tam = cookie ? cookie : tamdefecto;
setEstilo(tam);