/**************************************************************************************************************************/
// RESIZE TEXT
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") == title) a.disabled = false;
    }
  }
}
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,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;
}

/**************************************************************************************************************************/
// MAKE EQUAL HEIGHT DIVS
// Three column version
function fixColHeight() {
  if (document.getElementById("leftCol") || document.getElementById("midCol") || document.getElementById("rightCol")) {
    var lc = document.getElementById("leftCol");
    var mc = document.getElementById("midCol");
    var rc = document.getElementById("rightCol");
    var lowestPart = Math.max((lc.offsetTop+lc.offsetHeight), (mc.offsetTop+mc.offsetHeight), (rc.offsetTop+rc.offsetHeight)); 
    lc.style.height = lowestPart-lc.offsetTop-16+"px";
    mc.style.height = lowestPart-mc.offsetTop-16+"px";
    rc.style.height = lowestPart-rc.offsetTop-16+"px";
  }
}
// Two column version (used by Country Cousins)
function fixH(one,two) {
  if (document.getElementById(one) && document.getElementById(two)) {
  var lh=document.getElementById(one).offsetHeight;
  var rh=document.getElementById(two).offsetHeight;
  var nh = Math.max(lh, rh); 
  document.getElementById(one).style.height=nh+"px";
  document.getElementById(two).style.height=nh+"px";
  }
}

/**************************************************************************************************************************/
// OPACITY
function opacity(id, opacStart, opacEnd, secs) { 
  speed = Math.round(secs * 10) //speed for each frame
  timer = 0
  if(opacStart > opacEnd) { //determine the direction for the blending
  for(i = opacStart; i >= opacEnd; i--) { 
    setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
    timer++; 
  }
  } else if(opacStart < opacEnd) { 
    for(i = opacStart; i <= opacEnd; i++) 
      { 
      setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
      timer++; 
    }
	//document.getElementById(id).style.filter = "none"
  }
}
//change the opacity for different browsers (by id)
function changeOpac(opacity, id) { 
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100); 
	object.MozOpacity = (opacity / 100); 
	object.KhtmlOpacity = (opacity / 100); 
	object.filter = "alpha(opacity=" + opacity + ")"; 
}

/**************************************************************************************************************************/
// FORMS
function validate_required(field,alerttxt) {
  with (field) {
    if (value==null||value=="") {alert(alerttxt);return false} else {return true}}
}

/**************************************************************************************************************************/
// COOKIES
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 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 eraseCookie(name) {
	createCookie(name,"",-1);
}

/**************************************************************************************************************************/
// OTHERS
function addToFaves(){
	var is_4up = parseInt(navigator.appVersion);
	var is_mac   = navigator.userAgent.toLowerCase().indexOf('mac')!=-1;
	var is_ie   = navigator.userAgent.toLowerCase().indexOf('msie')!=-1;
	var thePage = location.href;
	if (thePage.lastIndexOf('#')!=-1)
		thePage = thePage.substring(0,thePage.lastIndexOf('#'));
	if (is_ie && is_4up && !is_mac) 
		window.external.AddFavorite(thePage,document.title);
	else if (is_ie || document.images)
		booker_hp = window.open(thePage,'booker_','menubar,width=325,height=100,left=140,top=60');
	//booker_hp.focus();
}