var region_clicked = false;
var imgstr = "";

function clear_sel() {
document.getElementById("region_destinations").innerHTML=' ';
}

function region_show(thisregion_index, thisregion)
{
	if (thisregion_index > 0)
	{
		document.getElementById("region_title").selectedIndex = thisregion_index;
	}
	var regionstr = eval("str_" + thisregion);
	document.getElementById("region_destinations").innerHTML = regionstr;
	imgstr = "img/region_" + thisregion + ".png";
	document.getElementById("nama").style.backgroundImage = "";
	document.getElementById("sama").style.backgroundImage = "";
	document.getElementById("euro").style.backgroundImage = "";
	document.getElementById("afri").style.backgroundImage = "";
	document.getElementById("asia").style.backgroundImage = "";
	document.getElementById("aust").style.backgroundImage = "";
	document.getElementById(thisregion).style.backgroundImage = "url(" + imgstr + ")";
	region_clicked = true;
}

function region_descrip(thisregion_index, thisregion)
{
	if (region_clicked == false)
	{
		document.getElementById("region_title").selectedIndex = thisregion_index;
	}
}

function region_undescrip()
{
	if (region_clicked == false)
	{
		document.getElementById("region_title").selectedIndex = 0;
	}
}

function gothere(URL)
{
	if (URL != "") 
	{
		top.location.href = 'destination.php?country_code=' + URL;
	}
}


function val_dirsearch() {
var failed = false;
var searchstr = document.directory.searchstr.value;
if ((searchstr.length < 2) || (searchstr.length > 64)){
	failed = true;
}
if (failed == false){
	document.directory.submit();
		}
}

function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		if (limitCount) {
			limitCount.value = limitNum - limitField.value.length;
		}
	}
}

function val_newlist() {
errormsg = "All fields are required.";
var failed = false;
var title = document.listco.title.value;
var url = document.listco.url.value;
var valid_cats = 0;
var valid_dests = 0;
var description = document.listco.description.value;
var phone = document.listco.phone.value;
var target_bias = document.listco.target_bias.value;
var url_check = url.indexOf('.',0);
if ((title.length < 4) || (title.length > 64)){
	errormsg = "Please enter a website name/title of up to 64 characters.";
	failed = true;
}
if ((url.length < 6) || (url.length > 64) || (url_check == -1)){
	errormsg = "Please enter a valid URL.";
	failed = true;
}
if ((description.length < 10) || (description.length > 256)){
	errormsg = "Please enter a description.";
	failed = true;
}
if ((phone.length < 6) || (phone.length > 32)){
	errormsg = "Please enter a valid phone number.";
	failed = true;
}
if (target_bias.length != 2) {
	errormsg = "Please select a target audience.";
	failed = true;
}
if (failed == false)
	{
	document.listco.submit();
	} else {
	alert(errormsg);
	}
}


function slide(src,link,text,target,attr) {
  this.src = src;
  this.link = link;
  this.text = text;
  this.target = target;
  this.attr = attr;
  if (document.images) {
    this.image = new Image();
  }
  this.loaded = false;
  this.load = function() {
    if (!document.images) { return; }

    if (!this.loaded) {
      this.image.src = this.src;
      this.loaded = true;
    }
  }
  this.hotlink = function() {
    var mywindow;
    if (!this.link) return;
    if (this.target) {
      if (this.attr) {
        mywindow = window.open(this.link, this.target, this.attr);
      } else {
        mywindow = window.open(this.link, this.target);
      }
      if (mywindow && mywindow.focus) mywindow.focus();
    } else {
      location.href = this.link;
    }
  }
}

function slideshow( slideshowname ) {
  this.name = slideshowname;
  this.repeat = true;
  this.prefetch = -1;
  this.image;
  this.textid;
  this.textarea;
  this.timeout = 3000;
  this.slides = new Array();
  this.current = 0;
  this.timeoutid = 0;
  this.add_slide = function(slide) {
    var i = this.slides.length;
    if (this.prefetch == -1) {
      slide.load();
    }
    this.slides[i] = slide;
  }
  this.play = function(timeout) {
    this.pause();
    if (timeout) {
      this.timeout = timeout;
    }
    if (typeof this.slides[ this.current ].timeout != 'undefined') {
      timeout = this.slides[ this.current ].timeout;
    } else {
      timeout = this.timeout;
    }
    this.timeoutid = setTimeout( this.name + ".loop()", timeout);
  }
  this.pause = function() {
    if (this.timeoutid != 0) {
      clearTimeout(this.timeoutid);
      this.timeoutid = 0;

    }
  }
  this.update = function() {
    if (! this.valid_image()) { return; }
    if (typeof this.pre_update_hook == 'function') {
      this.pre_update_hook();
    }
    var slide = this.slides[ this.current ];
    var dofilter = false;
    if (this.image &&
        typeof this.image.filters != 'undefined' &&
        typeof this.image.filters[0] != 'undefined') {
      dofilter = true;

    }
    slide.load();
    if (dofilter) {
      if (slide.filter &&
          this.image.style &&
          this.image.style.filter) {

        this.image.style.filter = slide.filter;

      }
      this.image.filters[0].Apply();
    }
    this.image.src = slide.image.src;
    if (dofilter) {
      this.image.filters[0].Play();
    }
    this.display_text();
    if (typeof this.post_update_hook == 'function') {
      this.post_update_hook();
    }
    if (this.prefetch > 0) {
      var next, prev, count;
      next = this.current;
      prev = this.current;
      count = 0;
      do {
        if (++next >= this.slides.length) next = 0;
        if (--prev < 0) prev = this.slides.length - 1;
        this.slides[next].load();
        this.slides[prev].load();
      } while (++count < this.prefetch);
    }
  }
  this.goto_slide = function(n) {
    if (n == -1) {
      n = this.slides.length - 1;
    }
    if (n < this.slides.length && n >= 0) {
      this.current = n;
    }
    this.update();
  }
  this.goto_random_slide = function(include_current) {
    var i;
    if (this.slides.length > 1) {
      do {
        i = Math.floor(Math.random()*this.slides.length);
      } while (i == this.current);
      this.goto_slide(i);
    }
  }
  this.next = function() {
    if (this.current < this.slides.length - 1) {
      this.current++;
    } else if (this.repeat) {
      this.current = 0;
    }
    this.update();
  }
  this.previous = function() {
    if (this.current > 0) {
      this.current--;
    } else if (this.repeat) {
      this.current = this.slides.length - 1;
    }
    this.update();
  }
  this.shuffle = function() {
    var i, i2, slides_copy, slides_randomized;
    slides_copy = new Array();
    for (i = 0; i < this.slides.length; i++) {
      slides_copy[i] = this.slides[i];
    }
    slides_randomized = new Array();
    do {
      i = Math.floor(Math.random()*slides_copy.length);
      slides_randomized[ slides_randomized.length ] =
        slides_copy[i];
      for (i2 = i + 1; i2 < slides_copy.length; i2++) {
        slides_copy[i2 - 1] = slides_copy[i2];
      }
      slides_copy.length--;
    } while (slides_copy.length);
    this.slides = slides_randomized;
  }
  this.get_text = function() {
    return(this.slides[ this.current ].text);
  }
  this.get_all_text = function(before_slide, after_slide) {
    all_text = "";
    for (i=0; i < this.slides.length; i++) {
		slide = this.slides[i];
       if (slide.text) {
        all_text += before_slide + slide.text + after_slide;
      }
     }
    return(all_text);
  }
  this.display_text = function(text) {
    if (!text) {
      text = this.slides[ this.current ].text;
    }
    if (this.textarea && typeof this.textarea.value != 'undefined') {
      this.textarea.value = text;
    }
    if (this.textid) {
      r = this.getElementById(this.textid);
      if (!r) { return false; }
      if (typeof r.innerHTML == 'undefined') { return false; }
      r.innerHTML = text;
    }
  }
  this.hotlink = function() {
    this.slides[ this.current ].hotlink();
  }
  this.save_position = function(cookiename) {
    if (!cookiename) {
      cookiename = this.name + '_slideshow';
    }
     document.cookie = cookiename + '=' + this.current;
  }
  this.restore_position = function(cookiename) {
    if (!cookiename) {
      cookiename = this.name + '_slideshow';
    }
     var search = cookiename + "=";
  
    if (document.cookie.length > 0) {
      offset = document.cookie.indexOf(search);
      if (offset != -1) { 
        offset += search.length;
        end = document.cookie.indexOf(";", offset);
        if (end == -1) end = document.cookie.length;
        this.current = parseInt(unescape(document.cookie.substring(offset, end)));
        }
     }
  }
  this.noscript = function() {
    $html = "\n";
    for (i=0; i < this.slides.length; i++) {
      slide = this.slides[i];
      $html += '<P>';
      if (slide.link) {
        $html += '<a href="' + slide.link + '">';
      }
      $html += '<img src="' + slide.src + '" ALT="slideshow image">';
      if (slide.link) {
        $html += "<\/a>";
      }
      if (slide.text) {
        $html += "<BR>\n" + slide.text;
      }
      $html += "<\/P>" + "\n\n";
    }
    $html = $html.replace(/\&/g, "&amp;" );
    $html = $html.replace(/</g, "&lt;" );
    $html = $html.replace(/>/g, "&gt;" );
    return('<pre>' + $html + '</pre>');
  }
  this.loop = function() {
    if (this.current < this.slides.length - 1) {
      next_slide = this.slides[this.current + 1];
      if (next_slide.image.complete == null || next_slide.image.complete) {
        this.next();
      }
    } else { 
      this.next();
    }
    this.play( );
  }
  this.valid_image = function() {
    if (!this.image)
    {
      return false;
    }
    else {
      return true;
    }
  }
  this.getElementById = function(element_id) {
    if (document.getElementById) {
      return document.getElementById(element_id);
    }
    else if (document.all) {
      return document.all[element_id];
    }
    else if (document.layers) {
      return document.layers[element_id];
    } else {
      return undefined;
    }
  }
}