// Pagetop
function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}

// Rollover

function initRollovers() {
	if (!document.getElementById) {return;}
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_over'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			};	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) {
                    sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
                }
				this.setAttribute('src', sTempSrc);
			};
		}
	}
}

window.onload = initRollovers;


// open
function facInfoOpen(clickObj){
   var parentObj = clickObj.parentNode;
   for (var i = 0,len = parentObj.childNodes.length ; i < len ; i = i + 1){
      if (parentObj.childNodes[i].className == 'facInfo'){
         var toObj = parentObj.childNodes[i];
         if (toObj.style.display == 'none' || !toObj.style.display){
            toObj.style.display = 'block';
			parentObj.className = parentObj.className + ' close';
         }else if (toObj.style.display == 'block'){
            toObj.style.display = 'none';
            parentObj.className = 'facBox';
         }
      }
   }
}
// close
function facInfoClose(clickObj){
   var parentObj = clickObj.parentNode;
   while (parentObj.className != 'facInfo'){
      parentObj = parentObj.parentNode;
   }
   parentObj.style.display = 'none';
   var listObj = parentObj.parentNode;
   listObj.className = 'facBox';
}




// faq open
function faq_AOpen(clickObj){
   var parentObj = clickObj.parentNode;
   for (var i = 0,len = parentObj.childNodes.length ; i < len ; i = i + 1){
      if (parentObj.childNodes[i].className == 'faq_A'){
         var toObj = parentObj.childNodes[i];
         if (toObj.style.display == 'none' || !toObj.style.display){
            toObj.style.display = 'block';
			parentObj.className = parentObj.className + ' close';
         }else if (toObj.style.display == 'block'){
            toObj.style.display = 'none';
            parentObj.className = 'faqBox';
         }
      }
   }
}
// close
function faq_AClose(clickObj){
   var parentObj = clickObj.parentNode;
   while (parentObj.className != 'faq_A'){
      parentObj = parentObj.parentNode;
   }
   parentObj.style.display = 'none';
   var listObj = parentObj.parentNode;
   listObj.className = 'faqBox';
}





/*
 * IE PNG Fix v1.4
 *
 * Copyright (c) 2006 Takashi Aida http://www.isella.com/aod2/
 *
 */

// IE5.5+ PNG Alpha Fix v1.0RC4
// (c) 2004-2005 Angus Turnbull http://www.twinhelix.com

// This is licensed under the CC-GNU LGPL, version 2.1 or later.
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/

if (typeof IEPNGFIX == 'undefined') {
//--============================================================================

var IEPNGFIX = {
	blank:  'http://www.isella.com/aod2/images/blank.gif',
	filter: 'DXImageTransform.Microsoft.AlphaImageLoader',

	fixit: function (elem, src, method) {
		if (elem.filters[this.filter]) {
			var filter = elem.filters[this.filter];
			filter.enabled = true;
			filter.src = src;
			filter.sizingMethod = method;
		}
		else {
			elem.style.filter = 'progid:' + this.filter +
				'(src="' + src + '",sizingMethod="' + method + '")';
		}
	},

	fixwidth: function(elem) {
		if (elem.currentStyle.width == 'auto' &&
			elem.currentStyle.height == 'auto') {
			elem.style.width = elem.offsetWidth + 'px';
		}
	},

	fixchild: function(elem, recursive) {
		if (!/MSIE (5\.5|6\.|7\.)/.test(navigator.userAgent)) {return;}

		for (var i = 0, n = elem.childNodes.length; i < n; i++) {
			var childNode = elem.childNodes[i];
			if (childNode.style) {
				if (childNode.style.position) {
					childNode.style.position = childNode.style.position;
				}
				else {
					childNode.style.position = 'relative';
				}
			}
			if (recursive && childNode.hasChildNodes()) {
				this.fixchild(childNode, recursive);
			}
		}
	},

	fix: function(elem) {
		if (!/MSIE (5\.5|6\.|7\.)/.test(navigator.userAgent)) {return;}

		var bgImg =
			elem.currentStyle.backgroundImage || elem.style.backgroundImage;

		if (elem.tagName == 'IMG') {
			if ((/\.png$/i).test(elem.src)) {
				this.fixwidth(elem);
				this.fixit(elem, elem.src, 'scale');
				elem.src = this.blank;
				elem.runtimeStyle.behavior = 'none';
			}
		}
		else if (bgImg && bgImg != 'none') {
			if (bgImg.match(/^url[("']+(.*\.png)[)"']+$/i)) {
				var s = RegExp.$1;
				this.fixwidth(elem);
				elem.style.backgroundImage = 'none';
				this.fixit(elem, s, 'scale'); // crop | image | scale

				if (elem.tagName == 'A' && elem.style) {
					if (!elem.style.cursor) {
						elem.style.cursor = 'pointer';
					}
				}

				this.fixchild(elem);
				elem.runtimeStyle.behavior = 'none';
			}
		}
	},

	hover: function(elem, hvImg) {
		var bgImg = elem.style.backgroundImage;

		if (!bgImg && elem.currentStyle) {
            bgImg = elem.currentStyle.backgroundImage;
        }

		if (elem.tagName == 'IMG' && hvImg) {
			var image = elem.src;
			elem.onmouseover = function() {
				elem.src = hvImg;
				IEPNGFIX.fix(elem);
			};
			elem.onmouseout = function() {
				elem.src = image;
				IEPNGFIX.fix(elem);
			};
		}
		else if (bgImg && bgImg != 'none' && hvImg) {
			elem.onmouseover = function() {
				elem.style.backgroundImage = 'url(' + hvImg + ')';
				IEPNGFIX.fix(elem);
			};
			elem.onmouseout = function() {
				elem.style.backgroundImage = bgImg;
				IEPNGFIX.fix(elem);
			};
		}

		IEPNGFIX.fix(elem);
	}
};

//--============================================================================
} // end if (typeof IEPNGFIX == 'undefined')