var atl_chi_targetDiv;
var atl_chi_siteUrl;
var atl_chi_cachedFlag;
var atl_chi_is_ie6under;
var atl_chi_styles_id = 'atlInsertStyles';
var atl_chi_script_id = 'atlChiCartHeaderInsert';
var atl_chi_curchanged = false;
var atl_chi_skipshow = false;
var atl_chi_querystring = '';

function atlChiShowElement(elmID) {
  for(i = 0; i < document.getElementsByTagName( elmID ).length; i++) {
    obj = document.getElementsByTagName(elmID)[i];
    if(!obj || !obj.offsetParent) continue;
		if (is_ie&&(obj.readyState==4)&&(obj.tagName.toUpperCase()=='OBJECT')) continue;
    obj.style.visibility = '';
  }
}

function atlChiHideElement(elmID, overDiv ) {
  for(i = 0; i < document.getElementsByTagName( elmID ).length; i++) {
    obj = document.getElementsByTagName( elmID )[i];
    if(!obj || !obj.offsetParent) continue;
    // Find the element's offsetTop and offsetLeft relative to the BODY tag.
    objLeft   = obj.offsetLeft - overDiv.offsetParent.offsetLeft;
    objTop    = obj.offsetTop;
    objParent = obj.offsetParent;
    while((objParent.tagName.toUpperCase() != 'BODY')&&(objParent.tagName.toUpperCase() != 'HTML')){
      objLeft  += objParent.offsetLeft;
      objTop   += objParent.offsetTop;
      objParent = objParent.offsetParent;}
    objHeight = obj.offsetHeight;
    objWidth  = obj.offsetWidth;
    if((overDiv.offsetLeft + overDiv.offsetWidth) <= objLeft);
    else if((overDiv.offsetParent.offsetTop + overDiv.offsetHeight + 20) <= objTop);
    else if(overDiv.offsetParent.offsetTop >= eval(objTop + objHeight));
    else if(overDiv.offsetLeft >= eval(objLeft + objWidth));
    else {
      obj.style.visibility = 'hidden';
    }
  }	    
}

function atlChiInitializeEx(targetDiv, siteUrl, queryString) {
    atl_chi_querystring = queryString;
    atlChiInitialize(targetDiv, siteUrl);
}

function atlChiInitialize(targetDiv, siteUrl) {
	atl_chi_siteUrl = siteUrl;
	atl_chi_targetDiv = targetDiv;
	atl_chi_cachedFlag = false;
	var agt=navigator.userAgent.toLowerCase();
	var is_safari = agt.indexOf("safari")!=-1;
	var is_ie = agt.indexOf("msie")!=-1;
	var is_ie6under = false;
	if (is_ie) {
		atl_chi_is_ie6under = (agt.indexOf("msie 6")!=-1 || agt.indexOf("msie 5")!=-1 || agt.indexOf("msie 4")!=-1);
	}
}

function atlChiFindChildNode(node, findId) {
	var existingNode = null;
	if (node.hasChildNodes) {
		var currentNode = node.firstChild;
		while (currentNode != null) {
			if (currentNode.id == findId) {
				existingNode = currentNode;
				break;
			}
			currentNode = currentNode.nextSibling;
		}
	}
	return existingNode;
}

function atlChiClearCache(){
	atl_chi_cachedFlag = false;
}

function atlChiShowInt() {
	if (atl_chi_targetDiv != null) {
		if (atl_chi_is_ie6under) {
			atlChiHideElement('SELECT', atl_chi_targetDiv);
		}
		atl_chi_targetDiv.style.display = 'block';
	}
}

function atlChiShow(currency){
	if (atl_chi_cachedFlag == true){
		atlChiShowInt();
	}
	else {
		atlChiCallForContent(currency);
	}
}

function atlChiCallForContent(currency){
	var request = atl_chi_siteUrl + "Cart/CartHeaderInsert.aspx";
  if (atl_chi_querystring.length == 0) {
      request = request + "?callback=atlChiFillDiv";
  }
  else {
      request = request + atl_chi_querystring + "&callback=atlChiFillDiv";
  }
	
	if ((currency != null) && (currency != '')) {
		request = request + "&currencyType=" + currency;
    }
	
	var head = document.getElementsByTagName("head").item(0);
	var existingNode = atlChiFindChildNode(head, atl_chi_script_id);	
	
	var script = document.createElement("script");
	script.setAttribute("id", atl_chi_script_id);
	script.setAttribute("type", "text/javascript");
	script.setAttribute("language", "javascript");
	script.setAttribute("src", request);
	
	if (existingNode != null) {
	    head.replaceChild(script, existingNode);
	}
	else {
	    head.appendChild(script);
	}
}

function atlChiFillDiv(cartData) {
	if ((cartData != null) && (atl_chi_targetDiv != null)) {
		if (cartData.StyleSheet.length > 0)
		{
			var head = document.getElementsByTagName("head").item(0);
			var existingNode = atlChiFindChildNode(head, atl_chi_styles_id);	
			if (existingNode == null) {
				var csslink = document.createElement("link");
				csslink.setAttribute("id", atl_chi_styles_id);
				csslink.setAttribute("type", "text/css");
				csslink.setAttribute("rel", "stylesheet");
				csslink.setAttribute("href", cartData.StyleSheet);
				csslink.setAttribute("media", "screen");
				head.appendChild(csslink);
			}
		}
		atl_chi_targetDiv.innerHTML = cartData.Html;
		atl_chi_cachedFlag = true;
		
		if (!atl_chi_skipshow)
		  atlChiShowInt();
	}
}

function atlChiClose() {
  atl_chi_skipshow = false;
	if (atl_chi_targetDiv != null) {
		atl_chi_targetDiv.style.display = 'none';
		if (atl_chi_is_ie6under) {
			atlChiShowElement('SELECT');
        }
        if (atl_chi_curchanged) {
            var r1 = new RegExp("[&|?]currencytype=[^&]*", "i");
            var redirect = window.location.href.replace(r1, '');
            var r2 = new RegExp("#.*", "");
            redirect = redirect.replace(r2, '');
            window.location.href = redirect;
        }
    }
}

function atlChiGoToUrl(url) {
	window.location = url;
}

function atlChiChangeCurrency(currencySelectId, suffix) {
    var currencySelect = document.getElementById(currencySelectId);
    var selectedCurrency = currencySelect.options[currencySelect.selectedIndex].value;
    var currencyCookieName = 'currency' + suffix;
    atlChiSetCookie(currencyCookieName, 'potableSourceStr=' + selectedCurrency);
    atl_chi_curchanged = true;
    if (window.sync_inapp) {
        if (sync_inapp != 'gdtv') {
            syncPushCurrency(selectedCurrency);
        }
    }
    atl_chi_skipshow = true;
    atlChiCallForContent(selectedCurrency);
}

function atlChiCookieDomain() {
    var hname = window.location.hostname;
    var tldstart = hname.lastIndexOf('.');
    if (tldstart < 0) {
        return '.' + hname;
    }
    else {
        var dname = '';
        if (hname.lastIndexOf('.', tldstart - 1) > -1) {
            dname = hname.substr(hname.lastIndexOf('.', tldstart - 1));
        }
        else {
            dname = '.' + hname;
        }
        return dname;
    }
}

function atlChiSetCookie(name, value) {
    var currentDT = new Date();
    var expires = new Date(Date.parse(currentDT.getDay() + "/" + currentDT.getMonth() + "/" + (currentDT.getFullYear() + 1)));
    var curCookie = name + "=" + value +
      "; expires=" + expires.toGMTString() + "; path=/; domain=" + atlChiCookieDomain();
    document.cookie = curCookie;
}