function replace(string,text,by) {
    // Replaces text with by in string
    var i = string.indexOf(text), newstr = '';
    if ((!i) || (i == -1))
        return string;
    newstr += string.substring(0,i) + by;
    if (i+text.length < string.length) newstr += replace(string.substring(i+text.length,string.length),text,by);
    return newstr;
}

function split(string,text) {
    splitArray = string.split(text);
    splitIndex = splitArray.length;
}

var xid="";
var passed = replace(replace(location.search.substring(1),"+"," "),"=","&");
var splitIndex = 0, splitArray = new Object();
split(passed,'&');
function findXID() {
	for (var i=0; i<splitIndex; i+=2) {
		var key = splitArray[i];
		var val = unescape( splitArray[i+1] );
		if (key == "xid" || key == "XID") {
			xid = val;
		}
	}
}

findXID();

function getQueryValue( inKey ) {
	for (var i=0; i<splitIndex; i+=2) {
		var key = splitArray[i];
		var val = unescape( splitArray[i+1] );
		(typeof val == "") ? val = "" : val = val;
		if (key.toLowerCase() == inKey.toLowerCase()) return val;	
	}
}

function populateForm( formName, hideError ) {
	for (var i=0; i<splitIndex; i+=2) {
		var key = splitArray[i];
		var val = unescape( splitArray[i+1] );
		if ( key.toUpperCase() == "CMP" || key.toUpperCase() == "M" || key.toUpperCase() == "MODE" ) continue;
		if (document.all) {
			if (key == "errmsg" && hideError != 1) {
				if (document.all.item("error") != null) {
					var msg = "Please correct all errors before continuing:\n\n"+val;
					alert(msg);
					document.all.item("error").innerText = msg;
				}
			}
		} else {
			if (key == "errmsg" && hideError != 1) {
				if (document.getElementById('error') != null) {
					var msg = "Please correct all errors before continuing:\n\n"+val;
					alert(msg);
					if (document.getElementById('error').childNodes[0] == null) {
						var textNode = document.createTextNode(msg);
						document.getElementById('error').appendChild(textNode);
					} else {
						document.getElementById('error').childNodes[0].nodeValue = msg;
					}
				}
			}
		}
		
		// hack for pid because engine is converting to lowercase
		if(key.toUpperCase() == "PID"){
			if ( document.forms[formName].elements["PID"] != null ){
				document.forms[formName].elements["PID"].value = val;
			} else if (document.forms[formName].elements["pid"] != null){
				document.forms[formName].elements["pid"].value = val;
			}
		} else if ( document.forms[formName].elements[key] != null ) {
			switch ( document.forms[formName].elements[key].type ) {
				case "select-one":
					for (var so=0; so<document.forms[formName].elements[key].options.length; so++) {
						if ( document.forms[formName].elements[key].options[so].value == val ) document.forms[formName].elements[key].selectedIndex=so;
					}
					break;
				case "select-multiple":
					for ( var so=0; so<document.forms[formName].elements[key].options.length; so++ ) {
						if ( document.forms[formName].elements[key].options[so].value == val ) document.forms[formName].elements[key].selectedIndex=so;
					}
					break;
				case "radio":
					if ( document.forms[formName].elements[key].value == val ) document.forms[formName].elements[key].checked = true;
					break;
				case "checkbox":
					document.forms[formName].elements[key].checked = true;
					break;
				default:
					if ( document.forms[formName].elements[key].name == 'redir_url' ) {
						document.forms[formName].elements[key].value = escape(val);
					} else {
						document.forms[formName].elements[key].value = val;
					}
					break;
			}
		} else {
			if ( key != null && val != null && key != "" && val != "" ) {

				// check the tracking variables
				if ( key.toUpperCase() == "CID" 
					|| key.toUpperCase() == "OID" 
					|| key.toUpperCase() == "SID" 
					|| key.toUpperCase() == "ADTID" 
					|| key.toUpperCase() == "ADTBID" 
					|| key.toUpperCase() == "ADTGID" 
					|| key.toUpperCase() == "ADTGSID" 
					|| key.toUpperCase() == "HSID" 
					|| key.toUpperCase() == "TID" 
					|| key.toUpperCase() == "CRID" 
					|| key.toUpperCase() == "HSID" 
					|| key.toUpperCase() == "TID" 
					|| key.toUpperCase() == "CRID" 
					|| key.toUpperCase() == "TEST"
					|| key.toUpperCase() == "REFOFFERIDS"
					|| key.toUpperCase() == "X_SELL_LIST"
					|| key.toUpperCase() == "REQ_FIELDS"
					|| key.toUpperCase() == "REF_TOK"
					|| key.toUpperCase() == "ENG_URL"
					|| key.toUpperCase() == "X_SELL_URL" ) {
					var newInput = document.createElement( "input" );
					newInput.setAttribute( "type", "hidden" );
					newInput.setAttribute( "name", key );
					newInput.setAttribute( "id", key );
					newInput.setAttribute( "value", val );
					var newInputScrub = document.createElement( "input" );
					newInputScrub.setAttribute( "type", "hidden" );
					newInputScrub.setAttribute( "name", "js_"+key );
					newInputScrub.setAttribute( "id", "js_"+key );
					newInputScrub.setAttribute( "value", "optional" );
					var theForm = document.getElementById( formName );
					theForm.appendChild( newInput );
					theForm.appendChild( newInputScrub );
				}
			}
		}
	}
	if ((getQueryValue( 'home_phone' )) && (!(getQueryValue( 'home_area_code' ))) && (!(getQueryValue( 'home_prefix' ))) && (!(getQueryValue( 'home_suffix' )))  ) {
		var fullphone = getQueryValue( 'home_phone' ).replace(/\D/,"");
		var areacode = fullphone.slice(0,3);
		var prefix = fullphone.slice(3,6);
		var suffix = fullphone.slice(6,10);
		(document.forms[formName].home_area_code) ? document.forms[formName].home_area_code.value = areacode : null;
		(document.forms[formName].home_prefix) ? document.forms[formName].home_prefix.value = prefix : null;
		(document.forms[formName].home_suffix) ? document.forms[formName].home_suffix.value = suffix : null;
	}
	return 1;
}

function replaceQSKeys(dfltCID) {										// dfltCID is optional, for setting default CIDs for a specific OID
	var inheritedCID = String(getQueryValue("CID")).toLowerCase();
	var defaultCID = String(dfltCID).toLowerCase();
	var CIDKey = new String("");
	if (defaultCID != "" && defaultCID != "undefined") CIDKey = "CID="+defaultCID+"&";
	var qs = window.top.location.search.replace(/\?OID=/ig, "?JUMPOID=").replace(/\?CMP=/ig,"?JUMPCMP=").replace(/\&OID=/ig, "&JUMPOID=").replace(/\&CMP=/ig,"&JUMPCMP=");
	qs = qs.substring(qs.indexOf("?")+1,qs.length);
	if (inheritedCID == "undefined" || inheritedCID == "") qs = CIDKey+qs;
	if (qs.charAt(qs.length-1) == "&") qs = qs.substr(0, (qs.length-1));
	return qs;
}

function removeKeyValue(qs, key) {
	if (qs.indexOf(key) > -1) {
		var val = new String("");
		val = qs.slice(qs.indexOf("=", qs.indexOf(key))+1, qs.indexOf("&", qs.indexOf(key))-1);
		var qs1stSlice = new String(qs.slice(0, qs.indexOf(key)-1));
		var qs2ndSlice = new String("");
		if (qs.indexOf(val)+val.length < qs.length) qs2ndSlice = qs.slice(qs.indexOf("&", qs.indexOf(key)), qs.length);
		qs = qs1stSlice+qs2ndSlice;
	}
	return qs;
}

function getQueryValueCaseInsensitive(s){
	var tmp = getQueryValue(s);
	if(typeof(tmp) != 'undefined' && tmp && tmp.length > 0){
		return tmp;
	}
	tmp = getQueryValue(s.toLowerCase());
	if(typeof(tmp) != 'undefined' && tmp && tmp.length > 0){
		return tmp;
	}
	tmp = getQueryValue(s.toUpperCase());
	if(typeof(tmp) != 'undefined' && tmp && tmp.length > 0){
		return tmp;
	}
	return "";
}

function replaceAll( str, from, to ) {
    var idx = str.indexOf( from );
    while ( idx > -1 ) {
        str = str.replace( from, to );
        idx = str.indexOf( from );
    }
    return str;
}

function xmlUnescape(s){
	s = replaceAll(s, "&amp;", "&");
	s = replaceAll(s, "&apos;", "'");
	s = replaceAll(s, "&quot;", "\"");
	s = replaceAll(s, "&lt;", "<");
	s = replaceAll(s, "&gt;", ">");
	return s;
}

function getJsUrl(){
	var adurl = xmlUnescape(getQueryValueCaseInsensitive('ADURL'));
	var x_sell_url = getQueryValueCaseInsensitive('X_SELL_URL');
	var jsurl = "";

	if(adurl && adurl.length > 0){
		// if adurl, use it
		jsurl = adurl;
	} else {
		// else use x_sell_url
		jsurl = x_sell_url;
	}
	
	// check for herb
	// TODO: comment out before production roll
	var flag = getQueryValueCaseInsensitive('email');
	if(flag.substring(0, 4) == "herb"){
		// alert(jsurl);
	}
	return jsurl;
}

function populateForms() {
	for (i=0; i<document.forms.length; i++) {
		populateForm(document.forms[i].name);
	}
}

// nmuthanna added 02/26/06 to address case where variables
// set on embedded upstream offers needed to populate form DOM
// TODO: clean this up to be generic to all variable names and not
// hard-coded as is now.
function populateDOM(form) {
	// alert("Entered populateDOM...");
   	for (var i =0; i < form.elements.length; i++) {
   		var varValue = "";
   		var fieldName = form.elements[i].name.toUpperCase();
   		if ( window.CID && CID != undefined && fieldName == "CID" ) {
   			varValue = CID;
   		} else if ( window.OID && OID != undefined && fieldName == "OID" ) {
   			varValue = OID;
   		}  else if ( window.CRID && CRID != undefined && fieldName == "CRID" ) {
   			varValue = CRID;
   		} else if ( window.x_sell_list && x_sell_list != undefined && fieldName == "X_SELL_LIST" ) {
   			varValue = x_sell_list;
   		} else if ( window.refofferids && refofferids != undefined && fieldName == "REFOFFERIDS" ) {
   			varValue = refofferids;
   		} else if ( window.pnref && pnref != undefined && fieldName == "PNREF" ) {
   			varValue = pnref;
   		}  else if ( window.exurl && exurl != undefined && fieldName == "EXURL" ) {
   			varValue = exurl;
   		} else if ( window.PID && PID != undefined && fieldName == "PID" ) {
   			varValue = PID;
   		} else if ( window.partner && partner != undefined && fieldName == "PARTNER" ) {
   			varValue = partner;
   		} else if ( window.external_pid && external_pid != undefined && fieldName == "EXTERNAL_PID" ) {
   			varValue = external_pid;
   		} else if ( window.aun_cid && aun_cid != undefined && fieldName == "AUN_CID" ) {
   			varValue = aun_cid;
   		} else if ( window.pje_cid && pje_cid != undefined && fieldName == "PJE_CID" ) {
   			varValue = pje_cid;
   		} else if ( window.HSID && HSID != undefined && fieldName == "HSID" ) {
   			varValue = HSID;
   		} else if ( window.SID && SID != undefined && fieldName == "SID" ) {
   			varValue = SID;
   		} else if ( window.pass_through && pass_through != undefined && fieldName == "pass_through" ) {
   			varValue = pass_through;		
		} else {
   			continue;
   		}
   		if ( varValue != undefined && varValue != "" ) {
   			form.elements[i].value = varValue;
   		}
   		// alert("The name of the element is " + form.elements[i].name + " and the value is " + form.elements[i].value );
   	}
}

// function for determining PDS value 
// and switching flag on and off
function setPds(form){
	
	// find PDS, if it exists and is "1", switch to "0"
	if(form.pds){
		if(typeof pds != undefined 
		   && typeof pds == "string" 
		   && pds.length > 0){
			if(pds != "0" && pds != 0){
				form.pds.value = 0;
			}
		}
		// alert("form.pds is currently " + form.pds.value);
	}

}


// function for determining Skip Offer value 
// and switching flag on and off
function setSkipOffer(form){
	// find Skip Offer, if it exists and is "true", switch to "false"
	if(form.SKIP_OFFER){
		if(form.SKIP_OFFER != "false"){
			form.SKIP_OFFER.value = "false";
		}
	}
}

// this is simply a test function to 
// indicate the js file has loaded
function adtQSScriptIsLoaded(){
	return true;
}