/* <![CDATA[ */

/* BEGIN ---------- jsLibSelector */

/**
 * @fileoverview JavaScript Library for geo navigation display.
 * (C) 2004-2006 SP Integration GmbH
 * http://www.sp-integration.de
 */

/**
 * Update map display according to selected filter values.
 * 	If a country is selected the region is ignored, and the country is displayed, otherwise the region is displayed.
 * 	If a division or legal is selected this filter is added as well
 * @param {String} source Name of calling select object
 * @param {String} popup if true then use popup view instead of standard map views
 * @version 1.0.9 build 11.05.2006: parameter hideicons
 * @version 1.0.8 build 03.04.2006: added display filter
 * @version 1.0.7 build 13.03.2006: added business and service filter
 * @version 1.0.6 build 12.03.2006: added context
 * @version 1.0.5 build 25.09.2005: added displaylocation parameter
 * @version 1.0.4 build 21.09.2005: added popup parameter
 * @version 1.0.3 build 21.09.2005: added directions to filter sources to call "how to find us" with all current filters
 * @version 1.0.2 build 07.09.2005: legal structure filter
 * @version 1.0.1 build 13.04.2005: division filter
 * @version 1.0 build 01.04.2005
 * @author Jens Polster, SP Integration GmbH
 */
function Selector(source, popup)
{
/* 
Currently active filter values are contained in global variables
	regionfilter
	countryfilter
	filter
	divisionfilter
	businessfilter
	servicefilter
	legalfilter
	context
	display
*/
	var baselocation = "";
	var command = "";
	var newsearch = "";
	var newlocation = "";
	var filtername = "";
	var filterselect;
	var viewname = "";
	var key = "";
	var params = new Array();
	var posamp;
	var poseq;
	var pname = "";
	var filters = new Object();
	/* selector filters */
	var selectors = new Array("business", "service", "division");
	/* set filters to current values */
	filters["region"] = regionfilter;
	filters["country"] = countryfilter;
	filters["division"] = divisionfilter;
	filters["legal"] = legalfilter;
	filters["context"] = context;
	filters["business"] = businessfilter;
	filters["service"] = servicefilter;
	filters["filter"] = filter;
	filters["display"] = display;
	
	/* get name of filter which has changed */
	filtername = source.replace(/selector/i, "").toLowerCase();
	
	/* if source is directions selector don't modify existing filter */
	/* call "how to find us" with all current filters */
	if (filtername == "directions")
	{
		viewname = "vwDirectionsByKey";
		key = "/" + unid;
		command = "?OpenDocument";
		/* append filter parameters */
		for (var a in filters)
		{
			if ((filters[a] != "") && (filters[a] != defaultvalue))
			{
				params.push(a + "=" + filters[a]);
			}
		}
	} else {
	
		/* set changed filter to new value */
		filterselect = document.getElementsByName(source);
		if (filterselect)
		{
			if (filterselect.length == 1)
			{
				filters[filtername] = filterselect[0].value;
			} else {
				filters[filtername] = getRadioValue(filterselect);
			}
			/* region has changed - clear country */
			if (filtername == "region")
			{
				filters["country"] = "";
			}
			/* filter has changed - clear filter selector fields */
			if (filtername == "filter")
			{
				for (var f in selectors)
				{
					if (selectors[f] != filtername)
					{
						filters[selectors[f]] = "";
					}
				}
			}

		}
		
		/* get view to display map */
		if ((filters["country"] != "") && (filters["country"] != defaultvalue))
		{
			if ((doctype == "Geo-Data") && (filtername != "region") && (filtername != "country"))
			{
				/* if a contact is displayed and one of the "display by" filters changes still display the contact and only change the filter url params */
				viewname = "0"
				key = "/" + unid;
				command = "?OpenDocument"
			} else {
				/* country is selected - use country maps view */
				viewname = "vwEntriesByCountryEmbedded";
				command = "?OpenView"
			}
		} else {
			command = "?OpenDocument";
			if (popup)
			{
				/* popup parameter is set --> use popup views */
				viewname = "vwPopupMaps";
				key = "/" + unid;
				
			} else {
				/* country is not selected */
				if ((filters["region"] != "") && (filters["region"] != defaultvalue))
				{
					/* region is selected - show continent */
					if (filters["context"] != "") {
						viewname = "vwContinentMapsLookup";					
						key = "/" + filters["region"] + "*" + filters["context"];
					} else {
						viewname = "vwContinentMaps";
						key = "/" + filters["region"];
					}
				} else {
					/* no region selected - show world map */
					if (filters["context"] != "") {
						viewname = "vwWorldMapsLookup";
						key = "/World" + "*" + filters["context"];
					} else {
						viewname = "vwWorldMaps";
						key = "/World";
					}	
				}
			}
		}
		
		if (location.search != "")
		{
			posamp = location.search.indexOf("&");
			if (posamp != -1)
			{
				/* write all parameters in an array */
				params = location.search.slice(posamp+1, location.search.length).split("&");
				/* loop all parameters */
				for (var e in params)
				{
					/* get paramater name */
					poseq = params[e].indexOf("=");
					if (poseq != -1)
					{
						pname = params[e].slice(0, poseq).toLowerCase();
					} else {
						pname = params[e].toLowerCase();
					}
					switch (pname)
					{
						/* code is identical in all five cases */
						case "region":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params[e] = "";
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								};
							} else {
								params[e] = "";
							}
							break;
						case "country":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params[e] = "";
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;
						case "filter":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params[e] = "";
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;

						case "division":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params[e] = "";
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;
						case "business":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params[e] = "";
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;
						case "service":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params[e] = "";
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;
						case "legal":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params.splice(e,1);
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;
						case "context":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params.splice(e,1);
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;
						case "display":
							if ((filters[pname] != ""))
							{
								if (filters[pname] == defaultvalue) {
									filters[pname] = "";
									params.splice(e,1);
								} else {
									params[e] = pname + "=" + filters[pname];
									filters[pname] = "";
								}
							} else {
								params[e] = "";
							}
							break;
						case "hideicons":
							if ((filters[pname] != ""))
							{
								filters[pname] = "";
								params.splice(e,1);
							} else {
								params[e] = "";
							}
							break;
					}
				}
				/* remove all empty elements from the paramater array */
				for (var p in params)
				{
					if (params[p] == "")
					{
						params.splice(p,1);
					}
				}
			}
			/* append new filter parameters */
			for (var a in filters)
			{
				if ((filters[a] != "") && (filters[a] != defaultvalue))
				{
					params.push(a + "=" + filters[a]);
				}
			}
		}
	}
	baselocation = "/" + replicaID + "/" + viewname + key + command;
	if (params.length > 0)
	{
		newsearch = "&" + params.join("&");
	}
	newlocation = baselocation + newsearch;
	
	if (newlocation != "")
	{
		location.href = newlocation;
	}
}

/**
 * Get the value of a radio button.
 * @param {Object} objElement radio button element
 * @return Value of radio button element
 * @type String
 */
function getRadioValue(objElement)
{
	for (var i=0; i<objElement.length; i++)
	{
		if (objElement[i].checked)
		{
			return objElement[i].value;
		}
	}
	return false;
}

/**
 * Get an element by its ID (cross-browser).
 * 	If it is not found by ID it is searched for by name. 
 * 	If only one element is found by name it is returned.
 * @param {String} strID ID of the element to return
 * @return Element if found.
 * @type Object
 */
function returnObjectByID(strID)
{
	if (document.getElementById)
		var returnVar = document.getElementById(strID);
	else if (document.all)
		var returnVar = document.all[strID];
	else if (document.layers)
		var returnVar = document.layers[strID];
	if (!returnVar)
	{
		var returnVar = document.getElementsByName(strID);
		if (returnVar.length == 1)
			returnVar = returnVar[0]
		else
			returnVar = null;
	}
	return returnVar;
}

/**
 * Update the hotspot links in the specified container (usually the div containing the image map).
 * @param {String} strTargetContainerId ID of the element containing the links to update
 * @param {Object} objParameters "Associative Array" containing the parameters to add to the links.
 * 	Listtag=parameter name, value=parameter value.
 * @version 1.0.1 buld 2006-05-16: fixed parameter division
 * @version 1.0 build 2005-11-22
 * @author Jens Polster, SP Integration GmbH
 */
function updateHotspotLinks(strTargetContainerId, objParameters)
{
	try{
		var objCurrent = new Object();
		var strQuery = "";
		var intPos = -1;
		var strID = "";
		/* get container node */
		var objContainer = returnObjectByID(strTargetContainerId);
		if (objContainer)
		{
			/* loop all children */
			for (var i=0; i < objContainer.childNodes.length; i++)
			{
				objCurrent = objContainer.childNodes[i];
				strID = objCurrent.id;	
				if ( (objCurrent.nodeName == "A") || (objCurrent.nodeName == "AREA") )
				{
					if (objCurrent.href != "")
					{
						/* we're only interested in links */
						strQuery = objCurrent.search;
						if (strQuery != "")
						{
							for (var strPName in objParameters)
							{
								/* check if the parameter is already contained in the URL */
								intPos = strQuery.indexOf('&' + strPName);
								if (intPos == -1)
								{
									/* parameter does not yet exist in query string --> append with value */
									strQuery = strQuery + "&" + strPName + "=" + objParameters[strPName];
								} else {
									/* parameter already exists in query string */
									/* --> do nothing */
								}
							}
							/* write new query string */
							objCurrent.search = strQuery;
						}
					}
				} else {
					if (objCurrent.nodeName == "MAP")
					{
						/* image map --> update all children here, too */
						updateHotspotLinks(objCurrent.name, objParameters)
					}
				}
			}
		}
	} catch(e) {
		var strMsg = e;
		if (objCurrent)
		{
			strMsg = strMsg + "\n\nName: " + objCurrent.name + "\nID: " + objCurrent.id + "\nHRef: " + objCurrent.href;
		}
		alert(strMsg);
	}
}

/**
 * show contact information on click
 * @version 1.1 build 2006-11-28
 */
function myClick(id)
{
	isClicked = 1;
	if (contactdetailsdefault == "") {
		contactdetailsdefault = returnObjectByID("details").innerHTML
	}
	returnObjectByID("details").innerHTML = document.getElementById(id).innerHTML;
}
/**
 * hide contact information on click
 * @version 1.1 build 2006-11-10
 */
function myUnclick()
{
	isClicked = 0;
	returnObjectByID("details").innerHTML = contactdetailsdefault;
}
/**
 * show contact information on mouseover
 * @version 1.1 build 2006-11-28
 */
function myShow(id)
{
	if (!isClicked)
	{
	if (contactdetailsdefault == "") {
		contactdetailsdefault = returnObjectByID("details").innerHTML
	}

		returnObjectByID("details").innerHTML = document.getElementById(id).innerHTML;
	}
}
/**
 * hide contact information on mouseout
 * @version 1.1 build 2006-11-28
 */
function myHide()
{
	if (!isClicked)
	{
		returnObjectByID("details").innerHTML = contactdetailsdefault;
	}
}

/* END ---------- jsLibSelector */

/* ]]> */