/* Add/Edit Resource */

/* shows/hides relevant form fields for the selected Resource Type */
function changeResourceType(sel) {
	var resource_type = sel.options[sel.selectedIndex].value;
	
	document.getElementById('website').style.display = 'none';
	document.getElementById('permanenthousing').style.display = 'none';
	document.getElementById('transitionalhousing').style.display = 'none';
	document.getElementById('class').style.display = 'none';
	document.getElementById('urbantransit').style.display = 'none';
	document.getElementById('ruraltransit').style.display = 'none';
	
	document.getElementById(resource_type).style.display = 'block';
}

/* shows/hides relevant form fields for the selected User Status */
function changeUserStatus(sel) {
	var status = sel.options[sel.selectedIndex].value;
	var test = document.getElementById('agency_list').style.display = 'none';

	if (status == 2) {
		test = document.getElementById('agency_list').style.display = 'block';
	}
}

function changeResourceAgency(sel) {
	var agency_id = sel.options[sel.selectedIndex].value;
	if (agency_id) {
		hideBlock('user_id_table');
	}
	else {
		displayBlock('user_id_table');
	}
}

function addAdminText(source,target) {

	var sourceValue = document.resource[source].options[document.resource[source].selectedIndex].value;
	var targetValue = document.resource[target].value;

	if (targetValue == '') {
		document.resource[target].value = sourceValue;
	}
	else {
		document.resource[target].value = targetValue + ', '+ sourceValue;
	}

	return true;
}



function displayBlock(id) {
	document.getElementById(id).style.display = 'block';
}

function hideBlock(id) {
	document.getElementById(id).style.display = 'none';
}

/* auto-fills resource address for selected Agency */

function fillResourceAddress(sel) {
	var agency_id = sel.options[sel.selectedIndex].value;
	var mysack = new sack('../inc/ajax/returnAgencyAddress.php?agency_id='+ agency_id);

	mysack.execute = 1;
	mysack.method = 'POST';
	//mysack.setVar("resource_address1", document.getElementById("resource_address1").value);
	mysack.onError = function() { 
		alert('AJAX ERROR!'); 
	};
	mysack.runAJAX();
	return true;
}


function clearSearchZip() {
	if (document.resource_search.zip.value == 'Enter Zip Code') {
		document.resource_search.zip.value='';
	}
	return true;
}


function verifyResourceSearch() {
	if (document.resource_search.zip.value.length > '0' && document.resource_search.zip.value.length < '5') {
		alert("Please enter a five digit number for the Zip code.");
		return false;
	}

	return true;
}


function verifyResourceSearchHome() {
	if (isNaN(document.resource_search.zip.value)) {
		alert("Please enter a five digit number for the Zip code.");
		return false;
	}
	else {
		if (document.resource_search.zip.value.length < '5') {
			alert("Please enter a five digit number for the Zip code.");
			return false;
		}
	}

	var test = false;
	
	for (var i = 0; i < document.resource_search.elements.length; i++) {
		var e = document.resource_search.elements[i];
		if ((e.type=='checkbox') && (e.checked)) {
			test = true;
		}
	}
	
	if (test) {
		return true;
	}
	else {
		alert('Please select a resource to search for.');
		return false;
	}
}


function confirmAddCancel() {
	var test = confirm("Do you wish to cancel this action and go back?");
	if (test) {
		history.go(-1);
		return true;
	}
	else {
		return false;
	}
}

function confirmEditCancel() {
	var test = confirm("Do you wish to cancel this action and go back?");
	if (test) {
		history.go(-1);
		//window.location='/admin/index.php';
		return true;
	}
	else {
		return false;
	}
}



/* STANDARD FORM CHECKS */

function checkAgencyModify() {
	requiredVar = new Array("agency_name","city","zip");
	requiredExp = new Array("Agency Name","City","Zip Code");
	reqCount = requiredVar.length;
	omitcount = 0;
	omittedFields = "";
	
	for (i=0; i<reqCount; i++) {
		fieldname = requiredVar[i];
		if (!document.agency[fieldname].value) {
			omitcount++;
			omittedFields += omitcount + ". " + requiredExp[i] + "\n";
		}
	}
	if (omitcount > 0) {
		alert("Please complete these required fields:\n" + omittedFields);
		return false;
	}
	else {
		return true;
	}
}

function checkCategoryModify() {
	requiredVar = new Array("category");
	requiredExp = new Array("Category Name");
	reqCount = requiredVar.length;
	omitcount = 0;
	omittedFields = "";
	
	for (i=0; i<reqCount; i++) {
		fieldname = requiredVar[i];
		if (!document.category[fieldname].value) {
			omitcount++;
			omittedFields += omitcount + ". " + requiredExp[i] + "\n";
		}
	}
	if (omitcount > 0) {
		alert("Please complete these required fields:\n" + omittedFields);
		return false;
	}
	else {
		return true;
	}
}

function checkResourceModify() {
	requiredVar = new Array("resource_type","resource_name","category_id","resource_address1","resource_city","resource_state","resource_zip");
	requiredExp = new Array("Resource Type","Resource Name","Resource Category","Resource Address 1","Resource City","Resource State","Resource Zip Code");
	reqCount = requiredVar.length;
	omitcount = 0;
	omittedFields = "";
	
	for (i=0; i<reqCount; i++) {
		fieldname = requiredVar[i];
		if (!document.resource[fieldname].value) {
			omitcount++;
			omittedFields += omitcount + ". " + requiredExp[i] + "\n";
		}
	}
	if (omitcount > 0) {
		alert("Please complete these required fields:\n" + omittedFields);
		return false;
	}
	else {
		return true;
	}
}

function checkServiceModify() {
	requiredVar = new Array("service");
	requiredExp = new Array("Service Name");
	reqCount = requiredVar.length;
	omitcount = 0;
	omittedFields = "";
	
	for (i=0; i<reqCount; i++) {
		fieldname = requiredVar[i];
		if (!document.service[fieldname].value) {
			omitcount++;
			omittedFields += omitcount + ". " + requiredExp[i] + "\n";
		}
	}
	if (omitcount > 0) {
		alert("Please complete these required fields:\n" + omittedFields);
		return false;
	}
	else {
		return true;
	}
}

function checkUserModify() {
	requiredVar = new Array("fname","lname","email","passwd","status");
	requiredExp = new Array("First Name","Last Name","Email Address","Password","User Status");
	reqCount = requiredVar.length;
	omitcount = 0;
	omittedFields = "";
	
	for (i=0; i<reqCount; i++) {
		fieldname = requiredVar[i];
		if (!document.userform[fieldname].value) {
			omitcount++;
			omittedFields += omitcount + ". " + requiredExp[i] + "\n";
		}
	}
	if (omitcount > 0) {
		alert("Please complete these required fields:\n" + omittedFields);
		return false;
	}
	else {
		return true;
	}
}



/* STANDARD CONFIRMATION ALERTS */
function verifyDeleteAgency(agency_id) {
	var test = confirm("Deleting an Agency will permanently erase this Agency and all Resources belonging to this Agency.  Are you sure that you wish to delete this Agency?");
	if (test) {
		//alert("agency.modify.php?action=delete&agency_id="+ agency_id);
		window.location="agency.modify.php?action=delete&agency_id="+ agency_id;
		return true;
	}
	else {
		return false;
	}
}










/* Simple AJAX Code-Kit (SACK) v1.6.1 */
/* (c)2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */

function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "POST";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
  	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) {
			var returnval = c.substring(nameEQ.length,c.length);
			alert('returning: '+ returnval);
			return returnval;
		}
	}
	return null;
}

function setFontSize(multiplier) {
	alert('multiplier: '+ multiplier);
	var size = readCookie('rwr_fontsize');
	if (size.match(/\d*$/)) {
		alert('cookie found: '+ size);
	}
	else { 
		alert('setting initial size');
		size = '12';
	}
	
	//var test = parseFloat(document.body.style.fontSize) + (multiplier * 0.2) + "em";
	if (multiplier.match(/\d*$/)) {
		alert('multiplying...');
		size += multiplier * 2;
	}
	
	alert('final size: '+ size);
	document.body.style.fontSize = size + 'px';
	
	var date = new Date();
	date.setTime(date.getTime()+(5*365*24*60*60*1000));
	document.cookie = 'rwr_fontsize='+ size +'; expires=' + date.toGMTString() + '; path=/';
}


function resizeTextSmall() {
	document.body.style.fontSize = '10px';
	var date = new Date();
	date.setTime(date.getTime()+(5*365*24*60*60*1000));
	document.cookie = 'rwr_fontsize=small; expires=' + date.toGMTString() + '; path=/';
}

function resizeTextMedium() {
	document.body.style.fontSize = '12px';
	var date = new Date();
	date.setTime(date.getTime()+(5*365*24*60*60*1000));
	document.cookie = 'rwr_fontsize=medium; expires=' + date.toGMTString() + '; path=/';
}

function resizeTextLarge() {
	document.body.style.fontSize = '14px';
	var date = new Date();
	date.setTime(date.getTime()+(5*365*24*60*60*1000));
	document.cookie = 'rwr_fontsize=large; expires=' + date.toGMTString() + '; path=/';
}

function initTextSize() {
	if (document.cookie.match(/rwr_fontsize=small/)) { 
		document.body.style.fontSize = '10px';
	}
	else if (document.cookie.match(/rwr_fontsize=large/)) { 
		document.body.style.fontSize = '14px';
	}
	else { 
		document.body.style.fontSize = '12px';
	}
}