// Copyright (C) 2008 Robert W. Clarke Consulting, all rights reserved.
// do not remove this copyright notice

// Map XML --------------------------------------------------------------------------------------

function updateMap(ary_selected_states){ // called by selectState function every time user clicks on a state
	// this function generates the xml to configure the map based the array of selected states
	var ary_colors = new Array();
	ary_colors['normal'] = "CCCC99"; // beige for not selected
	ary_colors['selected'] = "FF0000"; // red for selected
	
	var state_code, xml_state, re, color;
	var xml_state_tmpl = '<state id="_ID_" ncolor="_COLOR_" rcolor="333333" action="javascript:selectState(\'_ID_\')" />';
	
	// start the xml
	var xml = '<?xml version="1.0" encoding="iso-8859-1" ?><MT1022>'; // start the xml
	xml += '<global state_initials="on" state_name="on" action_target="_self" />';
	
	var selected_states = " _" + ary_selected_states.join("_") + "_ ";
	
	for(state_code in ary_state){
		xml_state = xml_state_tmpl; // set to state template xml
		// perform replacements
		re = /_ID_/g;
		xml_state = xml_state.replace(re,state_code); // replace id
		// make color selection and replace
		re = /_COLOR_/g;
		if(selected_states.indexOf("_"+state_code+"_") > 0){ // this state is in the hidden field
			xml_state = xml_state.replace(re,ary_colors['selected']);
		} else {
			xml_state = xml_state.replace(re,ary_colors['normal']);
		}
		xml += xml_state; // append xml
	}
	
	xml += '</MT1022>'; // finish xml
	
	// update the map
	sendXML(xml);
}

function sendXML(xml){
	// this function sends the xml to the map
	// the map receives the xml and configures itself automatically
	if(window.maptron){
		window.document["maptron"].SetVariable("jxml", xml);
	}
	if(document.maptron){
		document.maptron.SetVariable("jxml", xml);
	}
}

// Selection --------------------------------------------------------------------------------------

function selectState(state_code){ // called by map when user clicks on a state
	// get data in hidden field
	var selected_states = document.forms.mapselect.states.value;
	if((selected_states == null)||(selected_states.length < 2)){
		selected_states = "";
		var ary = new Array();
	} else {
		var ary = selected_states.split(",");
	}

	
	var i;
	var ary_selected_states = new Array();
	var found_flag = false;
	
	for(i=0;i<ary.length;i++){
		if(state_code == ary[i]){ 
			found_flag = true; // state already selected, will deselect
		} else {
			ary_selected_states.push(ary[i]); // keep non matching states
		}
	}
	
	if(!found_flag){ // state not already in array, select it
		ary_selected_states.push(state_code);
	}
	ary_selected_states.sort();
	
	// update the form hidden field
	document.forms.mapselect.states.value = ary_selected_states.join(","); 

	updateMap(ary_selected_states); // makes the xml then sends it to map
}


// Form Checking --------------------------------------------------------------------------------------

function validateForm(form_obj){ // called when submit button is pressed
	// check that at least one checkbox has been selected
	var check_obj = document.forms.mapselect.type;
	var i;
	var flag_checkboxes = false;
	var ary_types = new Array();
	for(i=0;i<check_obj.length;i++){
		if(check_obj[i].checked){
			ary_types.push(check_obj[i].value)
		}
	}
	if(ary_types.length == 0){
		document.forms.mapselect.types.value = "";
		alert("Please select at least one checkbox.");
		return false;
	} else {
		document.forms.mapselect.types.value = ary_types.join(",");
	}
	
	// check that at least one state has been selected
	var selected_states = document.forms.mapselect.states.value;
	if((selected_states == null)||(selected_states.length < 2)){
		alert("Please select at least one state.");
		return false;
	}

	return true;
}


// Data --------------------------------------------------------------------------------------

// make array for state names
var ary_state = new Array();
ary_state['AL']="Alabama";
ary_state['AK']="Alaska";
ary_state['AZ']="Arizona";
ary_state['AR']="Arkansas";
ary_state['CA']="California";
ary_state['CO']="Colorado";
ary_state['CT']="Connecticut";
ary_state['DE']="Delaware";
ary_state['DC']="District of Columbia";
ary_state['FL']="Florida";
ary_state['GA']="Georgia";
ary_state['HI']="Hawaii";
ary_state['ID']="Idaho";
ary_state['IL']="Illinois";
ary_state['IN']="Indiana";
ary_state['IA']="Iowa";
ary_state['KS']="Kansas";
ary_state['KY']="Kentucky";
ary_state['LA']="Louisiana";
ary_state['ME']="Maine";
ary_state['MD']="Maryland";
ary_state['MA']="Massachusetts";
ary_state['MI']="Michigan";
ary_state['MN']="Minnesota";
ary_state['MS']="Mississippi";
ary_state['MO']="Missouri";
ary_state['MT']="Montana";
ary_state['NE']="Nebraska";
ary_state['NV']="Nevada";
ary_state['NH']="New Hampshire";
ary_state['NJ']="New Jersey";
ary_state['NM']="New Mexico";
ary_state['NY']="New York";
ary_state['NC']="North Carolina";
ary_state['ND']="North Dakota";
ary_state['OH']="Ohio";
ary_state['OK']="Oklahoma";
ary_state['OR']="Oregon";
ary_state['PA']="Pennsylvania";
ary_state['RI']="Rhode Island";
ary_state['SC']="South Carolina";
ary_state['SD']="South Dakota";
ary_state['TN']="Tennessee";
ary_state['TX']="Texas";
ary_state['UT']="Utah";
ary_state['VT']="Vermont";
ary_state['VA']="Virginia";
ary_state['WA']="Washington";
ary_state['WV']="West Virginia";
ary_state['WI']="Wisconsin";
ary_state['WY']="Wyoming";