function positionview_select_change(whichThis)
{
/*
    var positionTypesOptions = new Array();
    $('option:selected', $('#edit-positionTypes')).each(function(i){
        positionTypesOptions[i] = $(this).val();
    });
*/

    var positionTypesOptions = new Array();
    $(":checked", $('.positionTypes')).each(function(i){
        positionTypesOptions[i] = $(this).val();
    });

    // define args
    // note: the following will not work
    // var args = { 'positionTypes': positionTypesOptions };
    // generates: ?positionTypes=2&positionTypes=3&positionTypes=4
    // not:       ?positionTypes[]=2&positionTypes[]=3&positionTypes[]=4
    var args = { };

    // create get path
    var getPath = '/positionview/page/view'

    // add query string arguments to get path
    getArgs = "";
    for (var i=1; i<=positionTypesOptions.length; i++)
    {
        if (getArgs.length==0) getArgs += "?";
        getArgs += 'positionTypes[]=' + positionTypesOptions[i-1];
        if (i != positionTypesOptions.length) getArgs += "&";
    }

/*
    var locationOptions = new Array();
    $('option:selected', $('#edit-location')).each(function(i){
        locationOptions[i] = $(this).val();
    });
*/

    var locationOptions = new Array();
    $(":checked", $('.locations')).each(function(i){
        locationOptions[i] = $(this).val();
    });

    for (var i=1; i<=locationOptions.length; i++)
    {
        if (getArgs.length==0) getArgs += "?";
        if (i==1) getArgs += "&";
        getArgs += 'location[]=' + locationOptions[i-1];
        if (i != locationOptions.length) getArgs += "&";
    }

    if (getArgs.length == 0)
    {
        getArgs += "?startDate=" + convertDate($('#edit-startDate').val());
    }
    else
    {
        getArgs += "&startDate=" + convertDate($('#edit-startDate').val());
    }

    if (getArgs.length == 0)
    {
        getArgs += "?endDate=" + convertDate($('#edit-endDate').val());
    }
    else
    {
        getArgs += "&endDate=" + convertDate($('#edit-endDate').val());
    }

    if (getArgs.length == 0)
    {
        getArgs += "?driversLicense=" + $('#edit-requires-Drivers-License:checked').val();
    }
    else
    {
        getArgs += "&driversLicense=" + $('#edit-requires-Drivers-License:checked').val();
    }

    if (getArgs.length == 0)
    {
        getArgs += "?drive4WD=" + $('#edit-requires-4WD:checked').val();
    }
    else
    {
        getArgs += "&drive4WD=" + $('#edit-requires-4WD:checked').val();
    }

    if (getArgs.length == 0)
    {
        getArgs += "?manualTransmission=" + $('#edit-requires-Manual-Transmission:checked').val();
    }
    else
    {
        getArgs += "&manualTransmission=" + $('#edit-requires-Manual-Transmission:checked').val();
    }

    if (getArgs.length == 0)
    {
        getArgs += "?usCitizen=" + $('#edit-requires-US-Citizen:checked').val();
    }
    else
    {
        getArgs += "&usCitizen=" + $('#edit-requires-US-Citizen:checked').val();
    }


    getPath = getPath + getArgs;

//	alert(getPath);
    // clear result set and show "progress"
    pleaseWait = "";
    $('#position_column_right').html(pleaseWait);
    // make ajax call using get
    $.get(getPath, args,
        function(result){
            if (result) $('#position_column_right').html(result);
        }
    );

}
function convertDate(thisDate)
{
	firstslash = thisDate.indexOf('/');
	if (firstslash == -1) return "";
	secondslash = thisDate.indexOf('/', firstslash + 1);
	mnth = thisDate.substr(0,firstslash);
	day = thisDate.substr(firstslash+1,secondslash-firstslash-1);
	year = thisDate.substr(secondslash+1);
	return (year + '-' + mnth + '-' + day);
}


$(document).ready(function(){
	jQuery.url=function(){var segments={};var parsed={};var options={url:window.location,strictMode:false,key:["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],q:{name:"queryKey",parser:/(?:^|&)([^&=]*)=?([^&]*)/g},parser:{strict:/^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,loose:/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/}};var parseUri=function(){str=decodeURI(options.url);var m=options.parser[options.strictMode?"strict":"loose"].exec(str);var uri={};var i=14;while(i--){uri[options.key[i]]=m[i]||""}uri[options.q.name]={};uri[options.key[12]].replace(options.q.parser,function($0,$1,$2){if($1){uri[options.q.name][$1]=$2}});return uri};var key=function(key){if(!parsed.length){setUp()}if(key=="base"){if(parsed.port!==null&&parsed.port!==""){return parsed.protocol+"://"+parsed.host+":"+parsed.port+"/"}else{return parsed.protocol+"://"+parsed.host+"/"}}return(parsed[key]==="")?null:parsed[key]};var param=function(item){if(!parsed.length){setUp()}return(parsed.queryKey[item]===null)?null:parsed.queryKey[item]};var setUp=function(){parsed=parseUri();getSegments()};var getSegments=function(){var p=parsed.path;segments=[];segments=parsed.path.length==1?{}:(p.charAt(p.length-1)=="/"?p.substring(1,p.length-1):path=p.substring(1)).split("/")};return{setMode:function(mode){strictMode=mode=="strict"?true:false;return this},setUrl:function(newUri){options.url=newUri===undefined?window.location:newUri;setUp();return this},segment:function(pos){if(!parsed.length){setUp()}if(pos===undefined){return segments.length}return(segments[pos]===""||segments[pos]===undefined)?null:segments[pos]},attr:key,param:param}}();

	$('#edit-startDate').datepicker();
	$('#edit-endDate').datepicker();
	positionview_select_change();

	$path = jQuery.url.attr("path");
	if($path == '/positionview/' || $path == '/positionview') {
		$("#edit-startDate").change(function() {
	    	var $go = ValidateForm(this);
	    	if($go == false) {
	    		this.value = '';
	    		return false;
	    	}
	    	
	    	var $startDate 	= new Date(this.value);
			var $startValue = $startDate.getTime()/1000;
			
	    	var $endDate 	= new Date($('#edit-endDate').val());
			var $endValue = $endDate.getTime()/1000;

			if($startValue > $endValue) {
				alert('Please choose an earlier start date than end date.');
				$('#edit-startDate').val('')
				return false;
			}
	    });
	
	    $("#edit-endDate").change(function() {
	    	var $go = ValidateForm(this);
	    	if($go == false) {
	    		this.value = '';
	    		return false;
	    	}
	    	
	    	var $endDate 	= new Date(this.value);
			var $endValue 	= $endDate.getTime()/1000;
			
	    	var $startDate 	= new Date($('#edit-startDate').val());
			var $startValue = $startDate.getTime()/1000;

			if($startValue > $endValue) {
				alert('Please choose a later end date than start date.');
				$('#edit-endDate').val('');
				return false;
			}
	    });
	}
});


//alert(jQuery.url.attr("path"));

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh 	= "/";
var minYear = 1999;
var maxYear = 2019;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31;
		if (i==4 || i==6 || i==9 || i==11) this[i] = 30;
		if (i==2) this[i] = 29;
   } 
   return this;
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12);
	var pos1 		= dtStr.indexOf(dtCh);
	var pos2 		= dtStr.indexOf(dtCh,pos1+1);
	var strMonth 	= dtStr.substring(0,pos1);
	var strDay 		= dtStr.substring(pos1+1,pos2);
	var strYear 	= dtStr.substring(pos2+1);
	strYr 			= strYear;
	
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1);
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1);
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr = strYr.substring(1);
	}
	month 	= parseInt(strMonth);
	day 	= parseInt(strDay);
	year 	= parseInt(strYr);
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : mm/dd/yyyy");
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month");
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day");
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear);
		return false;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date");
		return false;
	}
	return true;
}

function ValidateForm($this) {
	var dt = $this;
	if(dt.value != '') {
		if (isDate(dt.value) == false){
			dt.focus();
			return false;
		}
	}
    return true;
}