//date format variables
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

//date format function
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;
}

//date format function
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;
}

//date format function
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 );
}

//date format function
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
}

//date format function
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
}

//verifies the date format
function verifyDate(date){
	if (isDate(date)==false){
		document.frmLandlord.availability.value = "";
		document.frmLandlord.availability.focus();
	}
}

//removes letters from field
function removeABP(str_) {
	clr = str_.replace(/[^\d\.-]/g,'')
	if (clr.length == 0) { clr = "0"; }
	document.frmLandlord.price.value = clr;
}
function removeABS(str_) {
	clr = str_.replace(/[^\d\.-]/g,'')
	if (clr.length == 0) { clr = "0"; }
	document.frmLandlord.size.value = clr;
}

//formats the street field value
function formatStreet(str_) {
	
	//str_ = clearQuotes(str_);

	str_ = str_.toUpperCase();
	str_ = ' ' + str_ + ' ';
	
	re = '.';
	str_ = str_.replace(re, '') ;
	
	
	re = 'EAST ';
	str_ = str_.replace(re, 'E ') ;
	
	re = 'WEST ';
	str_ = str_.replace(re, 'W ') ;
	
	re = ' STREET ';
	str_ = str_.replace(re, ' St ') ;			//TEMPORARY

	re = ' ST ';
	str_ = str_.replace(re, ' St ') ;			//TEMPORARY
	
	re = ' St ';
	str_ = str_.replace(re, ' ST. ') ;		//FINAL
	
	re = ' ST ';
	str_ = str_.replace(re, ' ST. ') ;		//FINAL OVER
	
	re = ' AVENUE ';
	str_ = str_.replace(re, ' Ave ') ;		//TEMPORARY
	
	re = ' AVE ';
	str_ = str_.replace(re, ' Ave ') ;		//TEMPORARY
	
	re = ' AV ';
	str_ = str_.replace(re, ' Ave ') ;		//TEMPORARY
	
	re = ' Ave ';
	str_ = str_.replace(re, ' AVE. ') ;		//FINAL
	
	re = ' AVE ';
	str_ = str_.replace(re, ' AVE. ') ;		//FINAL OVER

	re = ' ROAD ';
	str_ = str_.replace(re, ' RD ') ;			//TEMPORARY
	
	re = ' RD ';
	str_ = str_.replace(re, ' RD. ') ;		//FINAL

	re = 'FIRST ';
	str_ = str_.replace(re, '1ST ') ;

	re = 'SECOND ';
	str_ = str_.replace(re, '2ND ') ;
	
	re = 'THIRD ';
	str_ = str_.replace(re, '3RD ') ;
	
	re = 'FOURTH ';
	str_ = str_.replace(re, '4TH ') ;

	re = 'FIFTH ';
	str_ = str_.replace(re, '5TH ') ;
	
	re = 'SIXTH ';
	str_ = str_.replace(re, '6TH ') ;

	re = 'SEVENTH ';
	str_ = str_.replace(re, '7TH ') ;

	re = 'EIGHT ';
	str_ = str_.replace(re, '8TH ') ;

	re = 'NINTH ';
	str_ = str_.replace(re, '9TH ') ;
	
	re = 'TENTH ';
	str_ = str_.replace(re, '10TH ') ;
	
	return str_.replace(/^\s+|\s+$/g,"");
}

function submitLandlord(){
		
	if(document.frmLandlord.c_firstName.value == ""){
		alert("First name is a required field.");
		document.frmLandlord.c_firstName.focus();
		return false;
	}
	if(document.frmLandlord.c_lastName.value == ""){
		alert("Last name is a required field.");
		document.frmLandlord.c_lastName.focus();
		return false;
	}
	if(document.frmLandlord.c_hPhone.value == ""){
		alert("Phone number is a required field.");
		document.frmLandlord.c_hPhone.focus();
		return false;
	}
	if(document.frmLandlord.c_email.value == ""){
		alert("Email address is a required field.");
		document.frmLandlord.c_email.focus();
		return false;
	}
	
	//check remaining fields	
	if(document.frmLandlord.house.value == ""){
		alert("House is a required field.");
		document.frmLandlord.house.focus();
		return false;
	}
	if(document.frmLandlord.street.value == ""){
		alert("Street is a required field.");
		document.frmLandlord.street.focus();
		return false;
	}
	if(document.frmLandlord.apt.value == ""){
		alert('again');
		alert("Apartment / unit number is a required field.");
		document.frmLandlord.apt.focus();
		return false;
	}
	if(document.frmLandlord.cat.value == -1){
		alert("Area / neighborhood is a required field.");
		document.frmLandlord.cat.focus();
		return false;
	}
	if(document.frmLandlord.zip.value == ""){
		alert("ZIP code is a required field.");
		document.frmLandlord.zip.focus();
		return false;
	}
	if(document.frmLandlord.price.value == ""){
		alert("Price is a required field.");
		document.frmLandlord.price.focus();
		return false;
	}
	
	return true;
}