function drawOver(x) {
	if (x.src.indexOf("off") > -1) {
		x.src = 'images/mapscale_on_' + x.name + '.gif'
	}
}

function drawOut(x) {
	if (x.src.indexOf("on") > -1 && x.getAttribute('isclicked') == 'false' ) {
		//alert (x.getAttribute('isclicked'))
		x.src = 'images/mapscale_off_' + x.name + '.gif'
	}
}

function drawClick(x,y) {
	mimg = document.getElementById(x).src
	document.getElementById(x + '_01').setAttribute('isclicked','false')
	document.getElementById(x + '_01').src = 'images/mapscale_off_01.gif'
	document.getElementById(x + '_02').setAttribute('isclicked','false')
	document.getElementById(x + '_02').src = 'images/mapscale_off_02.gif'
	document.getElementById(x + '_03').setAttribute('isclicked','false')
	document.getElementById(x + '_03').src = 'images/mapscale_off_03.gif'
	if (y.name.indexOf('01') > -1) {
		mimg = mimg.replace('sm','lg')
		mimg = mimg.replace('md','lg')
		document.getElementById(x + '_01').setAttribute('isclicked','true')
	}
	if (y.name.indexOf('02') > -1) {
		mimg = mimg.replace('sm','md')
		mimg = mimg.replace('lg','md')
		document.getElementById(x + '_02').setAttribute('isclicked','true')
	}
	if (y.name.indexOf('03') > -1) {
		mimg = mimg.replace('md','sm')
		mimg = mimg.replace('lg','sm')
		document.getElementById(x + '_03').setAttribute('isclicked','true')
	}	
	document.getElementById(x).src = mimg
	y.src = 'images/mapscale_on_' + y.name + '.gif'
}

/**
 * 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=1000;
var maxYear=2100;

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(dtFld){
	var dtStr = dtFld.value
	if (dtStr == "") {
		return false
	}
	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")
		dtFld.focus()
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		dtFld.focus()
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		dtFld.focus()
		return false
	}
	if (strYear.length != 4 || year==0){
		alert("Please enter a valid 4 digit year")
		dtFld.focus()
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		dtFld.focus()
		return false
	}
}

function disableEnterKey(evt){
	var keyCode = evt.keyCode ? evt.keyCode : evt.which ? evt.which : evt.charCode;
	if (keyCode == 13) {
		evt.charCode == 0;
	}
}

function validateZIP(zipField) {
	var valid = "0123456789";
	var zip = zipField.value
	if (zip == "") {
		return
	}
	if (zip.length!=5) {
		alert("Please enter your 5 digit zip code.");
		zipField.focus()
		return
	}
	for (var i=0; i < zip.length; i++) {
		temp = "" + zip.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") {
			alert("Invalid characters in your zip code.  Please try again.");
			zipField.focus()
			return
		}
	}
}

function validateDLN(dlnField) {
	var valid = "0123456789";
	var valStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	var dln = dlnField.value
	if (dln == "") {
		return
	}
	dln = dln.replace("-","")
	dln = dln.replace(" ","")
	if (dln.length!=13) {
		alert("Please enter your 13 digit Driver's License Number.");
		dlnField.focus()
		return
	}
	if (valStr.indexOf(dln.substring(0, 1).toUpperCase()) == "-1") {
		alert("Driver License Numbers must start with a letter. Please try again.");
		dlnField.focus()
		return
	}
	for (var i=1; i < dln.length; i++) {
		temp = "" + dln.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") {
			alert("Invalid letters in your Driver License Number. Please try again.");
			dlnField.focus()
			return
		}
	}	
}

    function KeyDownHandler(btn,evt)
    {
        // process only the Enter key
		var keyCode = evt.keyCode ? evt.keyCode : evt.which ? evt.which : evt.charCode;
		if (keyCode == 13) 
        {
            // cancel the default submit
            evt.returnValue=false;
            evt.cancel = true;
            // submit the form by programmatically clicking the specified button
            btn.click();
        }
    }
    
function selAddress(x) {
	document.getElementById("selAddMatch").value = x
	document.getElementById("selAdd").submit()
}