var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {browserType= "gecko"}

function validateZip(theField) {
	reZip = new RegExp(/(^\d{5}$)/);
	if (!reZip.test(theField.value)) {
		return false;
	} else {
		return true;
	}
}

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
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(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
}

if (document.implementation && document.implementation.createDocument) {
	xmlDoc = document.implementation.createDocument("", "", null);
	var B="MOZ";
}
	
if (window.ActiveXObject) {
	xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
	var B="IE";
}

xmlDoc.async=false;

function getTimes(thisDate, thisTimeZone, thisOption) {
	xmlDoc.load("/models/app/xml/getTime.cfm?tz=-"+thisTimeZone +"&dt="+thisDate);
	var theTimes=xmlDoc.getElementsByTagName("time");
	thisOption.options.length=0;
	thisOption.options[0] = new Option('-- Select Time --', "");
	for(var i=0; i < theTimes.length; i++) { 
		thisOption.options[i+1]= new Option(theTimes[i].getElementsByTagName("text")[0].childNodes[0].nodeValue,theTimes[i].getElementsByTagName("value")[0].childNodes[0].nodeValue);
	}

}

function doTimes(){
	if (document.forms.theForm.contactDate.selectedIndex > 0 && document.forms.theForm.contactTimeZone.selectedIndex > 0) { 
		getTimes(document.forms.theForm.contactDate.options[document.forms.theForm.contactDate.selectedIndex].value, document.forms.theForm.contactTimeZone.options[document.forms.theForm.contactTimeZone.selectedIndex].value, document.forms.theForm.contactTime);
		document.forms.theForm.contactTime.disabled=false; 
	}
}

function checkContactTimeZone() {
	if (document.forms.theForm.contactTimeZone.selectedIndex == 0) {
		document.forms.theForm.contactTime.selectedIndex=0;
		document.forms.theForm.contactTime.disabled=true;
	}
	doTimes();
}

function checkContactDate() {
	if (document.forms.theForm.contactDate.selectedIndex > 0) {
		document.forms.theForm.contactTimeZone.disabled=false; 
		document.forms.theForm.contactTimeZone.selectedIndex=document.forms.theForm.timeZone.value+1;
	} else {
		document.forms.theForm.contactTimeZone.selectedIndex=0;
		document.forms.theForm.contactTimeZone.disabled=true;
		document.forms.theForm.contactTime.selectedIndex=0;
		document.forms.theForm.contactTime.disabled=true;
	}
	doTimes();
}