function validate_form()
{
	if(document.estimate.firstName.value==null||document.estimate.firstName.value==""){
	 alert("First Name is required field!");
	 document.estimate.firstName.focus();
	 return false
	}else if(document.estimate.lastName.value==null||document.estimate.lastName.value==""){
	 alert("Last Name is required field!");
	 document.estimate.lastName.focus();
	 return false
	}else if(document.estimate.address1.value==null||document.estimate.address1.value==""){
	 alert("Address 1 is required field!");
	 document.estimate.address1.focus();
	 return false
	}else if(document.estimate.phone1.value==null||document.estimate.phone1.value==""){
	 alert("Phone 1 is required field!");
	 document.estimate.phone1.focus();
	 return false
	}else if(document.estimate.emailAddress.value==null||document.estimate.emailAddress.value==""){
	 alert("Email Address is required field!");
	 document.estimate.emailAddress.focus();
	 return false
	}
	else{
		var email = document.estimate.emailAddress.value;
		if !(echeck(email)){
			return false;
		}
		else{
			return true;
		}
	}

	if(document.estimate.fromCity.value==null||document.estimate.fromCity.value==""){
	 alert("From City is required field!");
	 document.estimate.fromCity.focus();
	 return false
	}else if(document.estimate.fromState.value==null||document.estimate.fromState.value==""){
	 alert("From State is required field!");
	 document.estimate.fromState.focus();
	 return false
	}else if(document.estimate.originZip.value==null||document.estimate.originZip.value==""){
	 alert("Origin Zip is required field!");
	 document.estimate.originZip.focus();
	 return false
	}else{
		var zip = document.estimate.originZip.value;
		var type = "Origin Zip"
		if(validateZIP(zip,type)){
		}
		else{
		 document.estimate.originZip.focus();
	 	 return false
		}
	}

	if(document.estimate.toCity.value==null||document.estimate.toCity.value==""){
	 alert("To City is required field!");
	 document.estimate.toCity.focus();
	 return false
	}else if(document.estimate.toState.value==null||document.estimate.toState.value==""){
	 alert("To State is required field!");
	 document.estimate.toState.focus();
	 return false
	}else if(document.estimate.destinationZip.value==null||document.estimate.destinationZip.value==""){
	 alert("Destination Zip is required field!");
	 document.estimate.destinationZip.focus();
	 return false
	}else {
	var zip = document.estimate.destinationZip.value;
	var type = "Destination Zip"
	if(validateZIP(zip,type)){
		}
	else{
		 document.estimate.destinationZip.focus();
	 	 return false
	 }
	}
	if(document.estimate.moveDate.value==null||document.estimate.moveDate.value==""){
	 alert("Move Date is required field!");
	 document.estimate.moveDate.focus();
	 return false
	}else if(document.estimate.moveDate.value.length!=10){
		alert("Invalid Move Date!. Valid format is mm/dd/yyyy");
		 document.estimate.moveDate.focus();
	 	return false
	}
	else{
		var date=document.estimate.moveDate.value;
		if (isDate(date)==false){
				document.estimate.moveDate.focus();
				return false
		}
	}
	if(document.estimate.moveSize.value==null||document.estimate.moveSize.value==""){
	 alert("Move Size is required field!");
	 document.estimate.moveSize.focus();
	 return false
	}else{
		 popup();
		 return true;
	}
}
function popup() {
 var NewWind = window.open('','newWin', 'width=650,height=800,toolbar=no,location=0,scrollbars=1,status=0' );
 if (NewWind.opener == null) {
  NewWind.opener = window;
 }
}
function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		  alert("Invalid Email Address")
		  document.estimate.emailAddress.focus();
		  return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		  alert("Invalid Email Address")
		  document.estimate.emailAddress.focus();
		  return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		  alert("Invalid Email Address")
		  document.estimate.emailAddress.focus();
		  return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		  alert("Invalid Email Address")
		  document.estimate.emailAddress.focus();
		  return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		  alert("Invalid Email Address")
		  document.estimate.emailAddress.focus();
		  return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		  alert("Invalid Email Address")
		  document.estimate.emailAddress.focus();
		  return false
		 }

		 if (str.indexOf(" ")!=-1){
		  alert("Invalid Email Address")
		  document.estimate.emailAddress.focus();
		  return false
		 }

 		 return true
	}
	function validateZIP(field,type) {
	 var valid = "0123456789-";
	 var hyphencount = 0;

	 if (field.length!=5) {
	 alert("Please enter your 5 digit zip code.");
	 return false
	 }
	 for (var i=0; i < field.length; i++) {
		temp = "" + field.substring(i, i+1);
		if (temp == "-") hyphencount++;
		if (valid.indexOf(temp) == "-1") {
		alert("Invalid characters in "+type+". Please try again.");
		return false;
		}
	 }
 	 return true
  }
 // Variables for the current date, year and month
 var browserName=navigator.appName;
 var right_now=new Date();
 var the_year=9999;
 if (browserName=="Mozilla Firefox"||browserName=="Netscape")
 {
 	the_year=right_now.getFullYear();
 }
 else{
 	the_year=right_now.getYear();
 }
 var dtCh= "/";
 var minYear=the_year;
 var maxYear=the_year+3;

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
}