// JavaScript Document
	 function submitCheck(check)
	 {
		  if (check.txtName.value == "")
		  {
			alert("The Full Name field cannot be blank - please re-enter");
			check.txtName.focus();
			return false;
		  }
		   if (check.txtEmail.value == "")
		  {
			alert("The Email field cannot be blank - please re-enter");
			check.txtEmail.focus();
			return false;
		  }
		  if (isValidEmail(check.txtEmail.value)==false)
		  {
		   alert("Please enter a valid email address");
		   check.txtEmail.focus();
			return false;
		  }
		  if (check.txtMake.value == "")
		  {
			alert("The Make field cannot be blank - please re-enter");
			check.txtMake.focus();
			return false;
		  }
		   if (check.txtModel.value == "")
		  {
			alert("The Model field cannot be blank - please re-enter");
			check.txtModel.focus();
			return false;
		  }
		    if (check.txtYear.value == "")
		  {
			alert("The Year field cannot be blank - please re-enter");
			check.txtYear.focus();
			return false;
		  }
		    if (check.txtRego.value == "")
		  {
			alert("The Registration field cannot be blank - please re-enter");
			check.txtRego.focus();
			return false;
		  }
		  	if (check.txtDate.value == "")
		  {
			alert("The service date field cannot be blank - please re-enter");
			check.txtDate.focus();
			return false;
		  }
		  	if (comparedate(check.txtDate.value)==false)
		  {
		   //alert("Please enter a vaild date.");
		   check.txtDate.focus();
			return false;
		  }
		  else
		  {
			return true;
		  }
	 }
	 
function comparedate(dt){
			
			var today 	= new Date();
			today.setDate(today.getDate()+1);
			var tday	= today.getDate();
			var tmonth	= (today.getMonth()+1);
			
if (tday.charAt(0)=="0" && tday.length>1) tday=tday.substring(1)

var browserName=navigator.appName; 
 if (browserName=="Microsoft Internet Explorer")
 {
  var year = today.getYear();
 }
 else
  {
	var year = today.getYear();
	year = year +1900;
   }
	var aday = tday+'-'+tmonth+'-'+year
		
		if (dt<= aday){
			alert("The service date must be greater than " + aday);
			return false;	
		}
}








	 function ResetForm(which){
		var pass=true
		var first=-1
		if (document.images){
		for (i=0;i<which.length;i++){
		var tempobj=which.elements[i]
 		if (tempobj.type=="text"){
  		eval(tempobj.value="")
  		if (first==-1) {first=i}
 			}
 			else if (tempobj.type=="checkbox") {
  			eval(tempobj.checked=0)
  		if (first==-1) {first=i}
 		}
 			else if (tempobj.col!="") {
  		eval(tempobj.value="")
  		if (first==-1) {first=i}
 		}
		}
		}
which.elements[first].focus()
return false
}

	
	function isValidEmail (str)
	{
		  // Return immediately if an invalid value was passed in
		  if (str+"" == "undefined" || str+"" == "null")
		   return false;
		
		  else
		  {
		   if (str+"" == "")
		 return true;  // email is not required
		   else
		
		  str += "";
		  namestr = str.substring(0, str.indexOf("@"));  // everything before the '@'
		  domainstr = str.substring(str.indexOf("@")+1, str.length); // everything after the '@'
		
		  // Rules:
		  // namestr must contain something before the '@'
		  // domainstr must contain a period that is not the first character (i.e. right after
		  // the '@').
		  if ((namestr.length == 0) || (domainstr.indexOf(".") <= 0) || (domainstr.indexOf("@") != -1))
		   return false;
		  }
		
		 return true;
	 }
	 

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var date = new Date();

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){
    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 strDay=dtStr.substring(0,pos1)
	var strMonth=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 : dd/mm/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){
		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 ValidateDate(){
	var dt=enquiry.txtDate
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
 }