function SubmitToHome()
{      
	  document.form1.action = "hbc.asp";
	  document.form1.submit();
}
	
function SubmitToBenefits()
{      
	
	if (!validation())
	{
		return false;
	}
	else
	{
	  document.form1.action = "benefits.asp";
	  document.form1.submit();
	}
	
	
}

function validateAdult()
{
	var oNumAdult = eval(document.form1.NumAdult);
  	var NumAdult = oNumAdult.value;
	if (parseInt(NumAdult) >= 1 ) {
		
		for (var i=1; i<=NumAdult;i++) {
			global_alert = "Adult " + i + " - ";
			///alert(global_alert);
		  var age_d = eval("document.form1.AGEd"+i);
		  var age_m = eval("document.form1.AGEm"+i);
		  var age_y = eval("document.form1.AGEy"+i);
       	  var edateStr = new Date("31/12/1987");
		  var sdate = edateStr.toLocaleString();
		  ///alert(sdate);
		  var str_temp1 = "00"+age_d.value;
		  var str_temp2 = "00"+age_m.value;
		  var str_temp3 = "19"+age_y.value;
		  //alert (str_temp1);
		  var dobStr_1 = str_temp1.substr(str_temp1.length-2,2)+"/"+str_temp2.substr(str_temp2.length-2,2)+"/"+str_temp3.substr(str_temp3.length-4,4);
		  //alert(dobStr_1);
		  var dobStr_2 = new Date(dobStr_1);
		  var dob = dobStr_2.toLocaleString();
		  ///alert(dob);
		  
		  if (dobStr_1.length < 10)
		  {
			  alert(global_alert + "Please enter the date in dd/mm/yyyy format.");
			  age_d.focus();
			  age_d.select();
			  return false;
			  break;
		  }
		  if (isDate(dobStr_1.substring(3,5)+"/"+dobStr_1.substring(0,2)+ dobStr_1.substring(5))==false)
		  {
			  if (global_focus == "yy")
			  {			  
			  	age_y.focus();
			  	age_y.select();
				  }
			  else if (global_focus == "mm")
			  {			  
			  	age_m.focus();
			  	age_m.select();
				  }
			  else 
			  {			  
			  	age_d.focus();
			  	age_d.select();
				  }
			  return false;
			  break;
		  }	
		  else 
		  {
			 var errMsg = global_alert + "Adult's age should be 21 or above as of 31 Dec 2009.";
			 dob_a_must = "31/12/"+eval(sys_yyyy_val-21);
			 //alert (dob_a_must);
			 if (!dateCompare(dob_a_must, dobStr_1, errMsg))
			 {
				 age_d.focus();
				 age_d.select();
				 return false;
				 break; 	
			 }
		  }
		} // end for i loop
	}
	return true;
}

function validateChild()
{
	var oNumChild = eval(document.form1.NumChild);
    var NumChild = oNumChild.value;
		
	if (parseInt(NumChild) >= 1 ) {
		for (var j=1; j<=NumChild;j++) {
			global_alert = "Child " + j + " - ";
			///alert(global_alert);
		  var childage_d = eval("document.form1.childAGEd"+j);
		  var childage_m = eval("document.form1.childAGEm"+j);
		  var childage_y = eval("document.form1.childAGEy"+j);
		  
		  var str_temp1 = "00"+childage_d.value;
		  var str_temp2 = "00"+childage_m.value;
		  var str_temp3 = "20"+childage_y.value;
		  ///alert (str_temp1);		  
		  var dobStr_3 = str_temp1.substr(str_temp1.length-2,2)+"/"+str_temp2.substr(str_temp2.length-2,2)+"/"+str_temp3.substr(str_temp3.length-4,4);
		  ///alert(dobStr_3);
		  var dobStr_4 = new Date(dobStr_3);
		  var dob = dobStr_4.toLocaleString();
		  ///alert(dob);
		  
		  if (dobStr_3.length < 10)
		  {
			  alert(global_alert + "Please enter the date in dd/mm/yyyy format.");
			  childage_d.focus();
			  childage_d.select();
			  return false;
			  break;
		  }
		  if (isDate(dobStr_3.substring(3,5)+"/"+dobStr_3.substring(0,2)+ dobStr_3.substring(5))==false)
		  {
			  if (global_focus == "yy")
			  {
				  childage_y.focus();
				  childage_y.select();
				  }
			  else if (global_focus == "mm")
			  {
				  childage_m.focus();
				  childage_m.select();
				  }
			  else 
			  {
				  childage_d.focus();
				  childage_d.select();
				  }
			  return false;
			  break;
		  }
		  else 
		  {
			 var errMsg = global_alert + "Child's age should be 20 or below as of 31 Dec 2009.";
 			 dob_c_must = "01/01/"+eval(sys_yyyy_val-20);
			 //alert (dob_c_must);
			 if (!dateCompare(dobStr_3, dob_c_must, errMsg))
			 {
				 childage_d.focus();
				 childage_d.select();
				 return false;
				 break; 	
			 }
		  }
		
  	} // end for j loop
  }
  return true;
}

function validation()
	{
	  var hasChecked = true;
	  var oNumAdult = eval(document.form1.NumAdult);
	  var NumAdult = oNumAdult.value;
	  var oNumChild = eval(document.form1.NumChild);
	  var NumChild = oNumChild.value;
	 
	  //alert('NumAdult='+NumAdult);
	  //alert('NumChild='+NumChild);
	  
	 if (NumAdult=="" || NumAdult=="0")
	 {
		  alert("Number of Adults must not be 0");
		  oNumAdult.focus();
		  oNumAdult.select();
		  hasChecked = false;
	 }
     else if ( !validateAdult())
	{
		  
		  hasChecked = false;
	}
	 else if ( !validateChild() )
	{
		      
		 hasChecked = false;
		 
		  
	}
	 
	 //alert('hasChecked: ' +  hasChecked);
     return hasChecked;
	}
	
function validateNumber( field) {
    var decimal = 0;
	var msg=field.value; 
    var w;
    //var dpoint=msg.indexOf( "." );
    var ind;
  
    for ( w=0; w<msg.length; w++ )  {

      ind=msg.substring(w,w+1);
      if ( ind<"0" || ind>"9" )  {
    
           //if ( dpoint>0 )
             //if ( w==dpoint )  continue;    
       
           msg=msg.substring(0,w);
           field.value=msg; 
		   return false;
           break;           
      } // end if
	} // end for
	return true;
}
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2008;

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(global_alert + "Please enter the date in dd/mm/yyyy format.")
		global_focus = "dd";
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert(global_alert + "Please enter a valid month.")
		global_focus = "mm";
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert(global_alert + "Please enter a valid day.")
		global_focus = "dd";
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert(global_alert + "Please enter a valid 4 digit year between "+minYear+" and "+maxYear+".")
		global_focus = "yy";
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert(global_alert + "Please enter the date in dd/mm/yyyy format.")
		global_focus = "dd";
		return false
	}
return true
}

function dateCompare (date1Str, date2Str,errMsg) {
	var now = new Date();
	var today = new Date(now.getDate(),now.getMonth(),now.getYear());


	var date1 = new Date(date1Str.substring(6,10),
                         date1Str.substring(3,5)-1,
                         date1Str.substring(0,2));
	
	var date2= new Date(date2Str.substring(6,10),
                        date2Str.substring(3,5)-1,
                        date2Str.substring(0,2));
	
	//alert('date1 = '+date1.toLocaleString()+' | date2 = '+ date2.toLocaleString());

	//
	//date1 denotes input date
	//date2 denotes control date
	//alert(today);
	if ( (date1 < date2) )
	{
	   //alert('date1 < date2');
	   alert (errMsg);
	   return false;
	}
	else if (date1 > date2) 
	{
	   //alert(date1 > date2);
	   return true;
	}
	else { //Same Date
	   //alert('same date');
	   return true;
	}
}

function dd_leave(field)
{
	var name_1 =field.name; 
	var val_1 = field.value; 
	if (val_1.length > 0)
	{	 
		temp_val = "00"+val_1;
		field.value = temp_val.substr(temp_val.length-2,2);
		val_1 = field.value; 
		if (val_1<1 || val_1>31)
		{
			if (name_1.substr(name_1,1,1) == 'c') 
			{
				alert("Child " + name_1.substr(name_1.length-1,1) + " - Please enter a valid date range from 1 to 31");
			}
			else
			{
				alert("Adult " + name_1.substr(name_1.length-1,1) + " - Please enter a valid date range from 1 to 31");
			}
			field.value = ""; 
			field.focus();
		}	
	}
}

function mm_leave(field)
{
	var name_1 =field.name; 
	var val_1 = field.value; 
	if (val_1.length > 0)
	{	 
		temp_val = "00"+val_1;
		field.value = temp_val.substr(temp_val.length-2,2);
		val_1 = field.value; 
		if (val_1<1 || val_1>12)
		{
			if (name_1.substr(name_1,1,1) == 'c') 
			{
				alert("Child " + name_1.substr(name_1.length-1,1) + " - Please enter a valid month range from 1 to 12");
			}
			else
			{
				alert("Adult " + name_1.substr(name_1.length-1,1) + " - Please enter a valid month range from 1 to 12");
			}
			field.value = ""; 
			field.focus();
		}	
	}
}

function yy_leave(field)
{
	var name_1 =field.name; 
	var val_1 = field.value; 
	if (val_1.length > 0)
	{	 
		temp_val = "19"+val_1;
		field.value = temp_val.substr(temp_val.length-4,4);
		val_1 = field.value; 
		if (val_1<1900 || val_1>2008)
		{
			if (name_1.substr(name_1,1,1) == 'c') 
			{
				alert("Child " + name_1.substr(name_1.length-1,1) + " - Please enter a valid year from 1900 to 2008");
			}
			else
			{
				alert("Adult " + name_1.substr(name_1.length-1,1) + " - Please enter a valid year from 1900 to 2008");
			}
			field.value = ""; 
			field.focus();
		}	
	}
}

function dd_key(field)
{
	var name_1 =field.name; 
	var val_1 = field.value; 
	if ((name_1.lastIndexOf("childAGEd")<0 && val_1.length==2) || (name_1.lastIndexOf("childAGEd")<0 && val_1>3))
	{
		eval("document.form1.AGEm"+name_1.substr(name_1.length-1,1)).focus();
	}
	if ((name_1.lastIndexOf("childAGEd")>=0 && val_1.length==2) || (name_1.lastIndexOf("childAGEd")>=0 && val_1>3))
	{
		eval("document.form1.childAGEm"+name_1.substr(name_1.length-1,1)).focus();
	}
	return false;
}

function mm_key(field)
{
	var name_1 =field.name; 
	var val_1 = field.value; 
	if ((name_1.lastIndexOf("childAGEm")<0 && val_1.length==2) || (name_1.lastIndexOf("childAGEm")<0 && val_1>1))
	{
		eval("document.form1.AGEy"+name_1.substr(name_1.length-1,1)).focus();
	}
	if ((name_1.lastIndexOf("childAGEm")>=0 && val_1.length==2) || (name_1.lastIndexOf("childAGEm")>=0 && val_1>1))
	{
		eval("document.form1.childAGEy"+name_1.substr(name_1.length-1,1)).focus();
	}
	return false;
}