// JavaScript Document


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 E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}
  function IsNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }
 
function money_cat(str)
{
if(str=="DD")
{
	document.getElementById("money_frm1").style.display='block';
	document.getElementById("money_frm2").style.display='none';
	document.getElementById("hid_reg").value=1;
}
else if(str=="BT")
{
	document.getElementById("money_frm2").style.display='block';
	document.getElementById("money_frm1").style.display='none';
	document.getElementById("hid_reg").value=2;
}
else
{
	document.getElementById("money_frm2").style.display='none';
	document.getElementById("money_frm1").style.display='none';
	document.getElementById("hid_reg").value=0;
}
}
/* -------------- person validation ---------------- */

function type_cat(str)
{

var d1=new Date();
var period1=d1.getTime();
var d2=new Date();
var period2=d2.setFullYear(2010,2,28);
var diff=eval(period1)-eval(period2);

	if(str=="delegate")
	{
	document.getElementById("hid_acc").value=1;
		if(diff<0)
		{
			document.getElementById("hid_amt").value=1500;
		}
		else if(diff>0)
		{
			document.getElementById("hid_amt").value=1500;
		}
	}
	
	else if(str=="PG_Student")
	{
	document.getElementById("hid_acc").value=2;
		if(diff<0)
		{
			document.getElementById("hid_amt").value=500;
		}
		else if(diff>0)
		{
			document.getElementById("hid_amt").value=500;
		}
	}
	else
	{
	document.getElementById("hid_acc").value=0;
	 if(diff<0)
		{
			document.getElementById("hid_amt").value=0;
		}
		else if(diff>0)
		{
			document.getElementById("hid_amt").value=0;
		}
	}
}	


/* ---------------------- date validation ----------------------------*/
var dtCh= "/";
var minYear=2010;
var maxYear=2010;

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
}


/*-----------------------------------------------------------------------*/
function mat_no(myfield, e, dec) 
{
var key;
var keychar;
 
if (window.event)
   key = window.event.keyCode;
else if (e)
   key = e.which;
else
   return true;
keychar = String.fromCharCode(key);
if(myfield.value.length<=15)
{
// control keys
if (value.match(/^[a-zA-Z0-9]+$/))
	{
		return true;
	}
else if ((key==null) || (key==0) || (key==8) || 
    (key==9) || (key==13) || (key==27) || (key==32))
   return true;
 
// numbers
else if ((("0123456789").indexOf(keychar) > -1))
   return true;
 else
   return false;
}
else
{
	if(key==8)
	{
		return true;
	}
	return false;
}
   
}			

//---------------------On key event for Accompaniying person------------------------------//

function Net_Amount(myfield, e, dec)
{
var key;
var keychar;
 
if (window.event)
   key = window.event.keyCode;
else if (e)
   key = e.which;
else
   return true;
   
keychar = String.fromCharCode(key);
var am1=document.getElementById("hid_acc").value;
if (am1==1)
		{
			var am=document.getElementById("hid_amt").value;
			var net_amount=(eval(myfield.value)*750)+eval(am);
			document.getElementById("total_amt").value=net_amount;
		}
else if(am1==0)
		{
			var am=document.getElementById("hid_amt").value;
			var net_amount=(eval(myfield.value)*0)+eval(am);
			document.getElementById("total_amt").value=net_amount;
		}
else if(am1==2)
		{
			var am=document.getElementById("hid_amt").value;
			var net_amount=(eval(myfield.value)*750)+eval(am);
			document.getElementById("total_amt").value=net_amount;
		}		
	
}


			

//------------------------blink event------------------------//
spe=500;
na=document.all.tags("blink");
swi=1;
bringBackBlinky();

function bringBackBlinky() {

if (swi == 1) {
sho="visible";
swi=0;
}
else {
sho="hidden";
swi=1;
}

for(i=0;i<na.length;i++) {
na[i].style.visibility=sho;
}

setTimeout("bringBackBlinky()", spe);
}


//------------------------------------------------------------------------//

// ------------------------------------------------------------------------------------//

function validate_form()
{ 

    if ( document.contact.name.value == "" )
    {
        alert ( "Please enter your name" );
		document.contact.name.value="";
		document.contact.name.focus();
		 return false ;
       
	   
    }
	
	/*validation for null value select type  */
	
	if(document.contact.hid_acc.value==0)
	{
	alert("please select  type");
	
	return false;
	}
	
	
	
	/*--------------- -------------------------------- */
	
		
	if ( document.contact.Designation.value == "" )
    {
        alert ( "Please enter Your Designation" );
		document.contact.Designation.value="";
		document.contact.Designation.focus();
        return false ;
		
    }
	
	if ( document.contact.Specialty.value == "" )
    {
        alert ( "Please enter Your Specialty" );
		document.contact.Specialty.value="";
		document.contact.Specialty.focus();
        return false ;
		
    }
	if ( document.contact.Institution.value == "" )
    {
        alert ( "Please enter Your Institution" );
		document.contact.Institution.value="";
		document.contact.Institution.focus();
        return false ;
		
    }
		
	if ( document.contact.acc_person.value == "" )
    {
        alert ( "Please enter no.of Accompanying persons" );
		document.contact.acc_person.value="";
		document.contact.acc_person.focus();
        return false ;
		
    }
	
	
	var person=	document.contact.acc_person;
	
	if(IsNumeric(person.value)==false)
	{
	alert("Numbers only allowed");
	person.value="";
	person.focus();
	return false;
	}
	

	if ( document.contact.City.value == "" )
    {
        alert ( "Please enter your city" );
		document.contact.City.value="";
		document.contact.City.focus();
       return false ;
		
    }
	
	if ( document.contact.Pin.value == "" )
    {
        alert ( "Please enter your pin code" );
		document.contact.Pin.value="";
		document.contact.Pin.focus();
       return false ;
		
    }
	
	var pin=	document.contact.Pin;
	
	if(IsNumeric(pin.value)==false)
	{
	alert("Numbers only allowed");
	pin.value="";
	pin.focus();
	return false;
	}
	
	
	if ( document.contact.State.value == "" )
    {
        alert ( "Please enter your state" );
		document.contact.State.value="";
		document.contact.State.focus();
       return false ;
		
    }
	
	if ( document.contact.Country.value == "" )
    {
        alert ( "Please enter your country" );
		document.contact.Country.value="";
		document.contact.Country.focus();
       return false ;
		
    }
	
	if ((document.contact.tel_no.value!="") || (document.contact.tel_nor.value!="")|| (document.contact.mob_no.value!="") || (document.contact.fax_no.value!=""))
    {
      	   
	   }
	   else
	   {
	   alert("Please enter your tel.no, mobile.no or fax.no");
	   return false;
	   }
	  
			
		
		
	var mail=document.contact.mail;
			
	if ((mail.value==null)||(mail.value==""))
	{
		alert("Please Enter your Email ID");
		mail.focus();
		return false;
	}
	if (echeck(mail.value)==false){
		mail.value="";
		mail.focus();
		return false;
	
	}
	
	
	
	/* validation for select pay type*/
	
	if(document.contact.hid_reg.value==0)
	{
	alert("please select pay type");
	
	return false;
	}
	
/* ------------------ validation for DD ---------------------- */
	
	if(document.contact.hid_reg.value==1)
	
	{
		if ( document.contact.no.value =="")
		{
		alert("Please Enter your DD No.");
		document.contact.no.value="";
		document.contact.no.focus();
		return false;
		}
		
		var dd_no=	document.contact.no;
		
	if(IsNumeric(dd_no.value)==false)
	{
	alert("Positive Integers only allowed");
	dd_no.value="";
	dd_no.focus();
	return false;
	}
		
		
		var dt=document.contact.date
		if (isDate(dt.value)==false)
		{
		dt.value="";
		dt.focus();
		return false;
		}
	
		if (document.contact.dd_bank.value =="" )
		{
		alert("Please Enter Bank Name");
		document.contact.dd_bank.value = "";
		document.contact.dd_bank.focus();
		return false;
		}
	
		if (document.contact.dd_amount.value =="" )
		{
		alert("Please Enter Amount");
		document.contact.dd_amount.value="";
		document.contact.dd_amount.focus();
		return false;
		}
		
		var dd_amount=	document.contact.dd_amount;
		
		if(IsNumeric(dd_amount.value)==false)
		{
		alert("Positive Integers only allowed");
		dd_amount.value="";
		dd_amount.focus();
		return false;
		}
		
		
	}	
	
/*---------------- validation for bank transfer -------------------------------*/
	if(document.contact.hid_reg.value==2)
	
	{
		if ( document.contact.bank_b.value =="" )
		{
		alert("Please Enter your Bank name.");
		document.contact.bank_b.value="";
		document.contact.bank_b.focus();
		return false;
		}
		
		
		if ( document.contact.rupees_b.value =="" )
		{
		alert("Please Enter rupees Name");
		document.contact.rupees_b.value="";
		document.contact.rupees_b.focus();
		return false;
		}
		
		
		var bt_amount=	document.contact.rupees_b;
		
		if(IsNumeric(bt_amount.value)==false)
		{
		alert("Positive Integers only allowed");
		bt_amount.value="";
		bt_amount.focus();
		return false;
		}
		
		
			
			
		var dt=document.contact.date_b;
		if (isDate(dt.value)==false)
		{
		dt.value="";
		dt.focus();
		return false;
		}
	
		if ( document.contact.bank_b.value =="" )
		{
		alert("Please Enter Bank Name");
		document.contact.bank_b.value = "";
		document.contacts.bank_b.focus();
		return false;
		}
		
		
		
	}	
	
	    return valid;
}