function validateForm(){
	AlertDisplay();
	var mobile = new RegExp("^[0-9]{10}$");
	var amount = new RegExp("^([1-9]{1}[0-9]{0,7}|[1-9]{1}[0-9]{0,7}\\.[0-9]{2})$");
//	var BINLOGO = new RegExp("^523950[0-9]{10}$|^524373[0-9]{10}$|^541538[0-9]{10}$|^542505[0-9]{10}$|^547827[0-9]{10}$|^523650[0-9]{10}$|^777777[0-9]{10}$|^555331[0-9]{10}$|^517215[0-9]{10}$|^536907[0-9]{10}$|^536907[0-9]{10}$|^536907[0-9]{10}$|^536907[0-9]{10}$|^525611[0-9]{10}$|^525611[0-9]{10}$|^536907[0-9]{10}$|^524373[0-9]{10}$|^536907[0-9]{10}$|^536907[0-9]{10}$|^525611[0-9]{10}$|^747777[0-9]{10}$|^747780[0-9]{10}$|^747725[0-9]{10}$");
//	var BINLOGO = new RegExp("^523950[0-9]{10}$|^524373[0-9]{10}$|^541538[0-9]{10}$|^542505[0-9]{10}$|^547827[0-9]{10}$|^523650[0-9]{10}$|^777777[0-9]{10}$|^555331[0-9]{10}$|^517215[0-9]{10}$|^536907625[0-9]{7}$|^536907635[0-9]{7}$|^536907645[0-9]{7}$|^536907655[0-9]{7}$|^525611[0-9]{10}$|^525611645[0-9]{7}$|^536907755[0-9]{7}$|^524373671[0-9]{7}$|^536907725[0-9]{7}$|^536907735[0-9]{7}$|^525611895[0-9]{7}$|^747777[0-9]{10}$|^747780[0-9]{10}$");
	var cardType="v"; 

	document.form1.CardNum.value=document.form1.CardNum1.value + document.form1.CardNum2.value + document.form1.CardNum3.value+document.form1.CardNum4.value;
	document.form1.additional_info1.value=document.form1.CardNum4.value;
	if(document.form1.CardNum1.value==""){
		alert("Please enter a valid Credit Card Number.");
		document.form1.CardNum1.focus();
		return false;
	}
	else if(document.form1.CardNum2.value==""){
		alert("Please enter a valid Credit Card Number.");
				document.form1.CardNum2.focus();
				return false;
	}
	else if(document.form1.CardNum3.value==""){
		alert("Please enter a valid Credit Card Number.");
				document.form1.CardNum3.focus();
				return false;
	}
	else if(document.form1.CardNum4.value==""){
		alert("Please enter a valid Credit Card Number.");
				document.form1.CardNum4.focus();
				return false;
	}
	
	else if(document.form1.CardNum1.value.length!=4){
					alert("Please enter a valid Credit Card Number.");
					document.form1.CardNum1.focus();
					return false;
	}
	else if(document.form1.CardNum2.value.length!=4){
					alert("Please enter a valid Credit Card Number.");
					document.form1.CardNum2.focus();
					return false;
	}	
	else if(document.form1.CardNum3.value.length!=4){
					alert("Please enter a valid Credit Card Number.");
					document.form1.CardNum3.focus();
					return false;
	}	
	else if(!(document.form1.CardNum4.value.length==4)||(document.form1.CardNum4.value.length==2)){
			alert("Please enter a valid Credit Card Number.");
			document.form1.CardNum2.focus();
			return false;
	}
	else if (document.form1.CardNum1.value != document.form1.ReCardNum1.value)
	{
		alert("Please re-enter the Card Number exactly as you have done in the fields above.");
		document.form1.ReCardNum1.focus();
		return false;
	}
	else if (document.form1.CardNum2.value != document.form1.ReCardNum2.value)
	{
		alert("Please re-enter the Card Number exactly as you have done in the fields above.");
		document.form1.ReCardNum2.focus();
		return false;
	}
	else if (document.form1.CardNum3.value != document.form1.ReCardNum3.value)
	{
		alert("Please re-enter the Card Number exactly as you have done in the fields above.");
		document.form1.ReCardNum3.focus();
		return false;
	}
	else if (document.form1.CardNum4.value != document.form1.ReCardNum4.value)
	{
		alert("Please re-enter the Card Number exactly as you have done in the fields above.");

		document.form1.ReCardNum4.focus();
		return false;
	}
	/*else if (! document.form1.CardNum.value.match(BINLOGO))
	{
		alert("Please enter a valid RBL Bank Credit Card Number.");
		return false;
	}*/
	else if (!validateCard(document.form1.CardNum.value,cardType)) 
	{ 

//		alert("Hi");


		return false; 

	}	 
	//  else if (Validateemail())
	// {
	// 	alert("Please enter a valid Email ID (eg rajesh_arora@yahoo.co.in)");
	// 	document.form1.additional_info2.focus();
	// 	return false;
	// }

	// if (!document.form1.additional_info8.value.match(mobile))
	// {
	//    	document.form1.additional_info8.focus();
	// 	alert("Please enter a valid Mobile no. (eg 9595959595)");
	// 	return false;
	// }
	
	else if (! document.form1.txn_amount.value.match(amount))
	{
		alert("Please enter a valid Payment Amount (eg Rs.120.00)");
		//alert("Card Number"+document.form1.CardNum.value);
		document.form1.txn_amount.focus();
		return false;
	}
	
	
	
	
	 
		
		var str=document.form1.txn_amount.value;
		if (str.indexOf(".")== -1)
		{
			str=str+".00";
		}
		
		//Donate
		// var Ychecked = document.getElementById("pstvdn").checked; var Nchecked = document.getElementById("ngtvdn").checked;
		// var erblk = document.getElementById("error");
		// if((Ychecked==false)&&(Nchecked==false))
		// {
		// 	erblk.style.display="block";
		// 	erblk.style.transition = "all 0.3s linear 0s"; 
		// 	erblk.innerHTML="Please select Yes/No to indicate your interest to donate."; 
		// 	return false;
		// }
		
		// if(Nchecked==true)
		// {
		// 			do_encrypt();
		// 			document.form1.CardNum1.value="";
		// 			document.form1.CardNum2.value="";
		// 			document.form1.CardNum3.value="";
		// 			document.form1.CardNum4.value="";

		// 			document.form1.ReCardNum1.value="";
		// 			document.form1.ReCardNum2.value="";
		// 			document.form1.ReCardNum3.value="";
		// 			document.form1.ReCardNum4.value="";
				

		// 			document.form1.txn_amount.value=str;
		// 			document.form1.action="../../../pgidsk/servlet/PGICardPayHandler2";
		// 			document.form1.submit();
		// }

		// if(Ychecked==true)
		// {
		// 	if(!(document.form1.donamt[0].checked||document.form1.donamt[1].checked))
		// 		{
		// 			erblk.style.display="block";
		// 			erblk.style.transition = "all 0.3s linear 0s"; 
		// 			document.getElementById("error").innerHTML="Please select the amount you wish to donate."; return false;
		// 		}
		// 	if(document.form1.donamt[0].checked){document.form1.additional_info25.value="10.00"; }//console.log("Donation amount opted :"+document.form1.additional_info25.value);
		// 	if(document.form1.donamt[1].checked){document.form1.additional_info25.value="100.00";}//console.log("Donation amount opted :"+document.form1.additional_info25.value);			
			

		// }
			// if(document.form1.additional_info25.value>0)
			// {
				var txt;
				// var r = confirm("Please note: This transaction will process only credit card bill amount and the donation amount will be charged separately by RBL Bank on your Credit Card.");
				// if (r == true) 
				// {
					do_encrypt();
					document.form1.CardNum1.value="";
					document.form1.CardNum2.value="";
					document.form1.CardNum3.value="";
					document.form1.CardNum4.value="";

					document.form1.ReCardNum1.value="";
					document.form1.ReCardNum2.value="";
					document.form1.ReCardNum3.value="";
					document.form1.ReCardNum4.value="";
				

					document.form1.txn_amount.value=str;
					document.form1.action="../../../pgidsk/servlet/PGICardPayHandler2";
					document.form1.submit();
				// } else {return false;} 
		    // }		

		/*do_encrypt();
		document.form1.CardNum1.value="";
		document.form1.CardNum2.value="";
		document.form1.CardNum3.value="";
		document.form1.CardNum4.value="";

		document.form1.ReCardNum1.value="";
		document.form1.ReCardNum2.value="";
		document.form1.ReCardNum3.value="";
		document.form1.ReCardNum4.value="";
	

		document.form1.txn_amount.value=str;
		document.form1.action="https://pgi.billdesk.com/pgidsk/servlet/PGICardPayHandler";
		document.form1.submit();*/
	
}

function AlertDisplay(){ setTimeout(function(){ document.getElementById("error").style.display="none"; },5000); }

function setDonateOption()
{
	var info25 = document.form1.additional_info25.value;
	if(document.getElementById("pstvdn").checked==true) {document.getElementById("ngtvdn").checked=false; document.form1.donamt[0].disabled=false;document.form1.donamt[1].disabled=false;info25="NA";}
	if(document.getElementById("ngtvdn").checked==true) {document.getElementById("pstvdn").checked=false; document.form1.donamt[0].disabled=true;document.form1.donamt[1].disabled=true; document.form1.donamt[0].checked=false;document.form1.donamt[1].checked=false;info25="NA";}
	
	
	if(document.getElementById("pstvdn").checked==true) {document.getElementById("ngtvdn").checked=false;}
}

function checkClick()
{
		//if(document.getElementById("pstvdn").checked==true){alert(""); return false;}
		document.getElementById("pstvdn").checked=false;
		document.form1.donamt[0].checked=false;document.form1.donamt[1].checked=false;
		document.form1.additional_info25.value="NA";
}

function checkEmailid()
{
	var str=document.form1.additional_info2.value;
	str = trimSpaces(str);
	var len = str.length;

	if(str=="")
	{
			return false;
	}
	else if(str.length>40)
	{
			return false;
	}
	else if(str.indexOf("@")==-1)
	{
		return false;
    }
	else if(str.indexOf(".")==-1)
	{
		return false;
    }
	else if(str.substring(str.indexOf(".")+1).length <2)
	{
		return false;
    }
    else if (!(checkForPraSpcChar("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789@._-", str)))
    {
		return false;
    }
    else if(str.indexOf("@",(str.indexOf("@")+1)) != -1)
    {
		return false;
    }
    else if( (str.charAt((len -1 )) == ".") || (str.charAt((len -1 )) == "@") || (str.charAt((len -1 )) == "_"))
    {
		return false;
	}
    else if( (str.charAt(0) == ".") || (str.charAt(0) == "@"))
    {
		return false;
	}
	else
	{
		return true;
	}
}

function checkForPraSpcChar(str, obj)
{
	var str1 = str;
    var str2 = obj;
	var str2Len = obj.length;
    var i,j;
    var ch;
    var check=false;
	for (i=0; i<str2.length; i++)
	{
       	check=false;
       	ch = str2.charAt(i);
		for (j=0; j<str1.length; j++)
		{

   			if (ch == str1.charAt(j))
			{
		     			check=true;
            	break;
            }
     	}
		if (!check)
			break;
     }
	    return check;
}

function trimSpaces (str)
{
    var len = str.length;
	var str1 = str;
    var loop=true;

	while(loop)
	{

		if (str1.charAt(0) == " ")
		{
			str1 = str1.substring(1);
			len = str1.length;
		}
		else if(str1.charAt((len-1)) == " ")
		{
			str1 = str1.substring(0,(len-2));
			len = str1.length;
		}
		else
		{
			loop = false;
		}
	}
	return (str1);
}


function Validateemail(){
	var emailID=document.form1.additional_info2
	
if (checkEmailid(emailID.value)==false){
		//emailID.value=""
		emailID.focus()
		return true
	}
	return false
 }

		function ValidateNum(input,event){
			
			var keyCode = event.which ? event.which : event.keyCode;
			if(parseInt(keyCode)>=48 && parseInt(keyCode)<=57){
				return true;
			}

			return false;

		}
		
		function ValidateName(input,event){
			var keyCode = event.which ? event.which : event.keyCode;
			//Small Alphabets
			if(parseInt(keyCode)>=97 && parseInt(keyCode)<=122){
				return true;
			}
			//Caps Alphabets
			if(parseInt(keyCode)>=65 && parseInt(keyCode)<=90){
				return true;
			}
			//Space-Return-Dot
			if(parseInt(keyCode)==32 || parseInt(keyCode)==13 || parseInt(keyCode)==46){
				return true;
			}
			input.focus();
			return false;

			//alert(keyCode);
		}
function mod10( cardNumber ) 
{ 
	var ar = new Array( cardNumber.length ); 
	var i = 0,sum = 0; 
	for( i = 0; i < cardNumber.length; ++i ) 
	{ 
    		ar[i] = parseInt(cardNumber.charAt(i)); 
    	} 
    	for( i = ar.length -2; i >= 0; i-=2 ) 
	{  
    		ar[i] *= 2;							 
    		if( ar[i] > 9 ) ar[i]-=9;			 
    	}										 
	for( i = 0; i < ar.length; ++i ) 
	{ 
        	sum += ar[i]; 
       	} 
        return (((sum%10)==0)?true:false);	 	 
} 
function validateCard(cardNumber,cardType)
{ 
//	alert("Card Number"+cardNumber);
	if( cardNumber.length == 0 ) 
	{ 
		alert("Please enter a valid card number."); 
       		return false;				 
       	} 
        for( var i = 0; i < cardNumber.length; ++i ) 
	{		 
		var c = cardNumber.charAt(i); 
		if( c < '0' || c > '9' ) 
		{ 
			alert("Please enter a valid card number without any spaces or other special characters."); 
       			return false; 

            		} 

            	} 

            	var length = cardNumber.length; 

 

 

                	switch( cardType ) { 

                                        		case 'v': 

 

 

                                            			if(! (length == 16||length == 14)) { 

                                            				alert("Please enter a valid RBL Bank Credit Card Number."); 

                                            				return; 

                                            			} 

                                                			break; 

                                                	} 

                                                	if( !mod10( cardNumber ) ) {  

                                                		alert("Sorry! This is not a valid RBL Credit Card Number."); 

                                                		return false; 

                                                	} 
                                                	 
                                                	return true;  

                                            }
											
											
function radioSelect()
{ 
	if(document.form1.choice[0].checked){document.getElementById("bank_sel").innerHTML='<select name="bank_id" class="drpDown" style="width:200px; onchange="validatedDisabledBank();"><option class="padl5" value="0" selected disabled>=== Select  Debit Card ===</option>'+ dbbanks +   '</select>';}
	if(document.form1.choice[1].checked){document.getElementById("bank_sel").innerHTML='<select name="bank_id" class="drpDown" style="width:200px;" onchange="validatedDisabledBank();"><option value="0" selected="selected" disabled>== Select Netbanking ==</option>'+ nbbanks +   '</select>';}																						
	if(document.form1.choice[2].checked){document.getElementById("bank_sel").innerHTML='<div><input type="hidden" name="bank_id" value="HD4">UPI - Unified Payment Interface</div><!--<select name="bank_id" class="drpDown" style="width:200px;" onchange="validatedDisabledBank();"><option value="HD4" selected="selected" disabled >UPI - Unified Payment Interface</option></select>-->';}
}