function checkForm(){
	if(document.del_reg.fname.value==""){
		alert("please enter first name");
		document.del_reg.fname.focus();
		return false;
	}

	if(document.del_reg.surname.value==""){
		alert("please enter surname");
		document.del_reg.surname.focus();
		return false;
	}

	if(document.del_reg.organisation.value==""){
		alert("please enter organisation name");
		document.del_reg.organisation.focus();
		return false;
	}

	if(document.del_reg.job_title.value==""){
		alert("please enter job title");
		document.del_reg.job_title.focus();
		return false;
	}

	if(document.del_reg.busisness_address.value==""){
		alert("please enter busisness address");
		document.del_reg.busisness_address.focus();
		return false;
	}

	if(document.del_reg.city.value==""){
		alert("please enter city");
		document.del_reg.city.focus();
		return false;
	}

	if(document.del_reg.pin.value==""){
		alert("please enter pin code");
		document.del_reg.pin.focus();
		return false;
	}
	else{
		if(isNaN(document.del_reg.pin.value)){
			alert("please enter valid pin code");
			document.del_reg.pin.focus();
			return false;
		}
	}

	if(document.del_reg.country.value==""){
		alert("please enter country name");
		document.del_reg.country.focus();
		return false;
	}

	if(document.del_reg.direct_phone.value==""){
		alert("please enter direct phone");
		document.del_reg.direct_phone.focus();
		return false;
	}
	else{
		if(isNaN(document.del_reg.direct_phone.value)){
			alert("please enter valid phone");
			document.del_reg.direct_phone.focus();
			return false;
		}
	}

	if(document.del_reg.fax.value==""){
		alert("please enter fax");
		document.del_reg.fax.focus();
		return false;
	}
	else{
		if(isNaN(document.del_reg.fax.value)){
			alert("please enter fax");
			document.del_reg.fax.focus();
			return false;
		}
	}

	if(document.del_reg.office_phone.value==""){
		alert("please enter office phone");
		document.del_reg.office_phone.focus();
		return false;
	}
	else{
		if(isNaN(document.del_reg.office_phone.value)){
			alert("please enter office phone");
			document.del_reg.office_phone.focus();
			return false;
		}
	}

	if(document.del_reg.email.value==""){
		alert("Please enter email id");
		document.del_reg.email.focus();
		return false;
	}
	else{
		var email=document.del_reg.email.value;
		if (echeck(email)==false)
		{
			document.del_reg.email.focus();
			return false;
		}
	}
	
	
	if(!calAmountChk()){
		return false;
	}
	
	calAmount();
	
	
	/***********************************************************/
	
	/*
	var type;

	for(var i=0; i<document.del_reg.pay_type.length; i++){
		if(document.del_reg.pay_type[i].checked){
			type=document.del_reg.pay_type[i].value;
		}
	}

	*/
	/***********************************************************/

	/*if(type=="cheque"){
		if(document.del_reg.cheque_no.value==""){
			alert("please enter cheque no");
			document.del_reg.cheque_no.focus();
			return false;
		}

		if(document.del_reg.bank_name.value==""){
			alert("please enter bank name");
			document.del_reg.bank_name.focus();
			return false;
		}

		if(document.del_reg.on_date.value==""){
			alert("please enter date");
			document.del_reg.on_date.focus();
			return false;
		}
	}*/

	showDay();
	
	
}


function calAmount(){
	var amt;
	var chk=0;
	var date_hyd="";
	var date_cal="";
	if(document.del_reg.loc.value=="hyd"){
		var len = document.del_reg.days_hyd.options.length;
		
		if(document.del_reg.days_hyd.value=="all"){
			var amt=15000;
			chk++;
			date_hyd="All";
		}
		else{
			var List=document.del_reg.days_hyd;
			var j=0;
			for (var i=(len-1);i>=0 ;i-- )
			{
				if (List.options[i].selected == true)
				{
					j=j+1;
					if(date_hyd==""){
						date_hyd =List.options[i].value;
					}
					else{
						date_hyd +=","+List.options[i].value;
					}
				}
			}
			
			if(j==4){
				var amt=15000;
				chk++;
			}
			else{
				if(j >=2){
					var amt=(5000*j);
					var amt2=(((5000*j)*20)/100);
					var amt=amt-amt2;
					chk++;
				}
				else{
					if(j>0){
						var amt=(5000*j);
						chk++;
					}
				}
			}
		}
	}
	else{
		if(document.del_reg.loc.value=="cal"){
			var len = document.del_reg.days_cal.options.length;
			if(document.del_reg.days_cal.value=="all"){
				var amt=10000;
				chk++;
				date_cal="All";
			}
			else{
				var List=document.del_reg.days_cal;
				var j=0;
				for (var i=(len-1);i>=0 ;i-- )
				{
					if (List.options[i].selected == true)
					{
						j=j+1;

						if(date_cal==""){
							date_cal =List.options[i].value;
						}
						else{
							date_cal +=","+List.options[i].value;
						}
					}
				}
				
				if(j==3){
					var amt=10000;
					chk++;
				}
				else{
					if(j==2){
						var amt2=(((4000*j)*20)/100);
						var amt=8000-amt2;
						chk++;
					}
					else{
						if(j>0){
							var amt=(4000*j);
							chk++;
						}
					}
				}
			}
		}
		else{
			if(document.del_reg.loc.value=="both"){
				var amt=0;
				if(document.del_reg.days_hyd.value=="all"){
					var amt=amt+15000;
					chk++;
					date_hyd="All";
				}
				else{
					var len = document.del_reg.days_hyd.options.length;
					var List=document.del_reg.days_hyd;
					var j=0;
					for (var i=(len-1);i>=0 ;i-- )
					{
						if (List.options[i].selected == true)
						{
							j=j+1;
							if(date_hyd==""){
								date_hyd =List.options[i].value;
							}
							else{
								date_hyd +=","+List.options[i].value;
							}
						}
					}
					

					if(j==4){
						var amt=amt+15000;
						chk++;
					}
					else{
						var amt1=(5000*j);
						if(j >=2){
							var amt2=((amt1*20)/100);
							var amt3=amt1-amt2;
							var amt=amt+amt3;
							chk++;
						}
						else{
							if(j>0){
								var amt=amt+amt1;
								chk++;
							}
						}
					}
				}

				if(document.del_reg.days_cal.value=="all"){
					var amt=amt+10000;
					date_cal="All";
				}
				else{
					var len = document.del_reg.days_cal.options.length;
					var List=document.del_reg.days_cal;
					var j=0;
					for (var i=(len-1);i>=0 ;i-- )
					{
						if (List.options[i].selected == true)
						{
							j=j+1;
							if(date_cal==""){
								date_cal =List.options[i].value;
							}
							else{
								date_cal +=","+List.options[i].value;
							}
						}
					}
					
					if(j==3){
						var amt=amt+10000;
						chk++;
					}
					else{
						var amt1=(4000*j);
						
						if(j==2){
							var amt2=((amt1*20)/100);
							var amt3=amt1-amt2;
							var amt=amt+amt3;
							chk++;
						}
						else{
							if(j>0){
								var amt=amt+amt1;
								chk++;
							}
						}
					}
				}
			}
		}

	}
	
	if(document.del_reg.satcom.checked==true && chk > 0){
		amt=amt+8000;
	}
	else{
		if(chk==0){
			document.del_reg.satcom.checked=false;
			alert("Please select hyderabad or calcutta or both");
			return false;
		}
	}
	

	if(amt!=""){
		document.del_reg.date_cal.value=date_cal;
		document.del_reg.date_hyd.value=date_hyd;
		//document.del_reg.cash_amt.value=amt;
		//document.del_reg.amount.value=amt;
		document.del_reg.card_amount.value=amt;
	}
}

function showDay1(){
	var amt="";
	
	/**************DE_SELECT ALL SELECT OPTION***************/
	var len = document.del_reg.days_hyd.options.length;
	var List=document.del_reg.days_hyd;
	var j=0;
	for (var i=(len-1);i>=0 ;i-- )
	{
		List.options[i].selected = false;
	}

	var len = document.del_reg.days_cal.options.length;
	var List=document.del_reg.days_cal;
	var j=0;
	for (var i=(len-1);i>=0 ;i-- )
	{
		List.options[i].selected = false;
	}
	/**********************************************************/
	document.del_reg.satcom.checked=false;
	//document.del_reg.cash_amt.value=amt;
	//document.del_reg.amount.value=amt;
	document.del_reg.card_amount.value=amt;
	showDay();
}

function showDay(){
	//if(document.del_reg.reg_for.value=="single"){
	if(document.del_reg.loc.value=="hyd"){
		document.del_reg.days_hyd.disabled=false;
		document.del_reg.days_cal.disabled=true;
	}
	else{
		if(document.del_reg.loc.value=="cal"){
			document.del_reg.days_cal.disabled=false;
			document.del_reg.days_hyd.disabled=true;
		}
		else{
			if(document.del_reg.loc.value=="both"){
				document.del_reg.days_hyd.disabled=false;
				document.del_reg.days_cal.disabled=false;
			}
		}
	}
	/*}
	else{
		document.del_reg.days_hyd.disabled=true;
		document.del_reg.days_cal.disabled=true;
	}*/

	//calAmount();
}




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 calAmountChk(){
	var amt;
	var chk=0;

	if(document.del_reg.loc.value=="hyd"){
		var len = document.del_reg.days_hyd.options.length;
		
		if(document.del_reg.days_hyd.value=="all"){
			var amt=15000;
			chk++;
		}
		else{
			var List=document.del_reg.days_hyd;
			var j=0;
			for (var i=(len-1);i>=0 ;i-- )
			{
				if (List.options[i].selected == true)
				{
					j=j+1;
				}
			}
			
			if(j==4){
				var amt=15000;
				chk++;
			}
			else{
				if(j >=2){
					var amt=(5000*j);
					var amt2=(((5000*j)*20)/100);
					var amt=amt-amt2;
					chk++;
				}
				else{
					if(j>0){
						var amt=(5000*j);
						chk++;
					}
				}
			}
		}
	}
	else{
		if(document.del_reg.loc.value=="cal"){
			var len = document.del_reg.days_cal.options.length;
			if(document.del_reg.days_cal.value=="all"){
				var amt=10000;
				chk++;
			}
			else{
				var List=document.del_reg.days_cal;
				var j=0;
				for (var i=(len-1);i>=0 ;i-- )
				{
					if (List.options[i].selected == true)
					{
						j=j+1;
					}
				}
				
				if(j==3){
					var amt=10000;
					chk++;
				}
				else{
					if(j==2){
						var amt2=(((4000*j)*20)/100);
						var amt=8000-amt2;
						chk++;
					}
					else{
						if(j>0){
							var amt=(4000*j);
							chk++;
						}
					}
				}
			}
		}
		else{
			if(document.del_reg.loc.value=="both"){
				var amt=0;
				if(document.del_reg.days_hyd.value=="all"){
					var amt=amt+15000;
					chk++;
				}
				else{
					var len = document.del_reg.days_hyd.options.length;
					var List=document.del_reg.days_hyd;
					var j=0;
					for (var i=(len-1);i>=0 ;i-- )
					{
						if (List.options[i].selected == true)
						{
							j=j+1;
						}
					}
					

					if(j==4){
						var amt=amt+15000;
						chk++;
					}
					else{
						var amt1=(5000*j);
						if(j >=2){
							var amt2=((amt1*20)/100);
							var amt3=amt1-amt2;
							var amt=amt+amt3;
							chk++;
						}
						else{
							if(j>0){
								var amt=amt+amt1;
								chk++;
							}
						}
					}
				}

				if(document.del_reg.days_cal.value=="all"){
					var amt=amt+10000;
				}
				else{
					var len = document.del_reg.days_cal.options.length;
					var List=document.del_reg.days_cal;
					var j=0;
					for (var i=(len-1);i>=0 ;i-- )
					{
						if (List.options[i].selected == true)
						{
							j=j+1;
						}
					}
					
					if(j==3){
						chk++;
					}
					else{
						
						if(j==2){
							chk++;
						}
						else{
							if(j>0){
								chk++;
							}
						}
					}
				}
			}
		}

	}
	
	if(document.del_reg.satcom.checked==true && chk > 0){
		return true;
	}
	else{
		if(chk==0){
			document.del_reg.satcom.checked=false;
			alert("Please select hyderabad or calcutta or both");
			return false;
		}
		return true;
	}

}