function checkform() {

	fm = document.frmCredit;

	var error = 0;
	var error_message = "Please make the following corrections:\n\n";

	var at= fm.txEmail.value.indexOf("@");
	var dot= fm.txEmail.value.indexOf(".");

	if (fm.txFirstname.value == '') {
			error_message = error_message + "* Please enter your First name.\n";
			error = 1;
	}
	if (fm.txLastname.value == '') {
			error_message = error_message + "* Please enter your Last name.\n";
			error = 1;
	}
	if (fm.txDesignation.value == '') {
			error_message = error_message + "* Please enter your Designation.\n";
			error = 1;
	}
	if (fm.txEmail.value == '') {
			error_message = error_message + "* Please enter your Email.\n";
			error = 1;
	} else {
			if (at == -1 || dot == -1) {
					error_message = error_message + "* Please enter a valid Email.\n";
					error = 1;
			}
	}
	if (fm.txMobile.value == '') {
			error_message = error_message + "* Please enter your Mobile no.\n";
			error = 1;
	}
	
	if (error == 1) {
			alert(error_message);
			return false;
	} else {
			return true;
	}
}


function validateFields() {
	fm = document.frmCashier;

	var error = 0;
	var error_message = "Please make the following corrections:\n\n";

	var at= fm.txEmail.value.indexOf("@");
	var dot= fm.txEmail.value.indexOf(".");

	if (fm.txName.value == '') {
			error_message = error_message + "* Please enter your Name.\n";
			error = 1;
	}	
	if (fm.txEmail.value == '') {
			error_message = error_message + "* Please enter your Email.\n";
			error = 1;
	} else {
			if (at == -1 || dot == -1) {
					error_message = error_message + "* Please enter a valid Email.\n";
					error = 1;
			}
	}
	if (fm.txTel.value == '') {
			error_message = error_message + "* Please enter a Tel. no.\n";
			error = 1;
	}
	if (fm.txPax.value == '') {
			error_message = error_message + "* Please enter No. of pax.\n";
			error = 1;
	}	
	if (error == 1) {
		alert(error_message);			
	} else {
		getInputRows();
	}

}


function validateContact() {
	fm = document.frmContact;

	var error = 0;
	var error_message = "Please make the following corrections:\n\n";

	var at= fm.txEmail.value.indexOf("@");
	var dot= fm.txEmail.value.indexOf(".");

	if (fm.txName.value == '') {
			error_message = error_message + "* Please enter your Name.\n";
			error = 1;
	}
	
	if (fm.txEmail.value == '') {
			error_message = error_message + "* Please enter your Email.\n";
			error = 1;
	} else {
			if (at == -1 || dot == -1) {
					error_message = error_message + "* Please enter a valid Email.\n";
					error = 1;
			}
	}
	if (fm.txPhone.value == '') {
			error_message = error_message + "* Please enter your Phone no.\n";
			error = 1;
	}
	
	if (error == 1) {
			alert(error_message);
			return false;
	} else {
			return true;
	}
}