function check_empty()
	{
		var str_email = document.frm.email.value;
	
		var check_email = str_email.indexOf("@");
	
		if(document.frm.title.value=='')
		{
			alert('Please enter a title');
			document.frm.title.focus();
			return false
		}
		else if(document.frm.surname.value=='')
		{
			alert('Please enter your surname');
			document.frm.surname.focus();
			return false
		}
		else if(document.frm.firstname.value=='')
		{
			alert('Please enter your christian name');
			document.frm. line .focus();
			return false
		}
		else if(document.frm.datefrom.value=='')
		{
			alert('Please enter a preferred date from');
			document.frm.datefrom.focus();
			return false
		}
		else if(document.frm.dateto.value=='')
		{
			alert('Please enter a preferred date to');
			document.frm.dateto.focus();
			return false
		}
		else if(document.frm.hotel.value=='')
		{
			alert('Please enter a hotel name');
			document.frm.hotel.focus();
			return false
		}
		else if(document.frm.numadults.value=='')
		{
			alert('Please enter the number of adults');
			document.frm.numadults.focus();
			return false
		}
		else if(document.frm.numchildren.value=='')
		{
			alert('Please enter the number of children');
			document.frm.numchildren.focus();
			return false
		}
		else if(document.frm.numinfants.value=='')
		{
			alert('Please enter the number of infants');
			document.frm.numinfants.focus();
			return false
		}
		else if(document.frm.surname.value=='')
		{
			alert('Please enter your surname');
			document.frm.surname.focus();
			return false
		}
		else if(document.frm.surname.value=='')
		{
			alert('Please enter your surname');
			document.frm.surname.focus();
			return false
		}
		else if(check_email == -1)
		{
			alert( "Your email appears to be invalid" );
			document.frm.email.focus();
			return false ;
		
		}
		else if(document.frm.telephone.value=='')
		{
			alert('Please enter your telephone number');
			document.frm.telephone.focus();
			return false
		}
			return true
	}
	
	
	function clear(objSelect){

     for (var i = (objSelect.options.length-1); i >= 0; i--){
         objSelect.options[i]=null;
     }
     //objSelect.options[0]=new Option('Please select', '');
	}