function check_promocode() {
	
	var promocode = $('promocode').value;
    	if(promocode==""){
        	alert("Invalid promocode!");
            return false;
        }
		if(promocode != ''){
			
		var url = 'http://getflynow.com//ajax/Promocode/check_promocode.php';
	
		new Ajax.Request(url, {	parameters:	{	promocode: promocode							
							},
							onCreate: function(transport) {								
						
							},
							onSuccess:	function(transport) {   
							
		                                          if(transport.responseText!= 01){
		                                          	 			
								 result = transport.responseText.split('~');								 							 
								 $('promo_info').style.display = "block"; 								                     
								 $('promo_discount').innerHTML = result[0]+" "+result[1];
								 if(result[2] != '01'){								 										 		
								 		$('credit_info_req').value = 'true';
								 	$('credit_card_info').style.display = "block";
								 	$('member_type').style.display = "block";
									}
								 else{
								 	$('credit_info_req').value = 'false';								 		
								 		$('credit_card_info').style.display = "none";
								 		$('member_type').style.display = "none";
								 	
								 }
								}
							else{
								$('promo_info').style.display = "none";	
								$('credit_card_info').style.display = "block";
								$('promo_discount').innerHTML = "";								
								$('credit_info_req').value = 'true';									
								alert("Invalid promocode");
							}
							},
							onFailure: function(transport) {						
							
								
							}
						}
					);
				
				
		}
		else{
			$('credit_info_req').value = 'true';
			$('credit_card_info').style.display = "block";
			$('member_type').style.display = "block";	
		}
	}