salesforce custom button

Question

I have Custom button name as "Create reservation" where i execute javascript. Which is on "Property Object" When custom picklist field value equals to "Available" then it should redirect to another page otherwise no action perform from "Create reservation" button. How to do it? actually m newbie in salesforce. Here my OnClick JavaScript-

window.open('/apex/Create_Reservation?kk={!Property__c.Id}','_blank');    

Answer 1

you can check the value in javascript. Something like

If('{!custom_picklist}' == 'Available')
    window.open('/apex/Create_Reservation?kk={!Property__c.Id}','_blank'); 

try this. it will solve your problem.

Answer 2

It's Working-

{!REQUIRESCRIPT("/apex/Create_Reservation")}

var prop = "Available";
var propStage= '{!Property__c.Status__c}';
if (propStage!=prop)
{
alert("Please note - You can only create a reservation on available property.");
}
else {

window.open('/apex/Create_Reservation?kk={!Property__c.Id}','_blank');
}