I am running my asp.net application on the IE. I am using window.showModalDialog method to open popup window. It is working fine. But now I need to run my application on the ipad safari. But showModalDialog() method was not working in safari Browser in Ipad,so I am using window.open() function.But functionality of showModalDialog() has been lost. Please guide me that how can I open popup in ipad safari. My application is very big. so solution should be quick and fast. I cannot make heavy changes in my application.