Jquery Model dialogbox in asp.Net

Question

 I am trying to open jquery popup box in asp.net
i have four pages in array
------------------------------------

i.e.
var i=0;

var forms;
this.aForms = new Array("Page1.asp",

                         "Page2.asp",

                         "Page3.asp",

                         "Page4.asp");   


and open dialog code
----------------------


var url = form ;
$.showModalDialog({
url: url,
dialogArguments: window,
height: 470,
width: 400,
scrollable: false,
onClose: function () {
var returnedValue = this.returnValue;}
});



while ((Btnstat =="next"))
{
objWizard.showDialog();

form = this.aForms[i];
i++
}

 
and i next button on popup window and i am setting value of Btnstat variable= next and at the end finish

when i am running the code the dailog is not opening until loop fineshes its process and at the end only one page get display

so how can i display my first page in popup and click of next button another page should display in popup

Plz help me....