function doBind(requrl, Callback, form, methodtype)
{
	dojo.io.bind({
					url: requrl,
					method: methodtype,
					handler: Callback,
					formNode: form,
					encoding: "utf-8",
					error: function(type, error){ alert("error"); },
					timeoutSeconds: 40,
					timeout: function(type, data, evt){ alert("Time Out"); },
					backButton: function() { alert("back button pressed"); },
					forwardButton: function() { alert("forward button pressed"); },
					MimeType: "text/plan"
				});	
						
}