You can call the ASP.NET control from Javascript using the document.getElementById method. Ex: Let txtEmployeeName be a Textbox, then var tEmp = document.getElementById('<%=txtEmployeeName.ClientID%>');
Microsoft SharePoint Team Blog has announced SharePoint 2010 Technical Preview today. What is SharePoint 2010 ? Definition by Microsoft is "SharePoint 2010 is the business collaboration platform for the Enterprise & the Web that enables you to connect & empower people through an integrated set of rich features."