function pwdValidation()
{
alert("called");
var np=document.getElementById("ct100_ContentPlaceHolder1_txtPwd").value;
alert(np);
var cp=document.getElementById("ct100_ContentPlaceHolder1_txtConfirmPwd").value;
if(np!="")
{
if(np.length>=5 && np.length<=10)
{
if(cp!="")
{
if(np==cp)
{
alert("pwd.Confirmed");
}
else
{
alert("pwd not match");
}
}
else 
{
alert("Password field is empty");
}
}
else
{
alert("pwd between 5 to 10");
}
}
else
{
alert("user name is empty");
}
}