function  IsEmpty() 
{
	if (document.form1.TextBox4.value=="")
	{
	alert("Enter Name");
	document.form1.TextBox4.focus();
	      	return false;
   	}
   	else if (document.form1.TextBox6.value=="")
	{
	alert("Enter E-mail");
	document.form1.TextBox6.focus();
	
      	return false;
   	}
   	else if (document.form1.TextBox6.value=="")
	{
	alert("Enter Confirm E-mail");
	document.form1.TextBox6.focus();
	
      	return false;
   	}
   	else if (document.form1.TextBox6.value!=document.form1.TextBox8.value)
	{
	alert("Invalid Confirm E-mail");
	document.form1.TextBox8.focus();
	
      	return false;
   	}
   	else if (document.form1.TextBox10.value=="")
	{
	alert("Enter Password");
	document.form1.TextBox10.focus();
	
      	return false;
   	}
    else if(document.form1.TextBox9.value=="")
    {
    document.form1.TextBox9.focus();
    alert("Enter Mobile No.");
    return false;
    }
    
   	 else if(document.form1.TextBox6.value!="")
   	{
   	     
    	
   		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.form1.TextBox6.value)){
return (true)
}
else
{
alert("Your E-mail Address is Invalid! Please re-enter.")
document.form1.TextBox6.focus();
return (false)
}
}

    
}