function isEmailValid(sEmail) 
{
	if (sEmail.value == '' || sEmail.indexOf('.') == 0 || sEmail.indexOf('.') == -1 || sEmail.indexOf('@') == 0 || sEmail.indexOf('@') == -1 || sEmail.indexOf('.') == sEmail.length - 1 || sEmail.indexOf(',') >= 0) {
		return false;
	} else {
		return true;
	}
}
 function passvalidate(con_frm)
 {
	if ((con_frm.name.value) == "")
	{
		alert("Please enter your name.")
		con_frm.name.focus();
		return false;			
	}
	if ((con_frm.email.value) == "")
	{
		alert("Please enter your Email address.")
		con_frm.email.focus();
		return false;			
	}
	if (!(isEmailValid(con_frm.email.value)))
	{
		alert("Please enter a valid  email_id.")
		con_frm.email.focus();
		return false;			
	}
	if ((con_frm.phone.value) == "")
	{
		alert("Please enter your phone no.")
		con_frm.phone.focus();
		return false;			
	}
	if ((con_frm.website.value) == "")
	{
		alert("Please enter your website.")
		con_frm.website.focus();
		return false;			
	}
	if ((con_frm.comments.value) == "")
	{
		alert("Please enter your comments.")
		con_frm.comments.focus();
		return false;			
	}
	
	
	return true;
}