function validate()
{
if(document.all('name').value=="")
{
alert("Please Enter your name");
return false;
}
if(document.all('email').value=="")
{
alert('Please Enter Email Id');
return false;
}	
if(document.all('tel').value=="")
{
alert('Please Enter Telephone No');
return false;
}	
if(document.all('email').value.search("@") == -1 || document.all('email').value.search("[.*]") == -1)
	{ 
		alert( "Email Id is not correct");
		return false;
	} 
}