function valid()
{
	if(document.jmail.signup[email].value == '')
	{
		alert('Please enter the Email');
		document.jmail.signup[email].focus();
		return false;
	}
	
	if(document.jmail.signup[city].value == '')
	{
		alert('Please enter the City');
		document.jmail.signup[city].focus();
		return false;
	}
	
	if(document.jmail.signup[phone].value == '')
	{
		alert('Please enter the Phone');
		document.jmail.signup[phone].focus();
		return false;
	}
	
	
	
	

	return true;
}

function validEmail()
{
	if (document.jmail.email.value != "")
	{
		var str=document.jmail.email.value 
		var filter=/^[_A-z0-9-]+((\.|\+)[_A-z0-9-]+)*@[A-z0-9-]+(\.[A-z0-9-]+)*(\.[A-z]{2,4})$/
		if (filter.test(str))
			testresults=true; 
		else 
		{ 
			alert("Please enter valid email address!") ;
			document.jmail.email.value = "";
			document.jmail.email.focus();
			testresults=false; 
	   }
		   return (testresults);
	 }
	 
}