function validatejoinusjava(formobj)
{
  		if (emptyField(formobj.joinusemail)) 
		{
			alert("Please enter your Email.");
			formobj.joinusemail.focus();
			return (false);
		}
		
		

	var inem1,inem2,lenem1,l,l1,lenem2,lensp,lechar;
	inem1 = formobj.joinusemail.value.length;
	l = formobj.joinusemail.value;
	l1 = l.lastIndexOf('.');
	lenem1 = l.lastIndexOf('@');
	lenem2 = l.indexOf('@');
	lensp = l.indexOf(' ');
	lechar = l.charAt(lenem1 + 1);
	if(lechar == '.')
	{
		alert("Please Enter Valid Email ID");
		formobj.joinusemail.focus();
		return (false);
	}
	if((lenem1 + 1) == l1 || (l1 + 1) == inem1 || lenem1 > l1 || lenem2 != lenem1 || lensp != -1 || lenem1 == 0)
	{
		alert("Please Enter Valid Email ID");
		formobj.joinusemail.focus();
		return (false);
	}
	
	if(formobj.joinusemail.value.indexOf('@') == -1 || formobj.joinusemail.value.indexOf('.')== -1)
	{
	alert("Please Enter Valid Email id ");
	formobj.joinusemail.focus();
	return (false);
	}
		
		var winobj = window.open("","newwin","width=300,height=80,top=0,left=0");
		winobj.focus();


 return true;
}