function loginjq() {
			var username = $("#username").val(); 
			var password = $("#password").val(); 
			var password = $("#previd").val(); 
			
		
			if((username != '') && (password != '')){
				$.post("logger_jQ.php", {username:username, password:password, previd:previd}, function(data){

					if(data!=''){
						alert(data);
						return false;
					}else{
						$("#LoginPannel").hide();
						$("#SendPrev").show();
					}
			});
	
			}
}