function validate()
                 {
                           var name = trim(document.getElementById("fname").value);
                           var aemail = document.getElementById("email").value;
						   var comments = document.getElementById("comments");	
						   var captcha = document.getElementById("captcha");
						   var regex1 = /^[0-9a-zA-Z._]+@[a-zA-Z_]+?\.[a-zA-Z]{2,6}$/;
						   var newHTML = "";
						   
						  
						   if(name.length == 0)
                            {
                               alert("Please specify your name.");
							   return false;	
                            }
                           
							if(!regex1.test(aemail))
		                     {
                                alert("Please provide a valid email address.");
								return false;
		                    }

							//document.getElementById('comments_box').innerHTML = "";
						   	
						    if(comments.value == "")
                              {
                                alert("C'mon...Write something on the wall!!");
								return false;
                            }

							//document.getElementById('comments_box').innerHTML = "";
                            if(comments.value.length > 1024)
                             {
                                alert("Oops!! Message limit of 1024 characters exceeded!");
								return false;
                              }
                              
							//document.getElementById('captcha_box').innerHTML = "";	
							if(captcha.value == "")
                             {
                                alert("Please enter the code in order to post your message");
								return false;
                            }  
							
                           return true;

             }
			 
			 function trim(sString) {
				while (sString.substring(0,1) == ' ')
				{
					sString = sString.substring(1, sString.length);
				}
	 
				while (sString.substring(sString.length-1, sString.length) == ' ')
				{
					sString = sString.substring(0,sString.length-1);
				}
				return sString;
			}